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Kernel-mode audio processing modules

  • US 7,667,121 B2
  • Filed: 01/24/2008
  • Issued: 02/23/2010
  • Est. Priority Date: 04/12/2000
  • Status: Expired due to Fees
First Claim
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1. One or more computer-readable media having stored thereon a module including a plurality of instructions for execution in kernel-mode that, when executed in kernel-mode by one or more processors of a computer, causes the one or more processors to perform acts including:

  • receiving a data packet including audio data;

    determining a difference between a current reference time and a presentation time of the data packet, wherein the current reference time is used by the module and at least one other module stored on the computer-readable media to maintain synchronization between the module and the at least one other module, and wherein the presentation time indicates a time that the audio data is to be played back;

    recording the determined difference;

    rendering the data packet if the presentation time is equal to or earlier than the current reference time; and

    queuing the data packet until the presentation time is equal to the current reference time if the presentation time is later than the current reference time.

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