High efficient signal coding method and apparatus therefor

Details High efficient signal coding method and apparatus therefor High efficient signal coding method and apparatus therefor

1996-09-30

1999-09-07

Dorvil, Richemond

Data processing: speech signal processing, linguistics, language

Speech signal processing

For storage or transmission

704224, 704229, G01L 302

Patent

active

059501561

ABSTRACT:
An apparatus and method for high efficient signal coding by separating frequency components obtained by converting an input signal into tone property component signals and the other component signals by using a mask level obtained based on the psychoacoustic model and coding these signals respectively to increase signal coding quality and efficiency.

REFERENCES:
patent: 5583967 (1996-12-01), Akagiri
patent: 5588024 (1996-12-01), Takano
patent: 5680130 (1997-10-01), Tsutsui et al.
patent: 5682461 (1997-10-01), Silzle et al.
patent: 5717821 (1998-02-01), Tsutsui et al.
patent: 5737720 (1998-04-01), Miyamori et al.
patent: 5758316 (1998-05-01), Oikawa et al.
U.S. Application Serial No. 08/374,518.

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