Dual Echo Canceler & Noise Canceler with Dual Codec for Hands-Free

GENERAL DESCRIPTION The MSM7731 is an IC device developed for portable, handsfree communication with built-in line echo canceler, acoustic echo canceler, and transmission signal noise canceler. Built-in to the voice signal interface is a linear CODEC for the analog interface on the acoustic-side,

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OKIOki Electric Cable Co.,Ltd

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Multifunction PCM CODEC (Voice Signal Processor)

文件：247.98 Kbytes 页数：43 Pages

OKIOki Electric Cable Co.,Ltd

冲电线日本冲电线株式会社

Multifunction PCM CODEC (Voice Signal Processor)

GENERAL DESCRIPTION\nThe MSM7731 is an LSI device developed for portable, handsfree communication with built-in line echo canceler, acoustic echo canceler, and transmission signal noise canceler. Built-in to the voice signal interface is a linear CODEC for the analog interface on the acoustic-side, • Single 3 V power supply operation (2.7 V to 3.6 V)\n• Built-in transmission signal noise canceler Noise attenuation: 13 dB (typ.) for white noise 40 dB (typ.) for single tone\n• Built-in analog input gain amp stage (max. gain = 30 dB)\n• Built-in transmit slope filter\n• Digital interface sync for;

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Multifunction PCM CODEC (Voice Signal Processor)

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Dual Echo Canceler & Noise Canceler with Dual Codec for Hands-Free

OKI

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