Obtaining content from remote source for playback

DC
  • US 9,213,357 B2
  • Filed: 10/17/2014
  • Issued: 12/15/2015
  • Est. Priority Date: 07/28/2003
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving, by a first playback device from a network device configured to control the first playback device and communicatively coupled to the first playback device over a local area network (LAN), control information comprising an address identifying a location of audio information available at an audio information source, wherein the audio information source is outside of the LAN; and

    after receiving the control information (i) obtaining, by the first playback device from the audio information source outside of the LAN, the audio information;

    (ii) transmitting, by the first playback device to a second playback device, the audio information, playback timing information associated with the audio information, and device clock information of the first playback device; and

    (iii) playing back, by the first playback device, the audio information in synchrony with the second playback device by using the playback timing information associated with the audio information and the device clock information of the first playback device to play back the audio information, wherein the first and second playback devices remain independently clocked during synchronous playback of the audio information.

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