WMA video file format :
Short for Windows Media Audio, a Microsoft file format for encoding digital audio files similar to MP3 though can compress files at a higher rate than MP3. WMA files, which use the “.wma” file extension, can be of any size compressed to match many different connection speeds, or bandwidths.
Best way to cut/trim/split WMA file :
GiliSoft Video Editor — Cut/trim/split WMA file.
1) Launch GiliSoft Video Editor
Once installed GiliSoft Video Editor, Launch GiliSoft Video Editor.
2) Select one way to cut WMA file
There are 3 ways to cut WMA file in the easy video editing software:
a) Easy Video/Audio Cutter - Cut one WMA file to several small WMA clips.
b) Batch
Video/Audio Cutter - Cut wanted WMA clips from a lot of WMA files
c) Advanced Video/Audio Cutter - Cut wanted WMA clip after video editing(added watermark,subtile...)
3) Load File
Click 'Add File(s)' button, Select "WMA - Windows Media Audio " in its "Files of type" combo box.
Add your WMA file, GiliSoft Video Editor will preview your WMA file directly.
4) Select Start time, and End time.
5) Click 'Start' button to start to cut your WMA file.
GiliSoft Video Editor is very powerful WMA Splitter and WMA Cutter, split WMA, cut WMA without re-encode, So It is very fast and without any quality loss.