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ZL38002

Zarlink Semiconductor
Part Number ZL38002
Manufacturer Zarlink Semiconductor
Description Digital Echo Canceller
Published Mar 29, 2007
Detailed Description www.DataSheet4U.com ZL38002 Digital Echo Canceller for Hands Free Communication Data Sheet Features • • • • • • • • • •...
Datasheet PDF File ZL38002 PDF File

ZL38002
ZL38002

Overview
www.
DataSheet4U.
com ZL38002 Digital Echo Canceller for Hands Free Communication Data Sheet Features • • • • • • • • • • • • • • 112 ms acoustic echo canceller Up to 12 dB of noise reduction Works with low cost voice codec.
ITU-T G.
711 or signed mag µ/A-Law, or linear 2’s compliment Each port may operate independently in companded format or linear format Advanced NLP design - full duplex speech with no switched loss on audio paths Fast re-convergence time: tracks changing echo environment quickly Adaptation algorithm converges even during Double-Talk Designed for exceptional performance in high background noise environments Provides protection against narrow-band signal divergence Howling prevention stops uncontrolled oscillation in high loop gain conditions Programmable offset nulling of all PCM channels Serial micro-controller interface Idle channel noise suppression ST-BUS, GCI, or variable-rate SSI PCM interfaces Limiter ADV NLP January 2007 Ordering Information ZL38002QDG ZL38002...


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