器件名称:
MT9315AP
功能描述:
CMOS Acoustic Echo Canceller
文件大小:
354.0KB 共30页
简 介:
Obsolescence Notice This product is obsolete. This information is available for your convenience only. For more information on Zarlink’s obsolete products and replacement product lists, please visit http://products.zarlink.com/obsolete_products/ CMOS MT9315 Acoustic Echo Canceller Advance Information Features Contains two echo cancellers: 112ms acoustic echo canceller + 16ms line echo canceller Works with low cost voice codec. ITU-T G.711 or signed mag /A-Law, or linear 2’s comp Each port may operate in different 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 Offset nulling of all PCM channels Serial micro-controller interface ST-BUS or variable-rate SSI PCM interfaces User gain control provided for speaker path (-24dB to +21dB in 3dB steps) AGC on speaker path DS5038 ISSUE 3 February 1999 Ordering Information MT9315AP MT9315AE 28 Pin PLCC 28 Pin PDIP -40 °C to + 85 °C Handles up to 0 dB acoustic echo return loss and 0dB line ERL Transparent data transfer and mute options 20 MHz master clock operation Low power mode during PCM Bypass Applications Full duplex speaker-phone for digita……
