Hekkus Sound System is a small and fast sound engine for WinCE/iPhone/Symbian/Win32/MacOSX/Linux/PSP/GP2X and .NET applications, expecially designed for games.
Latest release adds support for iPhone / iPod touch and Mac OS X through OpenAL and OGG Vorbis files support on all platforms.
Hekkus works seamless on a variety of mobile devices allowing you to forget about sound issues and write portable code for your multiplatform games.
It also support desktop platforms (Windows, Mac OS X and Linux) for fast developing purpose, write and test your game on desktop and play it on your mobile devices.
You can find more information at http://www.shlzero.com