×

Systems and methods for syncronizing multiple electronic devices

  • US 9,961,656 B2
  • Filed: 10/26/2017
  • Issued: 05/01/2018
  • Est. Priority Date: 04/29/2013
  • Status: Active Grant
First Claim
Patent Images

1. A method comprising:

  • receiving, by a first audio playback device from a second audio playback device, a first time corresponding to audio data to be played by the first audio playback device as part of an audio playback group with the second audio playback device;

    receiving, by the first audio playback device from the second audio playback device, a timing signal;

    determining, by the first audio playback device based on the timing signal, a first difference between a clock of the first audio playback device and a clock of the second audio playback device;

    determining, by the first audio playback device, a second time based on (i) the first time and (ii) the first difference between the clock of the first audio playback device and the clock of the second audio playback device;

    playing, by the first audio playback device, the audio data at the second time according to the clock of the first audio playback device;

    after playing the audio data, determining a second difference between the clock of the first audio playback device and the clock of the second audio playback device, wherein the second difference is different from the first difference; and

    storing, in memory, data representing the second difference.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×