Coding and decoding system for speech and musical sound

Details Coding and decoding system for speech and musical sound Coding and decoding system for speech and musical sound

1998-03-24

2000-08-08

Hudspeth, David R.

Data processing: speech signal processing, linguistics, language

Speech signal processing

For storage or transmission

704220, G10L 1904

Patent

active

061014648

ABSTRACT:
A coding and decoding system includes a first filter for representing an input signal with first linear prediction coefficients indicative of a coarse spectral distribution of the input signal, a second filter for representing the input signal with second linear filter means connected in series with or parallel to the second filter for representing the input signal with third linear prediction coefficients indicative of a periodic component of the input signal. A coding and decoding of the input signal is performed on the basis of parameters of the input signal which is produced on the basis of a residual signal between the input signal and a reproduced signal obtained through the first, second and third filters.

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