[comp.sys.apple2] Convolutions for sound playing

lwv27@CAS.BITNET (08/29/90)

Just a little note to give you Unix jocks a kick.  I was wondering this am,
since folks are always talking about how compatible the GS and Mac sound
files are, just how compatible are they?

I don't have a Mac or GS handy, but I do have a SPARCstation 1+.

So what?  Well, there is this program for the SPARC which converts a
Mac sound file into a SPARC sound file.

So, I tried it.

I had a copy of Marcel's unbit program laying around.  I had some sounds
in Executioner format which were posted ages ago to
comp.binaries.apple2 laying around.

So, after reading the header of unbit.c (someone NEEDS to write some
man pages for these utilities...) I deleted the appropriate text from
one of the sounds (maybe someone will update unbit.c to
ignore the leading info?).  I then ran unbit file.exe > file.bqy .  Then,
using nulib, I extracted the file.

Next, I ran the sound2sun program on that file.  Then SunOS 4.1's raw2audio
of the file.

Finally, with trembling fingers (not out of anticipation - that was a lot
of messing around and a number of fumbles) I typed play shallwe.au.

Eureka!  It worked just fine!

So those sound files ARE quite similar.

One request.  If you have sound files in an archive some where, indicate
what frequence, and perhaps volume?, that you used when you digitized.

It makes conversion much easier.
--
Larry W. Virden
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