M65851FP Ver la hoja de datos (PDF) - Renesas Electronics

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M65851FP

Single Chip Karaoke Processor

Renesas Electronics 

M65851FP

Function List

M65851FP provides the following functions and can configurate all Karaoke functions with only a single chip.

Function

Digital echo

Digital key control

Digital surround

Phase shifter

surround

Equalizer

Source selector

Scoring function

Help vocal function

Voice key control

Music search

Others

Explanation

Built in 16 K SRAM

Delay time (changeable)

100 ms, 130 ms 150 ms, 200 ms

Built in 16 K SRAM

–8 to +8

17 steps

Built in 16 K SRAM

Digital Surround

10 ms to 50 ms 5 kinds

Changeable the effect thanks to

the external R

Bass/Treble

–12 dB to +12 dB/2 dB

13 steps changeable

Provided all multiple voice soft,

L, R, (L+R)/2,

Vocal cut

L-R (for digital surround)

Key control bypass

Scoring the MIC vocal input

Usable or Not

Key Set

Not Key

Mode

Set Mode

c

c

c

×

U

c

Switch with

the Echo

c

c

c

c

c

c

c

c

At the MIC vocal is nothing,

c

c

reference vocal is mixed output.

Input the MIC voice to key

c

×

control (change voice tone)

Detect to line input level

c

c

MCU interface

Current control type

oscillation circuit

Automatic mute

Automatic reset

c

c

Remarks

At key set mode

Capable of use echo or surround

Not key set mode

Capable of use both echo and

surround

Capable of use both key control

and echo

Bass: Resonance type

Treble: Filter type

Compare the reference vocal and

MIC vocal frequency

At key set mode

capable to use voice key control

or key control

At music input is nothing, key

control level is reset automatically

REJ03F0172-0201 Rev.2.01 Jan 25, 2008

Page 3 of 27

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