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Número de pieza
componentes Descripción
AK7750VT Ver la hoja de datos (PDF) - Asahi Kasei Microdevices
Número de pieza
componentes Descripción
Fabricante
AK7750VT
Audio DSP with Built-in Hands-Free Phone Features
Asahi Kasei Microdevices
AK7750VT Datasheet PDF : 77 Pages
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[ASAHI KASEI]
[AK7750]
(1) Hands-Free Mode Diagram
Block Diagram
Speaker
D/A
DSP Block
Echo
Canceller
VAD
Filter
Tel. Line
Digital
OUT(8ch)
Digital
IN(8ch)
µ
P
I/F
Ctrl.
VAD
D/A
voice
SW
Filter
iFFT
Spectrum
FFT
Subtraction
Noise Canceller
I/F
ARM Processor
Filter
+
RAM
ROM
PLL
EEPROM
(2) Audio Surround Mode Diagram
Block Diagram
Speaker
D/A
DSP Block
Sound processing
(EQ,Surround,…)
A/D
Tel. Line
A/D
Mic.
A/D
Audio_in
Speaker
Digital
OUT(6(8))ch)
Digital
IN(8(10))ch)
µ
P
I/F
D/A
voice
SW
I/F
A/D
Audio_in
ROM
RAM
PLL
VAD
iFFT
Spectrum
Subtraction
FFT
Noise Canceller
ARM Processor
OFF
Block Diagram
EEPROM
[MS0296-E-00]
3
2005/03
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