Yes, compile with the flag -framework coreaudio And it shall be found. Juha > i do not seem to have CoreAudio,h anywhere on the machine, but there is a > CoreAudio in > System/Library/Frameworks/CoreAudio.framework/Versions/A > > > > Pat Pagano, Director > South East Just Intonation Society > http://www.screwmusicforever.com/SHREESWIFT/ > > >