Re: OSRL Presents: A World Exclusive - SCAMP has arrived

[supertimer@aol.com (Supertimer)]

CUTblakeney@home.com (Jeff Blakeney) wrote:

>cturley2@aol.com (Cturley2) wrote:
>
>>Stereo is the default sound mode. If you don't have a stereo card, present
and
>>active in your IIgs, then you can't have stereo sound. Thus, you could set
the
>>sound mode to Internal and avoid any needless demands to your IIgs CPU.
>
>First off, what makes people think that Oversampler can play stereo
>sound samples?  As far as I can tell from the documentation and from
>the fact that this program is designed to play raw binary sounds,
>Oversampler does not support stereo sound samples.  The Output option
>is just to allow the program's volume control to work properly with
>either a stereo output card or the internal speaker or to output to
>only the left or right channel exclusively.  The programmer says in
>the documentation that the left and right channel options he wasn't
>sure why he included them but they could be used to test you stereo
>output card for operation.  :-)
>
>The final clue that Oversampler doesn't support stereo samples is the
>fact that the WAV files in question here are 8 bit, 11,025 Hz stereo
>samples.  According to the Oversampler documentation, that would mean
>setting the frequency option to 214 or 215 (11025 / 51.406 = 214.47).
>However, a stereo sample has both channels in a file so the file
>becomes twice as big so if you played it as a mono sample you would
>have to play it at twice the frequency to get it to sound right.  This
>would mean setting Oversampler's frequency option to 428 or 429 (22050
>/ 51.406 = 428.94).  As this is pretty darn close to the 420
>suggested, I'd say that the stereo sample is being played as a mono
>file.

Actually, I'm pretty sure Oversampler does support stereo.
Just listen to a stereo wave play back.

As for the frequency settings, it only makes sense you
need twice as fast a hard drive to play a stereo wave as
you would a mono wave.  The author should have changed
the frequency bar to represent stereo (divide the number
in half), but the documentation gives a clue to why he did
not.  He is using those numbers to tell how fast the hard
drive needs to be to play a particular sample.  Thus, while
214 should mean 214 in stereo and 214 in mono, since
the hard drive must work twice as hard in stereo, the
author probably left it at 428 instead to reflect the
increased hard disk demand.

Lastly, a stereo wave would not sound right if you play
it through a program that only supported mono no
matter how fast you set the playback rate.  ;-)