MSM7617 Datasheet (OKI electronic componets)

MSM7617, 2-Channel Echo Canceler

The MSM7617 cancels echoes (acoustic or line echoes) generated in voice channels.

It is a lowpower CMOS LSI device with two channels.

MSM7617 echo canceling is performed by digital signal processing.

It negates echoes by estimating the echo channel and then generating a pseudo-echo signal.

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MSM7617 Features

* Echo canceler has two channels, which can be used for acoustic and line echoes. Set as a single cross-connected channel, it can be used for both acoustic and line echoes.

* ITU-T G164/G165 standard tone disabler.

* PCM line level adjustment possible with SIN level attenuator (