System and method to reduce echoes in voice communications

Details System and method to reduce echoes in voice communications System and method to reduce echoes in voice communications

2006-04-11

2006-04-11

Tran, Quoc (Department: 2643)

Telephonic communications

Diagnostic testing, malfunction indication, or electrical...

Of hybrid or echo suppressor or canceller

C379S024000, C379S406010, C379S394000, C379S403000, C379S404000, C370S286000

Reexamination Certificate

active

07027562

ABSTRACT:
A system and method to reduce echoes in voice communications are described. Input data containing return loss values of a communication trunk within a communications network is received, the return loss values being measured at each frequency of a plurality of frequencies within a predetermined frequency band. An optimum transhybrid balance impedance is calculated from the input data. Finally, the optimum transhybrid balance impedance is transmitted to a user for further processing.

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