Telephone terminal with control of voice reproduction...

Details Telephone terminal with control of voice reproduction... Telephone terminal with control of voice reproduction...

2004-10-20

2010-11-16

Jamal, Alexander (Department: 2614)

Telephonic communications

Substation or terminal circuitry

Noise suppression

Reexamination Certificate

active

07835515

ABSTRACT:
A telephone terminal (UE) comprises telephone signal receiver means (MER) and processing means (MT) adapted in the absence of voice activity to determine a level of comfort noise to be generated as a function of noise data and in the presence of received telephone signals representing voice signals to determine noise signals as a function of noise data and then to subtract at least a portion of said noise signals from the received telephone signals.

REFERENCES:
patent: 5475712 (1995-12-01), Sasaki
patent: 6259691 (2001-07-01), Naudus
patent: 2002/0156623 (2002-10-01), Yoshida
patent: 2003/0091182 (2003-05-01), Marchok et al.
patent: 0 665 530 (1995-08-01), None
patent: WO 00/31719 (2000-06-01), None
patent: WO 02/101722 (2002-12-01), None

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