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      • Department of Electrical and Electronics Engineering
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      Interframe differential coding of line spectrum frequencies

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      Author
      Erzin, E.
      Çetin, A. E.
      Date
      1994
      Source Title
      IEEE Transactions on Speech and Audio Processing
      Print ISSN
      1063-6676
      Publisher
      IEEE
      Volume
      2
      Issue
      2
      Pages
      350 - 352
      Language
      English
      Type
      Article
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      Abstract
      Line spectrum frequencies (LSF's) uniquely represent the linear predictive coding (LPC) filter of a speech frame. In many vocoders LSF's are used to encode the LPC parameters. In this paper, an inter-frame differential coding scheme is presented for the LSF's. The LSF's of the current speech frame are predicted by using both the LSF's of the previous frame and some of the LSF's of the current frame. Then, the difference resulting from prediction is quantized.
      Keywords
      Acoustic signal processing
      Predictive control systems
      Signal encoding
      Signal filtering and prediction
      Speech analysis
      Speech coding
      Speech synthesis
      Vocoders
      Permalink
      http://hdl.handle.net/11693/13623
      Published Version (Please cite this version)
      http://dx.doi.org/10.1109/89.279286
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      • Department of Electrical and Electronics Engineering 3339

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