Ryan,  thanks for the info.  I will have to do more reading. 

Thanks
Michael

On Jan 20, 2008 4:38 PM, Ryan Schmidt < ryandesign@macports.org> wrote:

On Jan 19, 2008, at 22:53, Michael Franz wrote:

>> I don't see a port for alsa (Advanced Linux Sound Architecture?)
>
> Is there an equivalent package on Darwin that might work as a valid
> replacement?  What is the sound library on Darwin?

This would be the place to look for information about how audio works
in Mac OS X...

http://developer.apple.com/audio/