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Sonos Inc patents


Recent patent applications related to Sonos Inc. Sonos Inc is listed as an Agent/Assignee. Note: Sonos Inc may have other listings under different names/spellings. We're not affiliated with Sonos Inc, we're just tracking patents.

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Spectral correction using spatial calibration

Example techniques may involve performing aspects of a spectral calibration using an applied spatial calibration. An example implementation may include receiving data representing spatial filters that correspond to respective playback configurations. ... Sonos Inc

Concurrent multi-loudspeaker calibration

Examples involve calibration of a synchronous playback group. In an example implementation, a first playback device forms a synchronous playback group with a second playback device. ... Sonos Inc

Playback device calibration

Examples described herein involve calibration of a microphone. In an example implementation, while a network device is positioned within a predetermined physical range of a microphone of a playback device, the network device detects, via a microphone of, a first audio signal. ... Sonos Inc

Ultrasound system for imaging and protecting ophthalmic or other sensitive tissues

An ultrasound imaging system includes a processor programmed to identify the type of tissue being imaged and to confirm that one or more system settings and/or the energy of ultrasound imaging signals delivered is set appropriately for such tissue. In one embodiment, an image obtained with the ultrasound imaging system is analyzed to determine if the tissue is ophthalmic (eye) tissue. ... Sonos Inc

System limits based on known triggers

In an example implementation, a method may involve, while a first zone and a second zone of a media playback system are playing back respective media, receiving data indicating the occurrence of a first trigger condition. The method may also involve, based on the received data, modifying respective volume limits of the first zone and the second zone, wherein modifying the volume limit causes first volume levels that exceed the second limit to be reduced to respective second volume levels that are at or below the second limit. ... Sonos Inc

Portable playback device state variable

Systems, methods, apparatus, and articles of manufacture to facilitate playback of multimedia content are disclosed. An example apparatus includes a network interface configured to receive audio content over a playback network. ... Sonos Inc

Configuring a new playback device for a bonded zone

Systems, methods, apparatus, and articles of manufacture to facilitate configuration and naming of a multimedia playback device on a local playback network are disclosed. An example method includes identifying and analyzing local network topology to identify playback device(s) connected to the network at location(s). ... Sonos Inc

Method and apparatus for visualizing a medical instrument under ultrasound guidance

Systems and methods of facilitating the viewing of interventional instruments (e.g., needles, catheters, guidewires, vascular filters, biopsy probes) are disclosed herein. In one embodiment, a portable, handheld or cart-based ultrasound imaging machine is connected to an external laser light source that transmits laser light to a tip of an interventional instrument via one or more optical fibers. ... Sonos Inc

Laser light source for instrument tip visualization

A laser light source transmits laser light to a tip of an interventional instrument such as a needle via an optical fiber. The laser light is absorbed at the distal tip of the instrument and generates a photoacoustic signal. ... Sonos Inc

Lifetime of an audio playback device with changed signal processing settings

A first lifetime estimate is determined for a first acoustic component of a first audio playback device configured with first signal processing settings. A second audio playback device is configured with second signal processing settings. ... Sonos Inc

Dynamic bonding of playback devices

Examples of dynamic bonding of playback devices are disclosed. A disclosed example first playback device includes a shared device identifier to determine that a second playback device is sharable between a first bonded zone and a second bonded zone, the first bonded zone comprising the first playback device, the second bonded zone comprising a second playback device; a device manager to cause the shared playback device to join the first bonded zone; and an adjuster to change a first audio parameter of the first playback device in accordance with the joining of the shared playback device in the first bonded zone, wherein at least one of the shared device identifier, the device manager, or the adjuster is implemented via a processor.. ... Sonos Inc

Audio settings of multiple speakers in a playback device

Techniques described herein may involve dynamically adjusting the equalization of multiple speakers in a playback device. An example implementation involves a playback device emitting, via a first speaker, a first audio signal and emitting, via a second speaker, a second audio signal. ... Sonos Inc

Sharing access to a media service

Examples provided herein are directed to a computing device and media playback system sharing access to a media service corresponding to a media application installed on the computing device. In one example, a media playback system may be configured to (i) receive from the computing device an authorization code that corresponds to a media application installed on the computing device that is authorized to access media from a media service, (ii) transmit to the media service an authorization request with the authorization code, (iii) receive from the media service an authorization token that facilitates obtaining media from the media service, and (iv) transmit to the media service a request for media for playback by the media playback system, where the request for media includes the authorization token.. ... Sonos Inc

Wireless probe type ultrasound scanner machine

The present invention proposes a wireless probe type ultrasound scanner which comprises a housing, a housing cover, a transducer, a mainboard, a battery compartment, a battery and a backplane; the housing is matched and connected with the housing cover; the mainboard, the battery compartment, the battery and the backplane are arranged in a cavity body formed by the housing and the housing cover; the mainboard and the transducer are welded together; the mainboard is communicated with the transducer; the mainboard, the battery compartment, the backplane and the battery are laminated in order, wherein the battery is clamped on the battery compartment, a setting hole arranged on the end part of the transducer in a way of penetrating through the housing cover is clamped with the housing cover, and a bluetooth and a power switch are arranged on the mainboard.. . ... Sonos Inc

05/17/18 / #20180136901

Playback device calibration based on representative spectral characteristics

A computing device may maintain a database of representative spectral characteristics. The computing device may also receive particular spectral data associated with a particular playback environment corresponding to the particular playback device. ... Sonos Inc

05/10/18 / #20180125453

Ultrasound probe and aligned needle guide system

A side-fire ultrasonic probe includes an alignment feature that, when used to connect the probe with a needle guide for intra-cavity medical procedures, enables alignment of a needle in an imaging plane of an ultrasonic transducer. The alignment feature is configured such that alignment of the needle within the imaging plane is accomplished when a protective sheath is disposed between the alignment feature and the needle guide. ... Sonos Inc

05/10/18 / #20180125448

Ultrasound system for enhanced instrument visualization

An ultrasound imaging system includes a processor programmed to generate an anatomy image and a number of needle frames at different transmit beam angles. The system analyzes the data in the needle frames and selects segments therein that are identified as likely representing an interventional instrument. ... Sonos Inc

05/03/18 / #20180124535

Updating playback device configuration information based on calibration data

A computing device may transmit playback device configuration information to a given playback device. The computing device may then receive calibration data corresponding to each playback device of a plurality of playback devices, and receive playback device characteristic data indicating at least one playback device characteristic for each playback device of the plurality of playback devices. ... Sonos Inc

04/19/18 / #20180108351

Arbitration-based voice recognition

A first voice input is detected and a first measure of confidence associated with the first voice input is determined. A message is received comprising a second measure of confidence associated with detection of the first voice input by a network device. ... Sonos Inc

04/19/18 / #20180107446

Room association based on name

Systems and methods for use in a media playback system comprising one or more playback devices are disclosed, where a playback device has a corresponding first set of device attributes used by a first controller application. The methods include: (i) identifying a second set of device attributes used by a second controller application to control the playback device, (ii) selecting a second device attribute for the playback device from the second set of device attributes based at least in part on a first device attribute; (iii) storing the selected second device attribute in the first set of device attributes; and (iv) controlling at least one function of the playback device using the selected second device attribute.. ... Sonos Inc

04/12/18 / #20180103313

Controlled passive radiator

Example techniques may involve controlling a passive radiator. An implementation may include a device buffering successive samples of audio content. ... Sonos Inc

04/12/18 / #20180099788

Packaging system with slidable latch

Implementations herein may involve a packaging system including a first box part including a plurality of lid walls, where a first lid wall comprises an aperture and a latch slidably disposed within the aperture. The packaging system may also include a second box part having a plurality of tray walls, where a first tray wall comprises a channel sized to slidably receive the latch. ... Sonos Inc

04/05/18 / #20180098168

Seamlessly joining sides of a speaker enclosure

A method for joining sides of a speaker enclosure while minimizing the appearance of a seam in the joint includes affixing a speaker grill element to a substructure element, where the speaker grill element has a depth dimension that is shorter than its length and width dimensions, includes a first surface and a second surface that are substantially parallel to each other, and includes hole openings between the first surface and the second surface, where the substructure element has a depth dimension that is shorter than its length and width dimensions, includes protrusions above its front surface, and includes openings that are larger than the hole openings in the speaker grill element, and where the speaker grill element is aligned lengthwise to a first plane, inserting the joined speaker grill element and substructure element into a mould, where in combination with portions of the speaker grill element and the substructure element, a surface of the mould forms a mould cavity for injection moulding a side element, and injecting molten plastic into the mould cavity to form an injection moulded side element.. . ... Sonos Inc

04/05/18 / #20180098167

Multi-orientation playback device microphones

Aspects of a multi-orientation playback device including at least one microphone array are discussed. A method may include determining an orientation of the playback device which includes at least one microphone array and determining at least one microphone training response for the playback device from a plurality of microphone training responses based on the orientation of the playback device. ... Sonos Inc

04/05/18 / #20180098140

Speaker grill with graduated hole sizing over a transition area for a media device

A grill cover that fits over or is positioned over high frequency acoustical regions and low frequency acoustical regions of a playback device. A portion of the grill cover that fits over or is positioned over a high frequency acoustical region has small area openings and a portion of the grill over a low frequency acoustical region has large area openings. ... Sonos Inc

03/29/18 / #20180091913

Audio playback settings for voice interaction

Example techniques relate to voice interaction in an environment with a media playback system that is playing back audio content. In an example implementation, while playing back first audio in a given environment at a given loudness: a playback device (a) detects that an event is anticipated in the given environment, the event involving playback of second audio and (b) determines a loudness of background noise in the given environment, the background noise comprising ambient noise in the given environment. ... Sonos Inc

03/29/18 / #20180088895

Multimedia experience according to biometrics

Disclosed herein are example techniques for multimedia experience based on biometric data. An example implementation may involve receiving first biometric data representing one or more first biological characteristics of an individual. ... Sonos Inc

03/22/18 / #20180084363

Acoustic position measurement

Example techniques for acoustic position measurement in an example listening environment are disclosed. An example implementation involves a control device including a first transducer, a playback device including a second transducer, and a network microphone device (nmd) including a microphone array. ... Sonos Inc

03/22/18 / #20180079027

Ultrasonic welding tongs

The invention relates to ultrasonic welding tongs (10) for performing ultrasonic welding on a tubular electrically conductive welding medium (20), wherein a first welding jaw or a second welding jaw and a welding-medium stop device (21), which delimits a welding-medium holding space (19) formed between the welding jaws, are each electrically conductive and arranged electrically isolated from each other, the electrically conductive welding jaw and the electrically conductive welding-medium stop device forming components of a safety circuit in such a manner that a welding process including a closing of the welding jaws is triggered after the safety circuit has been closed by the formation of an electrical contact between the electrically conductive welding jaw and the welding-medium stop device by way of the welding medium.. . ... Sonos Inc

03/15/18 / #20180077488

Default playback device designation

Systems and methods discussed herein involve designating a default playback device in a local playback network. One method may involve determining that a networked microphone device is available for assignment to one or more playback zones within a local playback network, displaying a prompt to indicate at least one playback zone to which the network microphone device is to be assigned, receiving an input indicating a particular playback zone in the local playback system to which the network microphone device is to be assigned, and storing data indicating an assignment of the network microphone device to the particular playback zone.. ... Sonos Inc

03/08/18 / #20180070171

Default playback devices

Systems and method discussed herein involve applying a designation of a default playback device in a media playback system. One method may involve maintaining a database comprising data indicating an assignment of an identification of a network microphone device to a playback zone of a media playback system, receiving a message indicating (i) the identification of the network microphone device and (ii) a media playback command, identifying the playback zone in the media playback system based on the data in the database and the received message, and transmitting to the playback zone, a message indicating the media playback command.. ... Sonos Inc

03/01/18 / #20180063660

Calibration of playback devices

Example techniques involve calibration of multiple playback devices. An example implementation receives, via a user interface of the network device, an input to initiate calibration of a group of playback devices comprising a first playback device and a second playback device configured to playback audio content in synchrony. ... Sonos Inc

03/01/18 / #20180061073

Speaker spider measurement technique

A digital image of a speaker spider may be received from an optical microscope or laser microscope. The digital image is filtered to fill in voids in the digital image, where the voids are indicative of holes in the speaker spider. ... Sonos Inc

03/01/18 / #20180060033

Metadata exchange involving a networked playback system and a networked microphone system

Disclosed herein are systems and methods for establishing a metadata exchange channel between a media playback system and a networked microphone system, wherein the networked microphone system comprises a networked microphone device and a networked microphone server. After establishing the metadata exchange channel, the media playback system experiences a metadata exchange triggering event. ... Sonos Inc

02/22/18 / #20180054687

Spatial audio correction

Example techniques may involve performing aspects of a spatial calibration. An example implementation may include detecting a trigger condition that initiates calibration of a media playback system including multiple audio drivers that form multiple sound axes, each sound axis corresponding to a respective channel of multi-channel audio content the implementation may also include causing the multiple audio drivers to emit calibration audio that is divided into constituent frames, the multiple sound axes emitting calibration audio during respective slots of each constituent frame. ... Sonos Inc

02/08/18 / #20180041853

Determining direction of networked microphone device relative to audio playback device

Example techniques involve determining a direction of an nmd. An example implementation includes causing two audio drivers to output audio content, where the audio drivers are positioned at a known distance apart in a given azimuthal plane and recording the audio content output by the two audio drivers. ... Sonos Inc

02/08/18 / #20180040324

Multiple voice services

Disclosed herein are example techniques to identify a voice service to process a voice input. An example implementation may involve an nmd receiving, via a microphone, voice data indicating a voice input. ... Sonos Inc

02/08/18 / #20180039474

Calibration of a playback device based on an estimated frequency response

A first stream and second stream of audio are received. The first stream of audio may comprise source audio content to be played back by the audio playback device. ... Sonos Inc

02/01/18 / #20180035227

Calibration state variable

Example techniques involve a calibration state variable. An example implementation receives, via a network interface, an indication that the first playback device is calibrated. ... Sonos Inc

02/01/18 / #20180035224

Lifetime of an audio playback device with changed signal processing settings

A first lifetime estimate is determined for a first acoustic component of a first audio playback device configured with first signal processing settings. A second audio playback device is configured with second signal processing settings. ... Sonos Inc

02/01/18 / #20180035209

Providing aggregate playback information

System, method, and apparatus including receiving an identification of content played a playback system and an identification of location of the playback system. A playlist of content is associated with the location. ... Sonos Inc

02/01/18 / #20180034876

Social network account assisted service registration

Examples involve a control device using a social networking service to facilitate registration of a streaming media service with a media playback system. An example implementation receives (i) data indicating login credentials for a given account of a social networking service, and (ii) input data to configure streaming media services with a media playback system. ... Sonos Inc

01/25/18 / #20180024808

Calibration interface

An example implementation may involve a control device displaying a prompt to initiate a calibration sequence that involves calibration of a playback device for particular location within a given environment. The example implementation may also involve the control device displaying (i) a prompt to initiate a calibration sequence that includes a spectral calibration component and a spatial calibration component, and (ii) a sequence of one or more prompts to prepare the particular location within the given environment for the spatial calibration component. ... Sonos Inc

01/25/18 / #20180021022

Ultrasound imaging apparatus with image selector

An ultrasound imaging system includes a cine buffer in which image frames produced during an examination are stored. A processor is programmed to select one or more image frames from the cine buffer for presentation to an operator for approval and inclusion in a patient record or other report. ... Sonos Inc

01/25/18 / #20180021018

Hand-held medical imaging system with thumb controller and associated apparatuses and methods

A portable ultrasound system having a thumb controller is disclosed herein. A portable ultrasound system configured in accordance with one embodiment of the disclosure includes a transducer device and a hand-held base unit removably coupled to the transducer device. ... Sonos Inc

01/18/18 / #20180020314

Spectral correction using spatial calibration

Example techniques may involve performing aspects of a spectral calibration using an applied spatial calibration. An example implementation may include receiving data representing spatial filters that correspond to respective playback configurations. ... Sonos Inc

01/18/18 / #20180020307

Calibration error conditions

Examples described herein involve identifying one or more error conditions during calibration of one or more playback devices in a playback environment. A microphone of a network device may detect and sample an audio signal while the one or more playback devices in the playback environment plays a calibration tone. ... Sonos Inc

01/18/18 / #20180020306

Playback device calibration

Examples described herein involve calibrating a playback device. An example implementation receives, from a network microphone device (nmd), data indicating second audio signal detected by the nmd at multiple locations between a first physical location and a second physical location within a given environment while the network microphone device is moving from the first physical location to the second physical location, the second audio signal representing acoustic echo of a first audio signal played by a playback device. ... Sonos Inc

01/18/18 / #20180018991

Device impairment detection

Examples described herein involve detecting known impairments or other known conditions using a neural network. An example implementation receives a response matrix that represents, in respective dimensions, responses of a given playback device under respective iterations of a sound captured by a recording device, the iterations including first iterations with respective impairments to the recording device and second iterations without the respective impairments to the recording device. ... Sonos Inc

01/18/18 / #20180018967

Contextualization of voice inputs

Disclosed herein are example techniques to provide contextual information corresponding to a voice command. An example implementation may involve receiving voice data indicating a voice command, receiving contextual information indicating a characteristic of the voice command, and determining a device operation corresponding to the voice command. ... Sonos Inc

01/18/18 / #20180018964

Voice detection by multiple devices

Disclosed herein are example techniques for voice detection by multiple nmds. An example implementation may involve receiving a set of voice recordings from a set of nmds, and identifying a subset of voice recordings from which to determine a given voice command. ... Sonos Inc

01/11/18 / #20180014137

Manipulation of playback device response using signal processing

An example playback device receives left and right channels of audio content and generates a center channel of the audio content by combining at least a portion of the left right channels. The playback device generates first and second side channels of the audio content by combining the center channel and a difference of the left channel and the right channel and combining the center channel and an inverse of the difference of the left channel and the right channel, respectively. ... Sonos Inc

01/11/18 / #20180013804

Playback device media item replacement

Embodiments are provided for replacing media items in a queue of a playback device. An example implementation involves receiving, at the playback device, first data indicating an addition of a first media item to a queue. ... Sonos Inc

01/04/18 / #20180004714

Remote creation of a playback queue for a future event

Example embodiments involve remote creation of a playback queue for an event. An example implementation involves a cloud computing system receiving, from a first mobile device, one or more messages representing an instruction to create a playlist for an event. ... Sonos Inc

12/28/17 / #20170374482

Calibration of audio playback devices

An audio playback device comprises a microphone, a speaker, and a processor. The processor is arranged to output by the speaker first audio content and receive by the microphone an indication of the first audio content. ... Sonos Inc

12/14/17 / #20170359663

Base properties in media playback system

An example implementation may involve a control device identifying a playback device base in a media playback system. The playback device base includes an interface to communicate with a playback device placed on the playback device base. ... Sonos Inc

12/14/17 / #20170358858

Frequency routing based on orientation

Systems, methods, and apparatus for frequency routing based on orientation are disclosed. An example method includes receiving, by a playback device, an audio data stream. ... Sonos Inc

12/14/17 / #20170358313

Dynamic player selection for audio signal processing

A set of signal measures is received, wherein each signal measure in the set of signal measures corresponds to a respective audio signal received by a device in a media playback system which is processed based on a first set of audio processing algorithms. A plurality of signal measures is identified in the set of signal measures. ... Sonos Inc

12/07/17 / #20170353808

Playback device configuration according to distortion threshold

Examples described herein involve configuring a playback device based on distortion, such as that caused by a barrier. One implementation may involve causing the playback device to play audio content according to an existing playback configuration, determining an existing frequency response of the playback device in a given system, and determining whether a difference between the existing frequency response of the playback device in the given system and a predetermined frequency response for the playback device is greater than a predetermined distortion threshold. ... Sonos Inc

12/07/17 / #20170352294

System and method for five plus one degree-of-freedom (dof) motion tracking and visualization

A method for training an ultrasound user with a hand-held device having one or more first sensors to detect angular orientation of the device in one or more dimensions, and at least one two-dimensional surface device having one or more second sensors to detect translational position of the hand-held device in one or more directions, which communicates the angular orientation data from the hand-held device and the translational position data from the at least one surface device to a computer to display a virtual environment with a virtual hand-held device that moves in correlation with the hand-held device based on the angular orientation data from the hand-held device and the translational position data from the at least one surface device.. . ... Sonos Inc

11/30/17 / #20170346884

Cloud queue item removal

An example implementation may involve removing, by a computing device, a given media item from a queue of media items. The example implementation may further involve adding to the queue an indication that the given media item has been removed from the queue. ... Sonos Inc

11/30/17 / #20170346459

Intelligently modifying the gain parameter of a playback device

Techniques for optimizing a player based on the addition of a second player are disclosed. In an embodiment, when a first player no longer needs to play certain audio frequencies due to the addition of a second player, the gain of the first player is automatically increased as part of the setup process. ... Sonos Inc

11/30/17 / #20170344450

Adjusting a playback device

Certain embodiments provide methods and systems for managing a sound profile. An example playback device includes a network interface and a non-transitory computer readable storage medium having stored therein instructions executable by the processor. ... Sonos Inc

11/23/17 / #20170339489

Hybrid test tone for space-averaged room audio calibration using a moving microphone

An example implementation may involve a network device detecting within a playback environment, via a microphone, an audio signal over a duration of time. After the duration of time, the implementation further involves the network device determining a frequency response of the playback environment based on the detected audio signal and a test tone. ... Sonos Inc

11/16/17 / #20170331866

Social media connection recommendations based on playback information

Embodiments are described herein that involve a computing device initiating playback of a particular media item on a media playback system that is registered to a particular account of a social media service. The computing device may query the social media service for one or more accounts of the social media service that are registered to respective media playback systems that have played the particular media item on at least a threshold number of occasions and have not yet been connected to the particular account of the social media service within the social network. ... Sonos Inc

11/16/17 / #20170330283

Media content based on playback zone awareness

Systems and methods are provided for providing media content based on playback zone awareness. In one aspect, a computing system receives, via a network interface, zone data from the media playback system, wherein the zone data includes an indication of a particular zone of the media playback system, and wherein the particular zone comprises at least one playback device. ... Sonos Inc

11/16/17 / #20170329482

Controlling and displaying zones in a multi-zone system

A multimedia controller for controlling and displaying zones in a multi-zone system is provided. In one example the controller provides a user interface for multiple zones of a media playback system comprising multiple playback devices. ... Sonos Inc

11/16/17 / #20170325783

Systems and methods of determining dimensions of structures in medical images

Systems and methods for producing ultrasound images are disclosed herein. In one embodiment, ultrasound image data are acquired in discrete time increments at one or more positions relative to a subject. ... Sonos Inc

10/26/17 / #20170308128

Rf antenna proximity sensing in a playback device

An example embodiment includes a playback device comprising a wireless communications interface including a radio frequency (rf) antenna, a capacitive proximity sensor comprising a grounding plane that is coupled to the rf antenna, one or more processors, and a data storage having stored therein instructions executable by the one or more processors to cause the playback device to perform operations. The operations include operating the playback device in a first power state, detecting that an object is in proximity to the capacitive proximity sensor, and in response to detecting the object, adjusting operation of the playback device from the first power state to a second power state.. ... Sonos Inc

10/12/17 / #20170295413

Fast-resume audio playback

Audio content may be played back in synchrony with a member of a synchrony group based on playback timing information. While synchronously playing back the audio content, the playback timing information may be transmitted to the member of the synchrony group. ... Sonos Inc

10/12/17 / #20170293688

Playback queue control via a playlist on a computing device

A first connection state may be entered on a computing device. While the computing device is in the first connection state, actions taken on a playlist on the computing device may be applied to the playlist and not applied to a playback queue associated with a zone. ... Sonos Inc

10/05/17 / #20170289718

Updating playback device configuration information based on calibration data

A computing device may transmit playback device configuration information to a given playback device. The computing device may then receive calibration data corresponding to each playback device of a plurality of playback devices, and receive playback device characteristic data indicating at least one playback device characteristic for each playback device of the plurality of playback devices. ... Sonos Inc

10/05/17 / #20170289717

Defect detection via audio playback

Embodiments of detecting detects in a playback device via audio playback are provided. A playback device may play a test sound during a time period, and capture, via one or more microphones of the playback device, the test sound during the time period. ... Sonos Inc

10/05/17 / #20170289611

Wireless radio switching

Examples are provided for establishing a bonded zone comprising a first playback device comprising a respective first wireless radio and a second playback device comprising a second respective wireless radio. The first and second playback devices may establish a bonded zone comprising at least the first and second playback device. ... Sonos Inc

10/05/17 / #20170286052

Playback device calibration based on representation spectral characteristics

A computing device may maintain a database of representative spectral characteristics. The computing device may also receive particular spectral data associated with a particular playback environment corresponding to the particular playback device. ... Sonos Inc

10/05/17 / #20170282289

Device for welding rod-shaped conductors

The invention relates to a device for welding rod-shaped conductors (14), comprising a compression chamber for receiving joining sections (13) of the conductors to be joined together, the compression chamber being limited in a first axial direction (z-axis) on two opposite sides by an active surface of a sonotrode (16) transmitting ultrasonic vibrations in the direction of the z-axis and by a counter surface of a counter electrode (18), the device having a knife device which is provided with a drive device and comprises a knife (24) movable in the direction of the z-axis, said knife having a cutting edge which can be moved past the compression chamber, wherein a drive motor of the drive device is arranged in an installation space arranged below the sonotrode, the drive motor being connected to a knife holder (26) via a deflection gear (31) in order for the knife to be able to perform a cutting motion, the knife being moveable in the direction of the z-axis.. . ... Sonos Inc

10/05/17 / #20170282215

Dual frequency ultrasound transducer including an ultrahigh frequency transducer stack and a low frequency ultrasound transducer stack

A dual frequency ultrasound transducer includes a high frequency ultrasound array and a low frequency transducer positioned behind or proximal to the high frequency ultrasound array. In one embodiment, a dampening material is positioned between a rear surface of the high frequency array and the a front surface of the low frequency array. ... Sonos Inc

09/28/17 / #20170280245

Loudspeaker diaphragm

Example transducer assemblies are described here. An example transducer assembly may include a frame, a magnet carried by the frame, a voice coil operably coupled to the magnet, and a diaphragm. ... Sonos Inc

09/28/17 / #20170279426

Playback device group volume control

Embodiments are provided for satellite volume control. An example method includes receiving an input at a playback device to adjust a volume for a plurality of playback devices that are grouped for synchronous playback of audio content, wherein the plurality of playback devices includes the playback device. ... Sonos Inc

09/21/17 / #20170272508

Group coordinator selection based on communication parameters

Examples described herein involve selecting a group coordinator device for a zone group. An example implementation includes: receiving an instruction to form a zone group comprising the first media device and the second media device; comparing a first one or more communication parameters corresponding to a network connection of the first media device to a second one or more communication parameters corresponding to a network connection of the second media device; identifying the first media device as a group coordinator of the zone group based on at least the indication that the first media device communicates with the router over the first communication frequency band; and configuring the first media device to provide data indicating audio content and audio content playback timing information to the second media device to facilitate synchronous playback of the audio content as the group coordinator of the zone group.. ... Sonos Inc

09/21/17 / #20170272481

Routing data over wireless communication links

Certain examples accommodate data routing optimizations. An example method comprises receiving, by a first playback device, data to be directed to at least a second playback device, the data comprising: i) audio data and ii) non-audio data. ... Sonos Inc

09/21/17 / #20170270202

Webpage media playback

Examples described herein involve facilitating playback of media content via a webpage. An example implementation involves a computing device: identifying one or more playback zones including at least one respective playback device; transmitting, via a web browser, a webpage request; receiving a webpage that includes a link to a media item; modifying the received webpage to include a representation associated with the link; causing, via the web browser, display of the modified webpage; responsive to a selection of the representation, causing display of the option; and responsive to a selection of the option, causing display of a list of the one or more playback zones, wherein at least one playback zone of the one or more playback zones is selectable to cause the media item to be added to the playback queue associated with the at least one playback zone.. ... Sonos Inc

09/21/17 / #20170270112

Providing media items from playback history

Examples provided herein involve a playback history for media items played by playback zones of a media playback system. An example implementation involves a computing device storing a playback history of media items played by the media playback system, the playback history including, for each of the media items, an indication of a playback zone in which the media item was played, a time at which the media item was played, and metadata of the media item. ... Sonos Inc

09/21/17 / #20170269900

Zone grouping

An example method involves causing a control device to display a graphical user interface that comprises an indication of a first zone of a media playback system, wherein the media playback system comprises the first zone and a second zone, and wherein the graphical user interface does not comprise an indication of the second zone. The example method further involves detecting, by the control device, an input that indicates a command to cause the first zone to form a zone group with the second zone and play back a target media in synchrony with the second zone. ... Sonos Inc

09/21/17 / #20170269579

Playback device with capacitive sensors

Examples described herein involve a playback device having capacitive sensors. In an example implementation, an enclosure of a playback device includes: a first external surface comprising a speaker grille; a second external surface substantially orthogonal to the first external surface; and an array of capacitive sensors underlying the second external surface of the playback device. ... Sonos Inc

09/14/17 / #20170264943

Audio content playback management

An example implementation involves a playback device receiving a request to add continuous automated streaming audio content to a playback queue, the request indicating a playback start time, and the playback queue indicating a plurality of audio content. The implementation further involves the playback device adding the continuous automated streaming audio content to the playback queue. ... Sonos Inc

09/14/17 / #20170264655

Indicating an association between a social-media account and a media playback system

Examples disclosed herein include a social-media computing system receiving, from a first computing device, a first message indicating that a media playback system is associated with a first social-media account; and based on the received first message, sending, to a second computing device associated with a second social-media account, a second message indicating that the media playback system is associated with the first social-media account. The examples may also include the second computing device receiving, from the social-media computing system, the second message; and based on the received second message, causing display of an indication of the association between the media playback system and the second social-media account.. ... Sonos Inc

09/14/17 / #20170262257

Synchronized audio mixing

A first example playback device includes one or more processors and a non-transitory computer-readable medium storing instructions that, when executed by the one or more processors, cause the first playback device to perform functions. The functions include generating a mixed audio signal comprising one or more components of a first audio stream and one or more components of a second audio stream; and playing the mixed audio signal, where the one or more components of the second audio stream of the mixed audio signal played by the first playback device are played in synchrony with a second playback device configured to play the second audio stream. ... Sonos Inc

09/07/17 / #20170252467

Multimodal ultrasound and photoacoustic contrast agent based on polymeric microparticles

The invention provides a multimodal ultrasound and photoacoustic contrast agent based on polymeric microparticles having a gas core and carrying at least one photoacoustic agent in its shell that stabilizes the gas core, for use in ultrasound and photoacoustic imaging. Such multimodal ultrasound and photoacoustic contrast agent is also suitable as a carrier of drugs and for use in photodynamic therapy, and for tissue imaging ex vivo.. ... Sonos Inc

09/07/17 / #20170252005

Ultrasonic probe and aligned needle guide system

A side-fire ultrasonic probe includes an alignment feature that, when used to connect the probe with a needle guide for intra-cavity medical procedures, enables alignment of a needle in an imaging plane of an ultrasonic transducer. The alignment feature is configured such that alignment of the needle within the imaging plane is accomplished when a protective sheath is disposed between the alignment feature and the needle guide. ... Sonos Inc

08/31/17 / #20170251237

Social media queue

Examples provided herein are directed to social-media playback queues. In one example, a computing system may be configured to (i) receive an identifier of a media playback system, (ii) link the identifier with a social-media account, (iii) based at least on linking the identifier with the social-media account, generate a social-media playback queue that is tillable with one or more media items playable by the media playback system, (iv) establish access permissions to the social-media playback queue, where the access permissions indicate at least one additional social media account that (a) is within a social-media network of the social-media account, and (b) has access to the social-media playback queue, (v) receive, from a computing device affiliated with the at least one additional social-media account, an indication of a media item to be added to the social-media playback queue, and (vi) add the media item to the social-media playback queue.. ... Sonos Inc

08/31/17 / #20170249121

Prioritizing media content requests

Examples described herein may include a computing device receiving, from a first playback device, a request for first media content associated with a first playback operation. The computing device sends, to the first playback device, the first media content, and while sending that content, receives, from a second playback device, a request for second media content associated with a second playback operation, this request including information characterizing the second playback operation. ... Sonos Inc

08/31/17 / #20170248931

Remote command learning

Systems, methods, apparatus, and articles of manufacture to learn and share remote commands are disclosed. An example method to configure a playback device to be controlled by a remote control includes receiving by the playback device a first code for a first command from the remote control. ... Sonos Inc

08/24/17 / #20170245079

Compensation for speaker nonlinearities

A first signal may be received indicative of audio to be played by a speaker. A second signal may be received which comprises (i) a voice input received by a microphone and (ii) at least a portion of the audio played by the speaker at a same time that the microphone receives the voice input. ... Sonos Inc

08/24/17 / #20170245076

Networked microphone device control

Systems and methods disclosed herein include, while a microphone of a first networked microphone device is enabled, determining whether a first reference device is in a specific state, and in response to determining that the first reference device is in the specific state, disabling the microphone of the first networked microphone device. Some embodiments further include, while the microphone of the first networked microphone device is enabled, receiving a command to disable the microphone of the first networked microphone device via one of the microphone of the networked microphone device or a network interface of the networked microphone device, and in response to receiving the command to disable the microphone of the networked microphone device via one of the microphone of the networked microphone device or the network interface of the networked microphone device, disabling the microphone of the networked microphone device.. ... Sonos Inc

08/24/17 / #20170245074

Playback device calibration user interfaces

Examples described herein involve providing playback device calibration user interfaces to guide a calibration process for one or more playback devices in a playback environment. In one example, a network device receives audio samples continuously from a microphone of the network device for a predetermined duration of time, wherein the predetermined duration of time comprises a plurality of periodic time increments. ... Sonos Inc

08/24/17 / #20170245056

Transducer diaphragm

A diaphragm for a loudspeaker may include a continuous primary diaphragm having an upper surface and a lower surface, where the primary diaphragm comprises a ring-shaped, flat region having an inner diameter and an outer diameter. The diaphragm may also include a reinforcing ring attached to the upper surface of the primary diaphragm, where the reinforcing ring has an inside diameter and an outside diameter, and where the reinforcing ring is attached to the upper surface of the primary diaphragm such that the inside diameter of the reinforcing ring coincides with the inner diameter of the flat region.. ... Sonos Inc

08/24/17 / #20170245054

Sensor on moving component of transducer

A signal from a sensor may be received indicative of an acceleration of a moving component of a transducer at a location where the sensor is mounted. A position the moving component may be determined based on the acceleration. ... Sonos Inc

08/24/17 / #20170245051

Default playback devices

Systems and method discussed herein involve applying a designation of a default playback device in a media playback system. One method may involve maintaining a database comprising data indicating an assignment of an identification of a network microphone device to a playback zone of a media playback system, receiving a message indicating (i) the identification of the network microphone device and (ii) a media playback command, identifying the playback zone in the media playback system based on the data in the database and the received message, and transmitting to the playback zone, a message indicating the media playback command.. ... Sonos Inc

08/24/17 / #20170245050

Default playback device designation

Systems and methods discussed herein involve designating a default playback device in a local playback network. One method may involve determining that a networked microphone device is available for assignment to one or more playback zones within a local playback network, displaying a prompt to indicate at least one playback zone to which the network microphone device is to be assigned, receiving an input indicating a particular playback zone in the local playback system to which the network microphone device is to be assigned, and storing data indicating an assignment of the network microphone device to the particular playback zone.. ... Sonos Inc

08/24/17 / #20170243587

Handling of loss of pairing between networked devices

Systems and methods disclosed herein include (i) receiving a voice command via a networked microphone device configured to receive voice commands for a media playback system, wherein the media playback system comprises a primary media playback device configured to perform a function and/or provide a first feedback in response to voice commands received via the networked microphone device, (ii) determining that the primary media playback device is not available to perform a function and/or provide the first feedback in response to the voice command, and (iii) in response to determining that the primary media playback device is not available to perform a function and/or provide the first feedback in response to the voice command, instructing a fallback device to perform a function and/or provide a second feedback in response to the voice command.. . ... Sonos Inc

08/24/17 / #20170243576

Voice control of a media playback system

A voice input comprising a command word, one or more media variable instances, and one or more zone variable instances is received. A media playback system command which corresponds to the command word is determined. ... Sonos Inc

08/24/17 / #20170242657

Action based on user id

Disclosed herein are systems and methods for receiving a voice command and determining an appropriate action for the media playback system to execute based on user identification. The systems and methods receive a voice command for a media playback system, and determines whether the voice command was received from a registered user of the media playback system. ... Sonos Inc

08/24/17 / #20170242656

Metadata exchange involving a networked playback system and a networked microphone system

Disclosed herein are systems and methods for establishing a metadata exchange channel between a media playback system and a networked microphone system, wherein the networked microphone system comprises a networked microphone device and a networked microphone server. After establishing the metadata exchange channel, the media playback system experiences a metadata exchange triggering event. ... Sonos Inc

08/24/17 / #20170242655

Room-corrected voice detection

A playback device may have a network interface configured to communicate with a network microphone device over a communication network. A processor of the playback device may comprise instructions, which when executed, cause the processor to obtain acoustics of an environment in which the playback device is located; identify a network microphone device; and send the acoustics to the network microphone device to cause the network microphone device to apply the acoustics to voice input received by the network microphone device.. ... Sonos Inc

08/24/17 / #20170242653

Voice control of a media playback system

Multiple aspects of systems and methods for voice control and related features and functionality for various embodiments of media playback devices, networked microphone devices, microphone-equipped media playback devices, and speaker-equipped networked microphone devices are disclosed and described herein, including but not limited to designating and managing default networked devices, audio response playback, room-corrected voice detection, content mixing, music service selection, metadata exchange between networked playback systems and networked microphone systems, handling loss of pairing between networked devices, actions based on user identification, and other voice control of networked devices.. . ... Sonos Inc

08/24/17 / #20170242651

Audio response playback

A voice command may be received from a microphone device associated with a media playback system comprising one or more zones. An audio response zone from the one or more zones to play the audio response may be selected based on context information. ... Sonos Inc

08/24/17 / #20170242650

Content mixing

A playback device comprises a network interface configured to communicate with a network microphone device. A processor of the playback device comprises instructions, which when executed, cause the processor to receive a message associated with the network microphone device; and adjust a volume of audio content below a volume of content associated with the network microphone device based on the message.. ... Sonos Inc

08/24/17 / #20170242649

Music service selection

Methods and apparatus for identifying a music service based on a user command. A content type is identified from a received user command and a music service is selected that supports the content type. ... Sonos Inc

08/24/17 / #20170242112

Ultrasound transducer with data compression

A transducer for an ultrasound imaging system includes an array of transducer elements and an analog-to-digital converter configured to convert analog signals produced by the transducer elements into corresponding digital samples that are encoded with a first number of bits. One or more memories are used to store digital samples associated with frames of ultrasound data. ... Sonos Inc

08/17/17 / #20170235546

Identification of audio content facilitated by playback device

An example implementation involves a playback device receiving digital data representing audio content, the digital data encoded in a first format. The playback device causes one or more speaker drivers to playback the audio content. ... Sonos Inc

08/17/17 / #20170235545

Leaving group and smart line-in processing

An example playback device includes a first interface for receiving a first audio signal from a first audio source; a second interface for receiving a second audio signal from a second audio source; and a processor configured to: cause the playback device to playback the second audio signal; determine that the first audio signal is present at the first interface; in response to determining that the first audio signal is present at the first interface, (i) cease playback of the second audio signal being played by the playback device and (ii) cause the playback device to playback the first audio signal; receive an instruction to stop the playback device from playing the first audio signal while the first audio signal is still present at the first interface; and arm the playback device such that a subsequent presence of the first audio signal at the first interface causes the playback device to play the first audio signal.. . ... Sonos Inc

08/10/17 / #20170224306

High frequency ultrasound probe

A high frequency ultrasound probe includes a substrate having a number of transducer elements on it and a ground plane that is electrically coupled by one or more vias to a conductive frame that supports the substrate. The conductive frame is electrically coupled to a ground plane of a printed circuit having conductors that are coupled to the transducer elements.. ... Sonos Inc

08/03/17 / #20170223472

Leaving group based on message from audio source

Systems, methods, apparatus, and articles of manufacture to control audio playback devices are disclosed. An example first playback device includes a speaker driver, a processor, and a computer readable medium including a set of instructions that, when executed by the processor, cause the first playback device to implement a method. ... Sonos Inc

08/03/17 / #20170223458

Playback device pairing

Technology for grouping, consolidating, and pairing individual playback devices with network capability (players) to stimulate a multi-channel listening environment is disclosed. An example method includes receiving an audio signal containing a range of audio frequencies; amplifying, according to a gain parameter, the audio signal to be reproduced by at least one speaker. ... Sonos Inc

08/03/17 / #20170220315

Audio processing

An example method includes receiving data indicating a configuration of one or more playback devices. The one or more playback devices may include one or more transducers. ... Sonos Inc

08/03/17 / #20170215754

Methods and apparatus for enhanced fiducial point determination and non-invasive hemodynamic parameter determination

Methods and apparatus for utilizing multiple sources of physiologic data to enhance measurement robustness and accuracy. In one embodiment, phonocardiography or “heart sounds” data is used in combination with one or more other techniques (for example, impedance cardiography or icg waveforms, and/or electrocardiography or ecg waveforms) to provide more accurate and robust physiological and/or hemodynamic assessment of living subjects. ... Sonos Inc

07/27/17 / #20170215017

Calibration with particular locations

Example techniques may involve multiple calibrations for one or more playback devices. An example implementation may involve detecting, via a microphone, calibration sounds as emitted by one or more playback devices during a calibration sequence, perhaps by recording first samples while the microphone is in motion through a given environment and recording second samples while the microphone is stationary at one or more particular locations. ... Sonos Inc

07/27/17 / #20170214991

Evaluating calibration of a playback device

An example method may include recording, via a microphone of a first playback device, audio played by a second playback device in accordance with a calibration setting. The method may further include, based on the recorded audio, determining that the calibration setting is invalid. ... Sonos Inc

07/27/17 / #20170214373

Group volume control

Example techniques involve controlling playback volumes of playback zone in a network media system. An example implementation includes displaying a first volume indicator along a first scale at a first position corresponding to a first volume setting of a zone, and a second volume indicator along a second scale at a second position corresponding to a second volume setting of a zone group including the zone. ... Sonos Inc

07/20/17 / #20170208408

Validation of audio calibration using multi-dimensional motion check

Examples described herein involve validating motion of a microphone during calibration of a playback device. An example implementation involves a control device receiving an indication that the control device will begin detecting audio signals emitted from playback devices as part of a calibration process. ... Sonos Inc

07/20/17 / #20170208406

Concurrent multi-loudspeaker calibration with a single measurement

An example implementation may involve a computing device detecting a trigger condition that initiates concurrent calibration of multiple playback devices. The implementation may further involve the computing device sending, to at least one of the multiple playback devices, one or more commands that instruct each playback device of the multiple playback devices to repeatedly output a calibration sound according to a sequence. ... Sonos Inc

07/20/17 / #20170208110

Cloud queue playhead

An example implementation may involve a computing system receiving, from a media playback system over the network interface, a request to initiate playback of the particular cloud queue at a first media item. The computing system assigns a playhead pointer to a position within the particular cloud queue that corresponds to the first media item and transmits, to the media playback system over the network interface, an instruction that causes one or more playback devices of the media playback system to initiate playback of the particular cloud queue at the first media item. ... Sonos Inc

07/20/17 / #20170208056

Cloud queue access control

An example implementation may involve a computing system receiving, from a media playback system, a request to initiate playback of a cloud queue. The cloud queue may currently have a first access status that authorizes a first set of queue operations, which may include playback of the cloud queue. ... Sonos Inc

07/20/17 / #20170206058

Music streaming using supported services

An example technique includes a computing system storing media item identifiers of curated media items associated with one or more service providers. A media curating service aggregates the media item identifiers of curated media items. ... Sonos Inc

07/13/17 / #20170197232

Methods for manufacturing ultrasound transducers and other components

The disclosed technology features methods for the manufacture of electrical components such as ultrasound transducers. In particular, the disclosed technology provides methods of creating an ultrasonic transducer by connecting one or more multi-layer printed circuits to an array of ultrasound transducer elements. ... Sonos Inc

07/06/17 / #20170192739

Group coordinator selection

A network device is arranged to identify a group coordinator for a group of networked playback devices. The network device may have a network interface configured to communicate with first playback device and a second playback device over a network. ... Sonos Inc

06/22/17 / #20170181113

Synchronization of content between networked devices

Networked devices are arranged to play content such as audio and video content in synchronization. A synching device receives a packet from an initiating device over a network. ... Sonos Inc

05/18/17 / #20170139670

Volume limit

An example playback device may store an active volume state variable in memory, where the active volume state variable corresponds to a current playback volume. The playback device may also store a volume limit state variable in memory, where the volume limit state variable corresponds to a playback volume limit of the playback device. ... Sonos Inc

05/11/17 / #20170134871

Base properties in a media playback system

An example implementation may involve a playback device assigning, to the playback device, a zone property that is assigned to a device base (e.g., a charging base) that the playback device is placed upon. For instance, a playback device may identify a particular base onto which the playback device is placed. ... Sonos Inc

05/11/17 / #20170134855

Multi-channel pairing in a media system

Systems and methods for output of audio content are disclosed. An example first playback device includes a processor. ... Sonos Inc

05/11/17 / #20170133004

Acoustic lens for micromachined ultrasound transducers

Matching layers configured for use with ultrasound transducers are disclosed herein. In one embodiment, a transducer stack can include a capacitive micromachined ultrasound transducer (cmut), an acoustic lens, and a matching layer therebetween. ... Sonos Inc

05/04/17 / #20170126760

Mobile source media content access

Embodiments are provided for accessing media content on a mobile device. In one embodiment, a user may add media from a mobile device carried by the user to a queue of media that may be rendered by a media system in communication with the mobile device. ... Sonos Inc

04/06/17 / #20170095231

Portable medical ultrasound scanning system having a virtual user interface

A portable ultrasound scanning system for performing a diagnostic ultrasound scanning process of a patient, comprising a portable housing configured to be held in a first hand of a user of the scanning system. A display comprising a touchscreen is mounted on the hand-held housing. ... Sonos Inc

04/06/17 / #20170095230

Dual display presentation apparatus for portable medical ultrasound scanning systems

A portable ultrasound scanning system comprising a hand-held housing, ultrasound electronics of a complete ultrasound scanning system, including a beamformer and an image processing unit, contained within the hand-held housing. A first display comprises a touchscreen on the hand-held housing with a user input interface, at least partially presented on the first display. ... Sonos Inc

04/06/17 / #20170095229

Hand-held medical imaging system with improved user interface for deploying on-screen graphical tools and associated apparatuses and methods

A portable ultrasound system having an enhanced user interface is disclosed herein. In one embodiment, a portable ultrasound system can include a hand-held base unit configured to present a graphical user interface that contains a first control area, a second control area, and an active image area. ... Sonos Inc

04/06/17 / #20170095228

Interchangeable probes for portable medical ultrasound scanning systems

A portable ultrasound scanning system for performing a diagnostic ultrasound scanning process of a patient. The system comprises a portable housing containing ultrasound electronics of a complete ultrasound scanning system including a beamformer that regulate and control operation of the scanning system. ... Sonos Inc

04/06/17 / #20170095220

Integrated multi-rail imaging system

The imaging system can comprise a plurality of elongated rails, a scanhead assembly, and a small animal mount assembly. The scanhead assembly is selectively mounted onto a first rail and is constructed and arranged for movement in a linear bi-directional manner along the longitudinal axis of the first rail. ... Sonos Inc

03/30/17 / #20170094437

Spatial mapping of audio playback devices in a listening environment

Method and apparatus for spatial mapping of two or more audio playback devices in a listening environment. Two or more playback devices may signal each other. ... Sonos Inc

03/30/17 / #20170090859

Activity reset

In an example implementation, a method may involve sending a message that arranges a media playback system into a pre-defined state, wherein a first playback device is in a first zone having a first zone name, a second playback device is in a second zone having a second zone name, and a queue has a particular set of media items. The method may also involve detecting a trigger indicating a request to reset the media playback system. ... Sonos Inc

03/23/17 / #20170086004

Validation of audio calibration using multi-dimensional motion check

Examples described herein involve validating motion of a microphone during calibration of a playback device. An example implementation involves receiving motion data indicating movement of a recording device while the recording device was recording a calibration sound emitted by one or more playback devices in a given environment during a calibration period. ... Sonos Inc

03/23/17 / #20170085972

Media player and media player design

Media playback devices in accordance with embodiments of the invention are disclosed, including various features of the playback devices such as (but not limited to) the color of the playback devices and the appearance of feet of the playback device.. . ... Sonos Inc

03/23/17 / #20170084294

Device impairment detection

Examples described herein involve detecting known impairments or other known conditions using a neural network. An example implementation involves receiving data indicating a response of a playback device as captured by a microphone. ... Sonos Inc

03/23/17 / #20170083279

Facilitating calibration of an audio playback device

An example method, and example devices and computer-readable media related to the example method, are disclosed herein. The method includes, as a computing device is moving within an environment of a playback device, capturing, via a microphone of the computing device, one or more calibration sounds played by the playback device. ... Sonos Inc

03/16/17 / #20170078816

Calibration error conditions

Examples described herein involve identifying one or more error conditions during calibration of one or more playback devices in a playback environment. A microphone of a network device may detect and sample an audio signal while the one or more playback devices in the playback environment plays a calibration tone. ... Sonos Inc

03/16/17 / #20170078812

Low-latency audio networking

Low-latency audio networking is disclosed. In one embodiment, an example playback device includes a processor and memory having stored thereon instructions executable by the processor. ... Sonos Inc

03/16/17 / #20170078799

Transducer diaphragm

A diaphragm for a loudspeaker may include a continuous primary diaphragm having an upper surface and a lower surface, where the primary diaphragm comprises a ring-shaped, flat region having an inner diameter and an outer diameter. The diaphragm may also include a reinforcing ring attached to the upper surface of the primary diaphragm, where the reinforcing ring has an inside diameter and an outside diameter, and where the reinforcing ring is attached to the upper surface of the primary diaphragm such that the inside diameter of the reinforcing ring coincides with the inner diameter of the flat region.. ... Sonos Inc

03/16/17 / #20170078796

Playback based on received sound waves

Apparatus and methods are disclosed for acoustic optimization. An example playback device includes a first transducer to at least one of output sound waves and receive sound waves, a second transducer to at least one of output sound waves and receive sound waves, and an acoustic grille positioned in relation to the first transducer, where the acoustic grille is to reflect sound waves received at a first angle of incidence.. ... Sonos Inc

03/16/17 / #20170078181

Facilitating the resolution of address conflicts in a networked media playback system

Examples are disclosed and described to facilitate resolution of internet protocol address conflicts. An example method includes periodically broadcasting, by the playback device over the network, a probe message, detecting, by the playback device, a change in status associated with the connection, based on the detection, obtaining, by the playback device, a new internet protocol (ip) address; and based on the detection, including, by the playback device in at least one probe message broadcast subsequent to the detection, an indication for other playback devices on the network to obtain a new ip address.. ... Sonos Inc

03/16/17 / #20170077888

Loudness matching

An example method may involve a device determining a first loudness representation for a playback device based on a first equalization setting applied to a representation of average music. The device may also determine a second loudness representation for the playback device, based on a second equalization setting applied to the representation of average music. ... Sonos Inc








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