Adaptive frequency dependent compensation for telecommunications

Details Adaptive frequency dependent compensation for telecommunications Adaptive frequency dependent compensation for telecommunications

1991-09-27

1994-01-18

Dwyer, James L.

Telephonic communications

Subscriber line or transmission line interface

For line length compensation

379406, 379401, H04M 100, H04M 900

Patent

active

052805255

ABSTRACT:
The quality of speech being transmitted in a telecommunication channel is enhanced by adaptively compensating for frequency dependent attenuation in the telecommunication channel. The frequency dependent attenuation in the telecommunication channel is dynamically determined and, then, compensated for by adaptively selecting and inserting an appropriate frequency dependent gain function in the telecommunication channel.

REFERENCES:
patent: 4468804 (1984-08-01), Kates et al.
patent: 4589131 (1986-05-01), Horvath et al.
patent: 4879748 (1989-11-01), Picone et al.
patent: 4991167 (1991-02-01), Petri et al.
patent: 5195132 (1993-03-01), Bowker et al.

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