i would say that it is making up for other windows problems.  basically,
directx allows access directly to the  hardware instead of going through the
various software layers first.  i think windows is rather thick
software-wise.

pete



Ben Jefferys wrote:

> Gabriel Maldonado wrote:
> >
> > Kevin,
> > I have got a guitar controller too, a gk-2 with a gr-50, and there is a
> > noticiable dalay even with MIDI sinthesizers. The new version of
> > CsoundRT, called DirectCsound, uses directSound APIs to reduce the
> > delay.
>
> Does anyone know exactly why using DirectX is faster than the usual
> methods of audio output? I have another Windows-based program, Vaz,
> which exhibits a similar speedup when using DirectX. I was wondering
> if there was something amazing about DirectX, or if it was making
> up for a deficiency elsewhere in Windows.
>
> Bye!
> Ben.