From Bigasoft.com:

Bigasoft Audio Converter is an easy-to-use audio conversion tool provides a speedy way to convert favorite songs between almost all formats including MP3, WMA, M4A, AAC, AC3, WAV, OGG, etc. The digital to audio converter can be used as MP3 converter, WMA converter, M4A 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 also can 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.

Key Features:
1. Hear songs anywhere
Bigasoft Audio Converter provides a fast way to convert music formats to take your fantastic music anywhere and hear superb songs when you want. You can listen to your favorite songs on iPod, iPhone, BlackBerry, PSP, PS3, Zune, MP4 player, and so on.
2. Convert music files
The audio converter can help you easily convert audio between almost all formats including MP3, WMA, M4A, AAC, AC3, WAV, OGG, etc. The digital audio converter can be used as MP3 converter, WMA converter, M4A converter, and so on.
3. Convert MP3 audio
The MP3 audio converter makes it easy to convert MP3 to audio format WMA, M4A, AAC, and so on. The audio to mp3 converter is an all-in-one and super powerful MP3 audio conversion software.
4. Audio splitter
The smart audio splitter tool can easily trim an audio file into numerous individual sound tracks by as you will.
5. Enjoy music from music video
The video to audio converter allows you to extract audio tracks from all popular movies or music videos, such as AVI, MPEG, MP4, MPG, VOB, MKV, WMV, etc.
6. Batch conversion
7. Pause and resume conversion
8. Hear before conversion
9. Easy to use
10. Support multi-language
11. Support Windows Vista and Windows 7