Telephonic communications – Audio message storage – retrieval – or synthesis
Patent
1989-05-30
1990-12-25
Brown, Thomas W.
Telephonic communications
Audio message storage, retrieval, or synthesis
379 89, 379345, 379347, H04M 340, H04M 350
Patent
active
049809083
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.
REFERENCES:
patent: 2964598 (1960-12-01), Parker
patent: 3591735 (1971-07-01), Brooks
patent: 3660603 (1972-05-01), Andersen
patent: 4165449 (1979-08-01), Vachon
patent: 4573140 (1986-02-01), Szeto
patent: 4663777 (1987-05-01), Szeto
patent: 4700382 (1987-10-01), Means et al.
patent: 4831651 (1989-05-01), Vesterinen
Brown Thomas W.
Voicetek Corporation
LandOfFree
Voice-switched gain control for voice communication equipment co does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Voice-switched gain control for voice communication equipment co, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Voice-switched gain control for voice communication equipment co will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1169092