Method and apparatus for coding an information signal using dela

Details Method and apparatus for coding an information signal using dela Method and apparatus for coding an information signal using dela

1998-09-11

2000-09-05

Dorvil, Richemond

Data processing: speech signal processing, linguistics, language

Modification of at least one characteristic of speech waves

Transformation of speech into a nonaudible representation,...

704207, 704216, G10L 914

Patent

active

061136530

ABSTRACT:
An open-loop delay contour estimator (204) generates delay information during coding of an information signal. The delay contour is adjusted according to an error minimization criterion on a subframe basis, which allows a more precise estimate of the true delay contour. A delay contour reconstruction block (211) uses the delay information in a decoder in reconstructing the information signal.

REFERENCES:
patent: 5704003 (1997-12-01), Kleijn et al.
Dror Nahumi and Willem Bastiaan Kleijn, "An Improved 8 Kb/s RCELP Coder," Proc. IEEE Workshop on Speech Coding for Telecommunications, p. 39-40, Sep. 1995.

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