Method and apparatus for generating a stereo signal with enhanced perceptual quality

Method and apparatus for generating a stereo signal with enhanced perceptual quality

  • CN 101,855,917 A
  • Filed: 05/16/2008
  • Published: 10/06/2010
  • Est. Priority Date: 07/19/2007
  • Status: Active Application
First Claim
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1. audio process, have the stereophonic signal that strengthens perceived quality by using a M signal and a side signal to produce one, wherein, M signal represent the original left R channel with, the side signal is represented the poor of original left R channel, it is characterized in that:

  • described audio process comprises;

    One decorrelator is applicable to that a decorrelation that generates at least a portion M signal is represented and/or a decorrelation of at least a portion side signal is represented;

    One signal combiner, be applicable to generate a survey signal that strengthens, the expression and the decorrelation of part M signal of side signal represented to combine, the expression of side signal is represented with the decorrelation of part side signal and the decorrelation of part M signal is represented to combine or the expression of side signal is represented to combine with the decorrelation of part M signal and part side signal;

    AndMixer on the one centre-side by the expression of use M signal and the side signal of enhancing, generates the stereo quotation marks of the perceived quality with enhancing.

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