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

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      Author
      Erzin, Engin
      Çetin, A. Enis
      Date
      1993-04
      Source Title
      IEEE International Conference on Acoustics, Speech and Signal Processing. Proceedings
      Print ISSN
      0736-7791
      Publisher
      IEEE
      Pages
      25 - 28
      Language
      English
      Type
      Conference Paper
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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 interframe 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 vector resulting from prediction is vector quantized.
      Keywords
      Mathematical models
      Poles and zeros
      Polynomials
      Root loci
      Sampled data control systems
      Signal filtering and prediction
      Spectrum analysis
      Speech recognition
      Speech synthesis
      Vectors
      Vocoders
      Interframe differential vector coding
      Line spectrum frequencies
      Linear predictive coding (LPC) filters
      Speech coding
      Permalink
      http://hdl.handle.net/11693/27811
      Published Version (Please cite this version)
      https://doi.org/10.1109/ICASSP.1993.319219
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      • Department of Electrical and Electronics Engineering 3524
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