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Playback device group volume control

  • US 10,447,221 B2
  • Filed: 08/13/2018
  • Issued: 10/15/2019
  • Est. Priority Date: 06/05/2013
  • Status: Active Grant
First Claim
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1. A tangible, non-transitory computer-readable medium storing instructions that, when executed by a processor, cause a first playback device configured to play back audio synchronously with a second playback device in a device group to perform functions comprising:

  • receiving input indicating a volume adjustment;

    in response to receiving the input,determining whether the first playback device is playing back audio synchronously with the second playback device;

    if the first playback device is playing back audio synchronously with the second playback device, adjusting audio data for playback based on the input and transmitting the adjusted audio data to the second playback device for playback; and

    if the first playback device is not playing back audio synchronously with the second playback device, determining whether the input indicating the volume adjustment is included in an information packet from the second playback device;

    if the input indicating the volume adjustment is included in an information packet from the second playback device, transmitting, to the second playback device, the information packet; and

    if the input indicating the volume adjustment is not included in an information packet from the second playback device, adjusting a volume of the first playback device based on the input.

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