Circuit arrangement for the selective compression or expansion o

Details Circuit arrangement for the selective compression or expansion o Circuit arrangement for the selective compression or expansion o

1978-09-20

1980-02-26

Mullins, James B.

Amplifiers

Combined with automatic amplifier disabling switch means

330 85, 330109, 330151, 333 14, H04B 164

Patent

active

041908066

ABSTRACT:
A compander system is described, in which the `compression` and `expansion` modes are established by the selective use of a compression or expansion circuit as such or as a negative feed-back branch for a back-coupled amplifier.

REFERENCES:
patent: 3631365 (1971-12-01), Dolby
patent: 3769612 (1973-10-01), Yamazaki
patent: 3911371 (1975-10-01), Nakamura et al.
patent: 3983505 (1976-09-01), Ishigaki et al.

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