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M62464AFP

Dolby Pro Logic Surround Decoder

Mitsumi 

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MITSUBISHI SOUND PROCESSORS

M62464AFP

Dolby Pro Logic Surround Decoder

FUNCTIONAL DESCRIPTION

FUNCTION

1

Fundamental function for

Dolby Pro Logic Surround

Decoder

DESCRIPTION

-Adaptive Matrix

-Input Auto-Balance

-Noise Sequencer

-Center Mode Control

ON/OFF

WIDE/NORMAL/PHANTOM

-Modified Dolby B type Noise Reduction

-4ch(L,R,C,S), 3ch(L,R,C) Mode Switch

2 C,S(L,R) ch Master Volume

3 C,S(L,R) ch Trimmer

4 RAM for Digital Delay

5 Circuit for Space Surround and

Echo

6 Pseudo Stereo Surround

7 Digital Delay Time

8 Feedback Volume

9 Delay Effect Volume

10 Bypass Switch

0 to -79dB/1dB step, and -∞

0 to -31dB/1dB step

10K-bit RAM

Digital delay circuit can be used for

Space Surround such as a Disco, Hall or Live,

and Karaoke echo.

Pseudo Stereo Surround is available in

Space Surround.

Short Delay

15.4, 20.5, 25.6, 29.2, 51.2 msec

Long Delay

123, 184 msec

Delay Signal Feedback Volume

-3 to -21 dB/3dB step, and -∞

Delay Signal Effect Volume

0 to -18 dB/3dB step, and -∞

Bypass the decode circuit

11 Output Mute

12 MCU Interface

13 Current control oscillation circuit

Mute the Lch and Rch output

Controlled by 3-lines serial data from MCU

Including the Chip Address (2 bit)

Including the oscillation circuit without

external parts.

MITSUBISHI

ELECTRIC

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