Apparatus and method for encoding/decoding a speech signal using

Details Apparatus and method for encoding/decoding a speech signal using Apparatus and method for encoding/decoding a speech signal using

1996-10-25

1998-10-27

Hudspeth, David R.

Data processing: speech signal processing, linguistics, language

Speech signal processing

For storage or transmission

704223, 704229, 704219, 704222, G10L 702

Patent

active

058289968

ABSTRACT:
An encoding apparatus in which an input speech signal is divided into blocks and encoded in units of blocks. The encoding apparatus includes an encoding unit for performing CELP encoding having a noise codebook memory containing having codebook vectors generated by clipping Gaussian noise and codebook vectors obtained by learning using the code vectors generated by clipping the Gaussian noise as initial values. The encoding apparatus enables optimum encoding for a variety of speech configurations.

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