TBD
let audioConfig = AudioConfig(sampleRate: 16000, bitsPerChannel: 16, channelsPerFrame: 1)
let audioRecord = SimpleAudioRecord(audioConfig: audioConfig)
Before you start recording, you can set a callback function. This function will be called sequentially when it starts.
// set callback
audioRecord.onBufferReceived = { data in
// do something
}
audioRecord.startRecording()
audioRecord.stopRecording()