Audio.au3 is designed for XP. I do not plan to offer support for Vista for I do not own a Vista PC. The only workaround I know of is to run your app in XP mode if using Vista. At this time I also do not plan to offer support for Windows 7. If someone wishes to help out with that, that would be great! ----------------------------------------------------------------------------- This expands on sound.au3, and can be used as a replacement. I combinds mixer.au3 and sound.au3, along with functions