Introduction
The microphone array module is designed by Sipeed based on theMSM261S4030HO digital microphone chip.The module has high voice recognition sensitivity and signal-to-noise ratio, and can be used in soundsource localization, voice recognition, beamforming and other demanding occasions.
Module parameters
1、Microphone: 6+1 MSM261S4030HO form
2、Lighting: 12 LEDs are cascaded through dual signal lines
3、Interface: 10P FPC and 2*5P 2.54mm terminal
4、Supply voltage: 5V@ 800mA
5、Module size: 78.1mm*88.8mm6、Working temperature: -30°℃ ~85℃
MEMS micro phone
1、Sound pressure level: 140 dB SPL
2、Sensitivity: -26(dB, dBFS @1kHz 1Pa)
3、Signal-to-noise ratio: 57dB(20kHz bandwidth
4、THD2k)
5、Clock frequency:1.0-4.OMhz (normal mode) 150-800khz (low power mode)
Software development
1、MaixPy provides an interface for operating binocular cameras
2、Development environment: MaixPy IDE, PlatformlO IDEArduino IDE etc.
3、Programming languages: C, C+ + , MicroPython
