i trying record through phone's mic , works low end devices. when record high end phones picking lots of surrounding noises. implementation 2.3 , above don't have api 16 available noise suppressor. please advice , in advance.
in forums have read mediarecorder.audiosource.voice_recognition have no gain control, filtering , eq applied needs pure signal. if thats true, in case.
in addition how programatically determine 1 not doing additional agc , filtering?
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