CELP encoding/decoding method and apparatus

Details CELP encoding/decoding method and apparatus CELP encoding/decoding method and apparatus

2007-03-20

2007-03-20

Armstrong, Angela (Department: 2626)

Data processing: speech signal processing, linguistics, language

Speech signal processing

For storage or transmission

C704S220000

Reexamination Certificate

active

11007373

ABSTRACT:
A multi-codebook fixed bitrate CELP signal block encoder/decoder includes a codebook selector (22) for selecting, for each signal block, a corresponding codebook identification in accordance with a deterministic selection procedure that is independent of signal type. Included are also means for encoding/decoding each signal block by using a codebook having the selected codebook identification.

REFERENCES:
patent: 5754976 (1998-05-01), Adoul et al.
patent: 5778335 (1998-07-01), Ubale et al.
patent: 5991717 (1999-11-01), Minde et al.
patent: 6055496 (2000-04-01), Heidari et al.
patent: 6122608 (2000-09-01), McCree
Deller et al, 1987, Discrete Time Processing of Speech Signals, pp. 480-482.

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