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[ZRocker]

What's the difference?

Should one method sound 'better' than the other...or just 'different'?

Does one method require less CPU cycles than the other?

Also, what is Disk Writer playback for?

My apologies if this has been answered in another thread...on a quick look, I didn't see any info on this.

[Matt]

DirectSound and WaveOut should sound identical unless your drivers do special processing (EAX, etc.) under only one of the two.  I would imagine that in theory, DirectSound could be more efficient, but both take so little CPU that it's not even really possible to measure.

One nice thing about DirectSound is that it'll mix with the output of DirectX games, so you can listen to tunes while you run full screen DirectX stuff.  (waveout just goes silent)

And diskwriter will dump what would be played to .wav files.  (and maybe compressed formats later)  You can use it to make DSP / cross-faded CD's, among other things.

-Matt