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METHOD AND APPARATUS FOR ENCODING AND DECODING AN AUDIO SIGNAL

  • US 20090216542A1
  • Filed: 06/30/2006
  • Published: 08/27/2009
  • Est. Priority Date: 06/30/2005
  • Status: Active Grant
First Claim
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1. A method of decoding an audio signal, comprising:

  • receiving an audio signal and header identification information indicating whether a header is included in an ancillary signal, the audio signal including a downmix signal and the ancillary signal;

    extracting configuration information from the header when the header is included in the ancillary signal according to the header identification information;

    decoding the audio signal based on the configuration information,wherein the configuration information includes at least one of time align information and position information of a time slot,the time align information indicates a time delay between the ancillary signal and the downmix signal when the ancillary signal being embedded in the downmix signal is transported.

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