M65856 Mitsubishi, M65856 Datasheet - Page 16

• Manufacturer Part Number: M65856
• Description: DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT
• Manufacturer: Mitsubishi

Rch INPUT
Lch INPUT
(9) Vocal cut support
(10)Following is the phase shifter block, which makes phase surround effect.
channels are attenuated.
This made also allows components with lower frequency than the vocal band to pass
through the filter, to compensate insufficient low-frequency sound.
Source selector
Rch INPUT
The sound components of the same phase and same sound volume in the L and R
Lch INPUT
where C=0.15µF , cut off frequency is 53Hz.
LPF is formed by the internal R (20k ) and the external C,
fvc=
Vocal cut
(L+R)/2
Stereo
R
L
2 CR
1
DIGITAL ECHO WITH MICROPHONE MIXING CIRCUIT
Phase Shifter
Surround Circuit
=53.0Hz
vocal cut block
MITSUBISHI
ELECTRIC
37
Simulated Stereo
Stereo Surround
C
0.15µ
Surround
38
39
C(external)=0.022µF
MITSUBISHI SOUND PROCESSOR ICs
M65856SP
OUTPUT
Lch OUTPUT
Rch OUTPUT