Agood Audio Converter Ultimate Free - Version 4.0 Agood Audio Converter Ultimate Free can let you convert versatile video and audio files to all popular audio formats so that you can instantly receive what you need. You will be amazed at the fast speed and good quality. It can convert AVI to MP3,WMV to AAC,FLV to WAV etc.Compared to other software, Agood All Audio Converter Ultimate Free features supporting versatile video and audio formats. Input AVI,WMV,MPEG,MP4,ASF,VOB,3GP,iPhone,MOV,FLV video files and MP3,AAC,AC3,AMR,M4A,OGG,WAV audio files to convert them to so comprehensive popular audio files including MP3,AAC,AC3,AMR,M4A,OGG,WAV with high speed and good quality.You will have full control over the encoding parameters including audio quality, sample, channels and volume to get the best audio quality.Facing the powerful functions,you must get the max satisfaction!