MSM7620 View Datasheet(PDF) - Oki Electric Industry

Part Name

Description

View to exact match

MSM7620

Echo Canceler

Oki Electric Industry 

¡ Semiconductor

MSM7620

Example 4: Canceling of both acoustic echo and line echo

(to handle both acoustic echo from line input and line echo from microphone input)

Acoustic echo

CODEC

ROUT

m-law

SIN

MSM7620

AFF

+

–

+

MSM7620

RIN SOUT

+

–+

SOUT RIN AFF

CODEC

SIN

m-law

ROUT

Microphone input

For acoustic echo

For line echo

Line input

H

Line echo

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