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Jax et al., 2006 - Google Patents

A scalable wideband add-on for the G. 729 speech codec

Jax et al., 2006

View PDF
Document ID
13750536477948335055
Author
Jax P
Geiser B
Schandl S
Taddei H
Vary P
Publication year
Publication venue
ITG-Fachtagung Sprachkommunikation

External Links

Snippet

We present a technique to enhance the perceived speech quality in narrowband (NB, cutoff frequency fc= 3.4 kHz) speech communication systems, eg, implementing the ITU-T G. 729A codec [1]. Therefore, wideband (WB, fc= 7 kHz) capability is introduced. The limited acoustic …
Continue reading at ikspub.iks.rwth-aachen.de (PDF) (other versions)

Classifications

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    • G10L19/02—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
    • G10L19/0212—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 orthogonal transformation
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    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
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