wma audio_bitrate [+24, 32, +48, 56, 64, +96, 112, +128, 160, +192, 224, +256, 320] mp3 audio_bitrate [8, 16, 24, 32, 40, 48, 56, 64, 96, 112, 128, 160, 192, 224, 256, 320] wav audio_bitrate none m4a audio_bitrate [6, 8, 12, 16, 24, 32, 48, 56, 64, 96, 112, 128, 160, 192, 224, 256, 320] …