Standard AAC Audio Template
<?xml version="1.0"?> <query> <format> <audio_bitrate>64k</audio_bitrate> <audio_channels_number>2</audio_channels_number> <audio_codec>libfaac</audio_codec> <audio_volume>100</audio_volume> <output>m4a</output> <file_extension>m4a</file_extension> </format> </query>