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D Cancels the Acoustic Echo Common in
Hands-Free Use of Cellular Phones in
Automobiles
– Eliminates Echo Created by Speaker
Output Feeding Back Into the
Microphone
D Suppresses Wind, Engine, and Tire Noise D Line Echo Canceler D Standard Independent
– IS-54B, IS-136, GSM, AMPS, IS-95
D Continuous, Automatic Adaptation to
Changing Acoustic Environment
– Initial System Training Not Required
D Based on TMS320C5x Platforms D Support for Industry Standard
Microcontrollers
D Interfaces Easily with TI’s Voice Codec, the
TCM320AC36
TMS320WP010 DIGITAL SIGNAL PROCESSOR
FOR AEC/LEC/ANS
SPRS040–OCTOBER 1995
D Acoustic Echo Canceler Performance
– Length of Echo Path up to 44 ms – Initial Adaptation Rate > 20 dB/s for
Speech Signals – Zero Speech Delay – Echo Return Loss up to 30 dB for
Speech Echo in
TMS320WP010 Datasheet
