Controlling echo cancellation

Details Controlling echo cancellation Controlling echo cancellation

2005-09-06

2005-09-06

Harold, Jefferey F. (Department: 2644)

Telephonic communications

Echo cancellation or suppression

Disable or inhibit function

C379S406020, C379S406060

Reexamination Certificate

active

06940972

ABSTRACT:
Controlling echo cancellation includes receiving signals associated with a call. A signal of the signals is detected. Whether the detected signal is a high speed signal or a low speed signal is determined. Echo cancellation is disabled if the detected signal is a high speed signal. The echo cancellation is enabled if the detected signal is a low speed signal.

REFERENCES:
patent: 4658420 (1987-04-01), Fukushi et al.
patent: 5014307 (1991-05-01), Joffe et al.
patent: 5689556 (1997-11-01), Gupta et al.
patent: 6212374 (2001-04-01), Scott et al.
PCT International Search Report International Application No. PCT/US 03/20916, mailed Oct. 17, 2003, 7 pages.

Affiliated with

Also associated with

Rating

Controlling echo cancellation does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Controlling echo cancellation, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Controlling echo cancellation will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3413376