The answer is “yes!” VeryDOC PowerPoint Converter v3.0 enables users to attach almost all formats files when converting ppt to flash,of course including sound files. You can insert sound file like mp3.wma.midi forms.Even you can record your own voice and insert it. After conversion, you can listen or see all of them.More features as follows.
Sound files
1. Support sounds for animation effects, support WAV, MP3, etc. formats.
2.Support sounds for slide transitions, support WAV, MP3, etc. formats.
3.Support music for slide.
4.Retain slide timing and sound effects
After conversion from ppt to flash,you can control the volume of the sound and you also can turn it off if you don’t like it by the control bar bellow.