For the method and apparatus of the object-based audio signal of Code And Decode

For the method and apparatus of the object-based audio signal of Code And Decode

  • CN 101,542,596 B
  • Filed: 02/14/2008
  • Issued: 05/18/2016
  • Est. Priority Date: 02/14/2007
  • Status: Active Grant
First Claim
Patent Images

1. an audio-frequency decoding method, it comprises:

  • Receive reduction audio signal and object-based side information, described reduction audio signal comprises at least two reduction audio mixing soundRoad signal, and described reduction audio signal generates by the multiple object signal of reduction audio mixing;

    From described object-based side information, extract the channel allocation percent information with fixing value, described channel allocation ratioThe instruction of example information makes described object signal be assigned to the ratio of the described object signal of each reduction upmixed channels signal;

    According to described channel allocation percent information generate for by sound channel revise the amendment letter of described reduction upmixed channels signalBreath;

    AndRevise described reduction upmixed channels signal by described amendment information being applied to described reduction upmixed channels signal.

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