AVS Audio Converter will help you convert, edit, create ringtones. Convert audio files between MP3, FLAC, OGG, AAC, M4A, M4B, M4R, AMR, WMA, VOX and other formats with AVS Audio Converter. Use batch mode to convert and work with several files at one go. Specify frequency, number of channels, bitrate and other parameters of your output files before conversion.