Use Free Video to Mp3 Converter to extract sound from your videos.
Free Video to Mp3 Converter lets you rip the soundtrack of any video and save it to MP3. Add files, choose where you want to save them to, and pick the format you want to extract to. There are 9 basic format options, as well as a set of sub-options within each group. By clicking Free Video to Mp3 Converter's little magic wand icon, you'll also be able to create your own presets.
Free Video to Mp3 Converter offers some other nice options too, namely the ability to add tags to your MP3s and create auto-naming conventions. There are also some basic configurations under Settings, the nicest of which is the auto-shutdown feature for when your conversions have finished. You can also tweak Free Video to Mp3 Converter with various skins.
With Free Video to MP3 Converter you can extract the sound track from any video and save it to MP3 in a very easy way.