32bit/Audio Codec
Audio Codec
TrueSpeech Codec
1. Please first try downloading FFDSHOW codec from the link below: http://sourceforge.net/projects/ffdshow-tryout/files/
2. Go to Windows Start Menu, select "ffdshow" and open the "Audio decoder configuration".
3. Under the "Format" column, find and click on "TrueSpeech", then change the Decoder from "disabled" to "libavcodec".
4. Click "Apply" button and close the window.
http://en.wikipedia.org/wiki/Truespeech