Frequency domain speech coding

Details Frequency domain speech coding Frequency domain speech coding

1988-08-21

1990-08-14

Harkcom, Gary V.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

G10L 500

Patent

active

049493833

ABSTRACT:
Adaptive bit allocation to the channels of a sub/band coder (or to the coefficients of a transform coder) by using a fixed set of numbers of bits, only the selection of those channels to which the available bits are assigned being varied.

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patent: 4589130 (1986-05-01), Galand
patent: 4713776 (1987-12-01), Araseki
Ramstad, "Sub-Band Coder with a Simple Adaptive Bit-Allocation ALgorithm", IEEE ICASSP 82, pp. 203-207.
Crochiere--"On the Design of Sub-Band Coders for Low-Bit-Rate Speech Communication", Bell System Technical Journal, vol. 56, pp. 747-779 (may-Jun. 1977).
IEEE Transaction on Acoustics, Speech and Signal Processing, vol. ASSP-27 No. 5, Oct. 1979, pp. 512-530, IEEE, New York, U.S.; J. M. Tribolet et al.; "Frequency Domain Coding of Speech".
Zelinski et al., "Adaptive Transform Coding of Speech Signals", IEEE Transactions on Acoustics, Speech, and Signal Processing, vol. ASSP-25, No. 4, Aug. 1977, pp. 299-309.
Crochiere et al., "Digital Coding of Speech in Sub-Bands", Bell System Technical Journal, vol. 55, No. 8, Oct. 1976, pp. 1069-1085.

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