Transmitter, receiver and record carrier in a digital transmissi

Details Transmitter, receiver and record carrier in a digital transmissi Transmitter, receiver and record carrier in a digital transmissi

1993-04-19

1995-08-08

Chin, Stephen

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

395 238, 395 239, H04B 166

Patent

active

054405963

ABSTRACT:
The transmission system includes a transmitter for transmitting a sub-band-coded signal which is accommodated in a second digital signal (FIG. 2) having frames which incorporate allocation information, scale factor information and samples. In order to perform an additional signal processing operation on the received signal at the receiver end, the bit allocation information is already adapted for this purpose at the transmitter end. A signal processing control signal indicating which type of additional signal processing operation will have to be performed may be transmitted along with the information.

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IEEE ICASSP 80, vol. 1, 327-331, Apr. 9-11, 1980, M. A. Krasner, "The Critical Band Coder . . . Digital Encoding of Speech Signals Based On Perpetual Requirements of The Auditory System".

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