1
Nicholas A J Millington: System and method for synchronizing operations among a plurality of independently clocked digital data processing devices. Sonos, Hanley Flight & Zimmerman, July 31, 2012: US08234395 (382 worldwide citation)

A system maintains synchrony of operations among devices that have independent clocking arrangements. The system includes a task distribution device that distributes tasks to a synchrony group of devices that perform the tasks distributed by the task distribution device in synchrony. The task distri ...


2
Nicholas A J Millington: System and method for synchronizing operations among a plurality of independently clocked digital data processing devices. Sonos, McDonnell Boehnen Hulbert & Berghoff, November 24, 2015: US09195258 (9 worldwide citation)

A system is described for maintaining synchrony of operations among a plurality of devices that have independent clocking arrangements. The system includes a task distribution device that distributes tasks to a synchrony group comprising a plurality of devices that are to perform the tasks distribut ...


3
Steven Beckhardt, Andrew J Schulert, Gregory Ramsperger: Cloud queue access control. Sonos, McDonnell Boehnen Hulbert & Berghoff, January 3, 2017: US09537852 (4 worldwide citation)

An example implementation may involve a media playback system obtaining an authorization token corresponding to a particular queue of media items at a remote server. The media playback system may send to the remote server, (i) the obtained authorization token, and (ii) a request for access to one or ...


4
Millington Nicholas A J: System and method for synchronizing operations among a plurality of independently clocked digital data processing devices. Sonos, Millington Nicholas A J, BATHURST Brian, February 10, 2005: WO/2005/013047 (4 worldwide citation)

A system is described for maintaining synchrony of operations among a plurality of devices hat have independent clocking arrangements. The system includes a task distribution device that distributes tasks to a synchrony group comprising a plurality of devices that are to perform the tasks distribute ...


5
Hilmar Lehnert, Timothy Sheen, Dayn Wilberding: Calibration error conditions. Sonos, McDonnell Boehnen Hulbert & Berghoff, January 3, 2017: US09538305 (3 worldwide citation)

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 c ...


6
Benjamin Rappoport: Base properties in a media playback system. Sonos, McDonnell Boehnen Hulbert & Berghoff, January 10, 2017: US09544701 (3 worldwide citation)

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 ...


7
Klaus Hartung: Calibration using multiple recording devices. Sonos, McDonnell Boehnen Hulbert & Berghoff, August 22, 2017: US09743207 (2 worldwide citation)

Example techniques may involve calibration with multiple recording devices. An implementation may include detecting, via a microphone, one or more calibration sounds as emitted by one or more playback devices of one or more zones during a calibration sequence. The implementation may further include ...


8
Steven Beckhardt, Andrew J Schulert, Gregory Ramsperger: Cloud queue access control. Sonos, McDonnell Boehnen Hulbert & Berghoff, May 9, 2017: US09648070 (2 worldwide citation)

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. ...


9
Arthur L Coburn IV, Steven Beckhardt, Andrew J Schulert: Cloud queue synchronization protocol. Sonos, McDonnell Boehnen Hulbert & Berghoff, May 16, 2017: US09654459 (2 worldwide citation)

An example implementation may involve a playback device of a media playback system sending a request for an indication of at least one media item from a remote queue of media items and an indication of a particular media item that is being played by the playback device. The implementation may also i ...


10
Aurelio Rafael Ramos, Timothy W Sheen: Audio output balancing. Sonos, McDonnell Boehnen Hulbert & Berghoff, January 17, 2017: US09549258 (1 worldwide citation)

An example implementation involves a first playback device receiving audio content to be played back by the first playback device and a second playback device in synchrony. Such audio content may include a first and second stereo component. The first playback device determines a limiting result that ...



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