Voice-switched gain control for voice communication equipment connected to telephone lines
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United States of America Patent
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Dec 25, 1990
Grant Date -
N/A
app pub date -
May 30, 1989
filing date -
May 30, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Particularly though not exclusively for use in voice communication equipment concerned with voice storage and playback along telephone lines and having the extended networking facility for host computer-controlled direct connection between callers on a pair of lines, a method of and apparatus for improving voice quality in such a connection involving sensing the origination of voice on one of the lines and thereupon reducing signal attenuation between the lines to enable amplified gain transmission from that line to the other line of the pair, while increasing signal attenuation between the lines in the opposite direction to suppress signal communication in such opposite direction; and vice versa, when the voice signal originates on the other line.
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