H - Electricity – 04 – M
Patent
H - Electricity
04
M
H04M 7/00 (2006.01) H04M 3/00 (2006.01) H04M 3/40 (2006.01)
Patent
CA 2052253
The quality of voice signals transmitted by a telephone station set, or similar device, are enhanced in accordance with the steps of the instant method before such signals are delivered to a receiving telephone station set by restoring the level of speech energy attenuated by the transmitting set, in which such restoration is performed at a point along a telephone connection between the transmitting and receiving telephone stations, for example, at a point within a telecommunications system which establishes the connection.
Bowker Duane O.
Ganley John T.
James James H.
American Telephone And Telegraph Company
Kirby Eades Gale Baker
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