yamnet_start_recording

fun startRecording() {
        mRecorder = AudioRecord.Builder().setAudioSource(AUDIO_SOURCE)
            .setAudioFormat(AUDIO_FORMAT)
            .setBufferSizeInBytes(BUFFER_SIZE)
            .build()

        done = false
        mRecording = true
        mRecorder?.startRecording()
        mThread = Thread(readAudio)
        mThread!!.start()
}