Method and apparatus for time domain compression and synthesis o

Details Method and apparatus for time domain compression and synthesis o Method and apparatus for time domain compression and synthesis o

1981-12-28

1984-02-21

Kemeny, E. S. Matt

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

381 35, 381 53, 364717, 331 78, 84 101, G10L 100

Patent

active

044334346

ABSTRACT:
Compression and synthesis techniques and related apparatus for time domain signals, particularly signals whose information content resides in the power spectrum such as speech. Compression techniques include adjusting the phase of harmonic components of a signal unit to obtain an equivalent power spectrum signal of a minimum number of discrete levels. The invention finds application in speech compression and compact speech synthesis devices.

REFERENCES:
patent: 3968448 (1976-07-01), Stenning
patent: 4194427 (1980-03-01), Deutsch
patent: 4214125 (1980-07-01), Mozer et al.
patent: 4327419 (1982-04-01), Deutsch et al.
patent: 4395703 (1983-07-01), Piosenka
Harding, "Generation of Random Digital Numbers", Radio and Electronic Engineer, Jun. 1968 pp. 369-375.

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