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Industrial Automatic Control Systems and Controllers

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Low-speed Codec for Automated Systems Speech Management
A.P. Ryzhkov, A.A. Dvilyansky, N.A. Safronova, O.N. Katkov

A new direction is proposed for improving speech codecs used in automated voice control systems. This approach is based on the application of the procedure for the interdependence of speech decomposition elements in codebooks of speech encoding and decoding devices for automated systems with speech control. Taking this relationship into account in the speech codec makes it possible to lower the transmission rate while maintaining good quality of the speech signal.
Keywords: speech signal; automated system with speech control; speech codec; speech coding; vector quantization; codebook.


DOI: 10.25791/asu.9.2020.1217

Pp. 27-33.

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