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Apparatus, System and Method for Buffering Audio Data to Allow Low Power States in a Processing System During Audio Playback

  • US 20080082319A1
  • Filed: 09/29/2006
  • Published: 04/03/2008
  • Est. Priority Date: 09/29/2006
  • Status: Active Grant
First Claim
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10. A system comprising:

  • a processing system including an audio controller configured to control at least one audio data stream, the processing system having a plurality of power states including at least one low power state;

    an audio buffer coupled to the audio controller and external to the processing system, the audio buffer being configured to receive and buffer the at least one audio data stream from the audio controller; and

    an audio codec coupled to the audio buffer, the audio codec being configured to receive buffered audio data stream transferred from the audio buffer and to convert the buffered audio data stream into at least one audio output, the audio buffer being configured to transfer the buffered audio data stream to the audio codec independent of the at least one low power state.

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