• DocumentCode
    1129204
  • Title

    Fast subband filtering in MPEG audio coding

  • Author

    Konstantinides, Konstantinos

  • Author_Institution
    Hewlett-Packard Co., Palo Alto, CA, USA
  • Volume
    1
  • Issue
    2
  • fYear
    1994
  • Firstpage
    26
  • Lastpage
    28
  • Abstract
    Subband filtering is one of the most compute-intensive operations in the MPEG audio coding standard. The author proves that the matrixing operations in MPEG subband filtering can be efficiently computed using fast 32-point DCT or inverse DCT (IDCT) algorithms.<>
  • Keywords
    audio signals; decoding; discrete cosine transforms; encoding; filtering and prediction theory; matrix algebra; telecommunication standards; MPEG audio coding; compute-intensive operation; fast 32-point DCT algorithm; fast 32-point IDCT algorithm; fast subband filtering; matrixing operations; Audio coding; Bit rate; Decoding; Discrete cosine transforms; Filtering algorithms; Filters;
  • fLanguage
    English
  • Journal_Title
    Signal Processing Letters, IEEE
  • Publisher
    ieee
  • ISSN
    1070-9908
  • Type

    jour

  • DOI
    10.1109/97.300309
  • Filename
    300309