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 (404 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 (12 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
Hilmar Lehnert, Timothy Sheen, Dayn Wilberding: Calibration error conditions. Sonos, McDonnell Boehnen Hulbert & Berghoff, January 3, 2017: US09538305 (6 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 ...


4
Klaus Hartung: Calibration using multiple recording devices. Sonos, McDonnell Boehnen Hulbert & Berghoff, August 22, 2017: US09743207 (5 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 ...


5
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 (5 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 ...


6
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 ...


7
Dayn Wilberding, Neil Griffiths: Calibration state variable. Sonos, McDonnell Boehnen Hulbert & Berghoff, October 10, 2017: US09788113 (3 worldwide citation)

An example implementation may involve receiving, via a network interface, an indication that the first playback device is calibrated. The implementation may also involve updating a calibration state variable to indicate that the first playback device is calibrated based on receiving the indication t ...


8
Tetsuro Oishi, William H Bush: Playback device configuration based on proximity detection. Sonos, McDonnell Boehnen Hulbert & Berghoff, August 22, 2017: US09743208 (3 worldwide citation)

Embodiments described herein involve configuring a playback device based on the detection of a barrier in proximity to the playback device. One embodiment may involve receiving proximity data that includes an indication of a barrier that is proximate to a playback device; detecting that the barrier ...


9
Timothy Sheen, Dayn Wilberding: Speaker calibration. Sonos, McDonnell Boehnen Hulbert & Berghoff, June 27, 2017: US09690271 (3 worldwide citation)

An example implementation may involve a control device displaying (i) a prompt to prepare a playback device for calibration within a given environment, (ii) a prompt to prepare the given environment for calibration of the playback device, and (iii) a prompt to prepare the control device for calibrat ...


10
Timothy W Sheen: Playback device calibration. Sonos, McDonnell Boehnen Hulbert & Berghoff, July 11, 2017: US09706323 (3 worldwide citation)

Examples described herein involve calibrating a playback device for a playback environment based on audio signals detected by a microphone of a network device as the network device moves about the playback environment. While the playback device is playing a first audio signal and the network device ...



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