m62464afp Mitsumi Electronics, Corp., m62464afp Datasheet - Page 4

• Manufacturer Part Number: m62464afp
• Description: Dolby Pro Logic Surround Decoder
• Manufacturer: Mitsumi Electronics, Corp.

FUNCTIONAL DESCRIPTION
12
11
13 Current control oscillation circuit
10
4
2
3
5
6 Pseudo Stereo Surround
7
8
9
1
Fundamental function for
Dolby Pro Logic Surround
Decoder
Circuit for Space Surround and
Echo
Digital Delay Time
Delay Effect Volume
Feedback Volume
Bypass Switch
Output Mute
RAM for Digital Delay
MCU Interface
C,S(L,R) ch Master Volume
C,S(L,R) ch Trimmer
FUNCTION
(
MITSUBISHI
4
ELECTRIC
-Adaptive Matrix
-Input Auto-Balance
-Noise Sequencer
-Center Mode Control
-Modified Dolby B type Noise Reduction
-4ch(L,R,C,S), 3ch(L,R,C) Mode Switch
Including the oscillation circuit without
external parts.
Short Delay
Long Delay
Delay Signal Feedback Volume
-3 to -21 dB/3dB step, and -
Delay Signal Effect Volume
0 to -18 dB/3dB step, and -
Controlled by 3-lines serial data from MCU
Including the Chip Address (2 bit)
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.
Bypass the decode circuit
Mute the Lch and Rch output
0 to -79dB/1dB step, and -
0 to -31dB/1dB step
10K-bit RAM
/
22
ON/OFF
WIDE/NORMAL/PHANTOM
15.4, 20.5, 25.6, 29.2, 51.2 msec
123, 184 msec
)
Dolby Pro Logic Surround Decoder
DESCRIPTION
MITSUBISHI SOUND PROCESSORS
M62464AFP