Analysis-by-synthesis linear predictive speech coder with restri

Details Analysis-by-synthesis linear predictive speech coder with restri Analysis-by-synthesis linear predictive speech coder with restri

1997-09-05

1999-11-23

Hudspeth, David R.

Data processing: speech signal processing, linguistics, language

Speech signal processing

For storage or transmission

704203, G10L 914

Patent

active

059917172

ABSTRACT:
An analysis-by-synthesis linear predictive speech coder is described. This speech coder has a synthesis part including an adaptive codebook for generating an adaptive excitation, means for generating a multi-pulse excitation and means for generating a transformed binary pulse excitation. The multi-pulse excitation generating means comprises means for generating pulses in restricted pulse positions. The multi-pulse excitation and the transformed binary pulse excitation are combined.

REFERENCES:
patent: 5488704 (1996-01-01), Fujimoto
patent: 5752223 (1998-05-01), Aoyagi et al.

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