MSM7602-001 データシートの表示（PDF） - Oki Electric Industry

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MSM7602-001

Echo Canceler

Oki Electric Industry 

¡ Semiconductor

MSM7602

HOW TO USE THE MSM7602

The MSM7602 cancels (based on the RIN signal) the echo which returns to SIN.

Connect the base signal to the R side and the echo generated signal to the S side.

Connection Methods According to Echos

Example 1:

Canceling acoustic echo (to handle acoustic echo from line input)

MSM7602

ROUT

RIN

Acoustic echo

CODEC

AFF

SIN

+

–

+

SOUT

CODEC

H Line input

Example 2: Canceling line echo (to handle line echo from microphone input)

Microphone input

MSM7602

RIN

ROUT

CODEC

SOUT

AFF

– + + SIN

CODEC

H

Line echo

Example 3:

Canceling line echo in a cascade connection

(to handle line echo from microphone input)

Microphone input

MSM7602

RIN Master ROUT

CODEC

SOUT

AFF

– + + SIN

CODEC

Slave

AFF

PD0 - 15

H

Line echo

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