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I have a problem with my screen recorder. When i use MediaRecorder.AudioSource.MIC, my output video will have smaller sound than the video played in device that i recorded. This is my attributes in Media Recorder:

 private fun initializeRecorder() {
        val (width, height) = getWindowSize()
        mediaRecorder = MediaRecorder().apply {
            setAudioSource(MediaRecorder.AudioSource.MIC)
            setVideoSource(MediaRecorder.VideoSource.SURFACE)
            setOutputFormat(MediaRecorder.OutputFormat.MPEG_4)
            setOutputFile(getOutputFilePath())
            setVideoSize(width, height)
            setVideoEncoder(MediaRecorder.VideoEncoder.H264)
            setAudioEncoder(MediaRecorder.AudioEncoder.AAC)
            setAudioEncodingBitRate(AUDIO_BIT_RATE)
            setAudioSamplingRate(AUDIO_SAMPLE_RATE)
            setVideoEncodingBitRate(VIDEO_BIT_RATE_KILOBITS * 1000)
            setVideoFrameRate(VIDEO_FRAME_RATE)
            try {
                prepare()
            } catch (e: Exception) {
                e.printStackTrace()
            }
        }
    }

How can I record standard sound of system and sound in environment in output video? I want my sound in output video after recording is louder

本文标签： androidCombine audio from MIC and system in Media RecorderStack Overflow

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