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Products > Audio Processor Products
Vocal DSP Processor
Digital Karaoke Solutions
Part No.   Operation
Voltage
Package Audio Input Audio Output DSP DSP algorithm MCU control I/F
M3303 Core Voltage 1.08~1.32V
IO Voltage  3.0V~3.6V
LQFP 64 Analog Mic input
Digital I2S RX
Analog Stereo
Digital I2S TX
90MIPS Reverb
EQ
Voice Changer
AFS
Yes
M3309 Core Voltage 1.08~1.32V
IO Voltage 3.0V~3.6V
LQFP 64 Analog Mic input
Digital I2S RX
Analog Stereo
Digital I2S TX
90MIPS Reverb
EQ
VoiceChanger
Autotune
AFS
Yes
Acoustic Feedback Suppressor
Part No.   Operation
Voltage
Package Audio Input Audio Output DSP DSP algorithm MCU control I/F
M3311 Core Voltage 1.08~1.32V
IO Voltage  3.0V~3.6V
LQFP 48 Analog Mic input
Digital I2S RX
Analog Stereo
Digital I2S TX
90MIPS EQ
AFS
Yes
M3302 Core Voltage  1.7~1.9V
IO Voltage  3.0V~3.6V
LQFP 64 Analog Mic input Analog Stereo 65MIPS EQ
Voice Changer
No
Voice Changer Solution
Part No.   Operation
Voltage
Package Audio Input Audio Output DSP DSP algorithm MCU control I/F
M3302 Core Voltage 1.7~1.9V
IO Voltage 3.0V~3.6V
LQFP 64 16 Analog Stereo Yes Analog Stereo 8-bit
Audio Box Solutions
Part No. Operating
Voltage
Package Audio Input Audio Output DSP DSP algorithm MCU control I/F
M3701 Core Voltage  1.08~1.32V
IO Voltage  3.0V~3.6V
LQFP 64 Analog Stereo, or I2S x1 Analog Stereo, 
or I2S x 1 (2.0ch)
90MIPS customized Yes
M3703 Core Voltage  1.08~1.32V
IO Voltage  3.0V~3.6V
LQFP 64 Analog Stereo, or I2S x1 Analog Stereo, 
+I2S x 1 (2.1ch)
90MIPS customized Yes