ZL38065 PDF Datasheet

ZL38065 32 Channel Voice Echo Canceller Data Sheet Features • Independent multiple channels of echo cancellation; from 32 channels of 64 ms to 16 channels of 128 ms with the ability to mix channels at 128 ms or 64 ms in any combination Fully compliant to ITU-T G.165, G.168 (2000) and (2002) specifications Passed all AT&T voice quality tests for carrier gr

ZL38001 Low-Voltage Acoustic Echo Canceller with Low ERL Compensation Data Sheet Features • • • • • • • • • • • Contains two echo cancellers: 112 ms acoustic echo canceller Works with low cost voice codec. ITU-T G.711 or signed mag µ/A-Law, or linear 2’s

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

ZL38003 AEC with Noise Reduction & Codecs for Digital Hands-Free Communication Data Sheet A full Design Manual is available to qualified customers. To register, please send an email to [email protected]. November 2005 Ordering Information ZL38003GM

ZL38004 Dedicated Voice Processor with Dual Channel Codec Data Sheet A full Design Manual is available to qualified customers. To register, please send an email to [email protected]. June 2006 Ordering Information ZL38004QCG1 100 Pin LQFP *Pb Free

ZL38010 Low Power Quad ADPCM Transcoder Data Sheet Features • • Full duplex transcoder with four encode channels and four decode channels 32 kbps, 24 kbps and 16 kbps ADPCM coding complying with ITU-T (previously CCITT) G.726 (without 40 kbps), and ANSI T