Re: GS Sound Question

[Drew <goggledrew@gmail.com>]

On 10 Mar, 22:15, Polymorph <mike.a.steph...@gmail.com> wrote:
> On Mar 11, 12:09 am, lyricalnan...@dosius.ath.cx (Steve Nickolas)
> wrote:
>
>
>
> > Drew wrote:
> > > Hi,
>
> > > I am trying to work out what the correct left and right channel is for
> > > GS audio as had some conflicting information and before isstart to put
> > > the GS stereo cards together i want to make sure 100% its all
> > > correct :). Is there a program that anyone knows of that shows this
> > > easily? (or a demo).
>
> > > What i had thought was the right channel was questioned yesterday when
> > > i plugged in my Audio Animator and it produced sound out of the
> > > "wrong" side. The Emulators i have tested matches my view of what
> > > should be the right channel, but thought i would post here before
> > > commiting to a side :)
>
> > > Drew
>
> > Arkanoid 2's "break into the next level" sound seems to come out of the
> > wrong channel (imho) in KEGS?  Dunno if that's true of a sound card too.
>
> > -uso.
>
> Hi Drew,
>
> Apple IIgs Technote #19 states:
> "Apple standards require stereo expansion cards to map all even output
> channels
> to the right and odd channels to the left.  To be compatible with
> cards that
> decode more than two of the chip's output channels, software should
> use
> channel zero for right and channel one for left.  This convention
> ensures that
> output is always positioned properly in the stereo space with channel
> zero
> information going to the right front and channel one information going
> to the
> left front."
>
> Hope this helps!
>
> Cheers,
> Mike

Thanks that's brilliant Mike.