Mediarecorder.audiosource parameters

MediaRecorder.AudioSource.DEFAULT Default audio source

Voice_call: Set the audio source for voice dial out voice with each other speaking voice.
Mic: set the recording source to the microphone.
Camcorder: The recording source is the same as the camera microphone in the same direction, if the camera does not have a built-in camera or cannot be set, use a preset microphone.

Voice_communication the microphone next to the camera

Voice_downlink: downlink Sound

Voice_uplink: Uplink Sound

Voice_recognition: Speech recognition

Mediarecorder.audiosource parameters