Expstudio Audio Editor does not only edit your audio files and save them in formats of your choice; it can also add special effects to your audio files, and has audio recording capabilities.
There’s a free version of Expstudio Audio Editor available for download, The Pro version is available for purchase for $34.95. At the time of writing, the program works with Win98/NT/Me/2000/2003/XP or Vista.
The only limitation of the free version compared to the Pro version is that the free version only allows you to save your audio files in WAV and MP2 formats. The Pro version, on the other hand, allows for conversion to MP3, WMA, OGG and VOX, among others.
Expstudio Audio Editor opens with a simple interface with a large, black middle section where the waveforms of your input video files would be displayed.
There are icons, lined up at the top and the left panel of the interface, representing important functions you would use when editing your audio files, functions such as insert silence, fade in and fade out, among others.