Signal coding process and system for implementing said process

Details Signal coding process and system for implementing said process Signal coding process and system for implementing said process

1986-08-22

1990-07-10

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

375122, 381 31, H04B 1406

Patent

active

049411527

ABSTRACT:
A signal coding process more particularly suitable for coding a voice signal. At least a portion of the frequency bandwidth of said voice signal is split into several subbands, the content of which is then requantized using a dynamic allocation of requantizing levels throughout the subbands. The process is also made to provide optimal level allocations. The requantized signal samples throughout the subbands are packed into a binary word.

REFERENCES:
patent: 4142071 (1979-02-01), Croisier et al.
patent: 4216354 (1980-08-01), Esteban et al.
patent: 4455649 (1984-06-01), Esteban et al.
patent: 4535472 (1985-08-01), Tomcik
patent: 4622680 (1986-11-01), Zinser
patent: 4713776 (1987-12-01), Araseki

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