AudioConfig
constructor( mimeType: String = MediaFormat.MIMETYPE_AUDIO_AAC, startBitrate: Int = 128000, sampleRate: Int = getDefaultSampleRate(mimeType), channelConfig: Int = AudioFormat.CHANNEL_IN_STEREO, byteFormat: Int = AudioFormat.ENCODING_PCM_16BIT, profile: Int = getDefaultProfile(mimeType), enableEchoCanceler: Boolean = true, enableNoiseSuppressor: Boolean = true)