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    Low Complexity CELP Speech Coding at 4.8 kbps

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    MS_92-10.pdf (3.871Mb)
    No. of downloads: 467

    Date
    1992
    Author
    Kao, Yu-Hung
    Advisor
    Baras, J.S.
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    Abstract
    Low bit rate, high quality speech coding is a vital part in voice telecommunication systems. The introduction of CELP (1982) (Codebook Excited Linear Prediction) speech coding provides a feasible way to compress speech data to 4.8 kbps with high quality, but the formidable computational complexity required for real-time processing has prevented its wide application. In this thesis, we reduce the computational complexity to 5 MIPS (million instructions per second), which can be handled by even inexpensive DSP chips, while maintaining the same high quality. We hope our contribution can finally make CELP coding a widely applicable technology.
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    http://hdl.handle.net/1903/5339
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    • Institute for Systems Research Technical Reports

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    DRUM is brought to you by the University of Maryland Libraries
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