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Method and apparatus for encoding and decoding audio information

DC
  • US 5,479,562 A
  • Filed: 06/18/1993
  • Issued: 12/26/1995
  • Est. Priority Date: 01/27/1989
  • Status: Expired due to Term
First Claim
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1. An encoder for the encoding of audio information comprising signal samples, said encoder comprisingmeans for receiving said signal samples,subband means, including adaptive bit allocation means, for generating subband information comprising digital words in response to said signal samples, wherein said adaptive bit allocation means allocates an adaptive number of bits to represent at least a portion of at least some of said digital words, and wherein at least a portion of some of said digital words is represented by an invariant number of bits, andformatting means for assembling digital information including said digital words into a digital output having a format suitable for transmission or storage, wherein said formatting means places said portion of digital words represented by an invariant number of bits into one or more pre-established positions within a frame of said digital output.

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