Method and apparatus for performing conferencing services...

Details Method and apparatus for performing conferencing services... Method and apparatus for performing conferencing services...

2006-09-26

2006-09-26

Deane, Jr., William J. (Department: 2614)

Telephonic communications

Special services

Conferencing

C379S390020

Reexamination Certificate

active

07113580

ABSTRACT:
The present invention provides a method and apparatus for providing conferencing services in a converged services platform operable to perform a variety of enhanced telecommunications services. The advanced conferencing algorithm embodying the invention incorporates techniques in each of four signal processing categories including noise gating, echo suppression, automatic gain control and DTMF clamping are employed to produce a high perceptual quality conference output for a conference of several hundred participants, and which is computationally cost effective.

REFERENCES:
patent: 5724416 (1998-03-01), Foladare et al.
patent: 6175634 (2001-01-01), Graumann
patent: 6269161 (2001-07-01), McLaughlin et al.
patent: 6662211 (2003-12-01), Weller
patent: 2003/0185369 (2003-10-01), Oliver et al.
patent: 2005/0143989 (2005-06-01), Jelinek

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