MSM7581 Datasheet (OKI) - ITU-T G.721 4ch ADPCM TRANSCODER

MSM7581, ITU-T G.721 4ch ADPCM TRANSCODER

The MSM7581 is an ADPCM transcoder which is used by the new digital cordless system.

It converts 64 kbps voice PCM serial data to 32 kbps ITU-T G.721 ADPCM serial data, and vice versa.

This device is consists of four systems with full-duplex voice data channels and a data-through mode.

The MSM7581 p

MSM7581 Features

* Conforms to ITU-T G.721

* Built-in Full-duplex Transcoder with Four Data Channels

* PCM companding Law: A-law/µ -law selectable

* Serial PCM Data Transmission Speed: 64 kbps to 2048 kbps

* Serial ADPCM Data Transmission Speed: 32 kbps to 2048 kbps