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M65854

DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT

Mitsumi 

PRELIMINARY M65854FP 50 soNmoeticpear;aTmheistriisc

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DIGITAL ECHO

WITH

MITSUBISHI SOUND PROCESSOR ICs

MICROPHONE MIXING CIRCUIT

SE

KARAOKE

RI

E

S

FUNCTION DESCRIPTION

(1) AUTO RESET

Settings are reset automatically when the IC is powered up. The reset state is

automatically canceled approximately 150msec after powering up(Vcc=5V and the

capacitor connected to pin C=100µF).

By auto reset, operation mode setting become as follows.

•Source Selector : stereo

•Phase Shifter Surround Control : OFF

•Echo effect Volume : —

•Auto Vocal support Switch : OFF

•Microphone Volume Attenuation : -10dB

(2) AUTO MUTE FUNCTION

The IC carries out auto mute function at the time of powering up in order to suppress

shock noise that the digital delay may produce.

•At power up

Reset Time

Mute time

(400msec)

MITSUBISHI

ELECTRIC

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