game-editor.com

Set loop to infinite.

Set pan and volume without restarting the sound.

(This way the pan and volume of a sound could track an actors position on the screen. )

You would also need a way to stop the sound when the actor was destroyed...

OK

PlaySound returns a handle to that sound (or 0 for error).

Once playing you can adjust volume and pan on that channel.

setPan(chan, amount);
setVol(chan, amount);
setMute(chan, value);

Another pretty standard item is the mute switch. Lots of cool effects to be had with one of these...

Ultimately you want to build a sophisticated sample playback system that includes pitch and even envelope control... later down the track maybe?

setPitch(chan, amount);

PlaySound will can returns the channel to do this