G - Physics – 10 – L
Patent
G - Physics
10
L
G10L 21/02 (2006.01) H04M 9/08 (2006.01) H04R 3/02 (2006.01)
Patent
CA 2529593
A system for limiting a received audio signal in a communication system is provided. The receive audio signal is limited prior to being played over a loudspeaker to insure that the loudspeaker output will not be clipped when picked up by a nearby microphone associated with the communication system. By preventing clipping of the loudspeaker output at the microphone, the transfer function of the loudspeaker- enclosure- microphone system remains linear, facilitating accurate echo cancellation in the communication system.
Chu Clarence
Giesbrecht David
Haulick Tim
Schmidt Gerhard Uwe
Harman Becker Automotive Systems Gmbh
Harman Becker Automotive Systems-Wavemakers Inc.
Nuance Communications Inc.
Oyen Wiggs Green & Mutala Llp
Qnx Software Systems (wavemakers) Inc.
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