Bigasoft Audio Converter is an easy-to-use audio conversion tool which provides a speedy way to convert favorite songs between almost all formats including MP3, WMA, M4A, AAC, AC3, WAV, OGG, FLAC, CAF, AIFF, AU, RA, APE, Apple Lossless ALAC etc. The digital to audio converter can be used as MP3 converter, WMA converter, M4A converter, FLAC Converter, APE Converter and so on. Moreover, the MP3 audio converter supports batch conversion, thus you can process multiple conversions at the same time and set the start point and duration to hear your fantastic music clips. Additionally, the video to audio converter can also fast extract soundtracks from all popular movies or music videos, such as AVI, MPEG, MP4, MPG, 3GP, DivX, Xvid, ASF, VOB, MKV, WMV, H.264, etc. with perfect sound quality.