HOELPER et al., 2005 - Google Patents

LPC Quantization and Interpolation in Coding for Speech Storage Applications

HOELPER et al., 2005

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Document ID
261568957854062489
Author
HOELPER C
FRANKORT A
Publication year
Publication venue
IEEE Proc

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Snippet

In this paper, personalized quantization of the filter coefficients of Linear Predictive Coding (LPC) is studied. The study covers two aspects. On the one hand, a signal-adaptive algorithm which determines when to transmit a set of LPC coefficients is introduced. This …
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Classifications

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    • G10L19/00—Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signal, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signal, using source filter models or psychoacoustic analysis using predictive techniques
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    • G10L19/0204—Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signal, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
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    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • G—PHYSICS
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    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation

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