Chalk one up to ingeniuity.
Way to go, Eric. It's a fine concept, what I wondered though is the
first posters question of syncing with the actual audio file once again
back out of the render sequence. The player or creator programs might
still offset the image/sound. Just being pessimistic.
Now for the optimistic comment, "This is a great thing you are doing".


Eric Andersen wrote:
> 
> GrimDude wrote:
> >
> > Sounds to me like you have a professional package for this?
> 
> Nope.  Here are the rough details:
> 
> I used a shareware oscilliscope program to output frequency data to a
> text file.  Then, using a text editor I formatted the data into the form
> required by POV.  Within the scene file, the frequency data is read in
> and used to scale and texture objects, carefully coding so that the time
> index of the current frame is synchronized with the music (!).  One
> could create, (like i have), a sphere that pulsates with each bass note.
>  Since each "frame" of sound data is much shorter than 1/30 second, a
> "snapshot" approach can generate a very accurate but somewhat jerky
> animation.  I'm working on ways of smoothing out the animations without
> bogging down too much under all the extra MB's of sound data.
> I also plan to modify this code for lip-sync.
> If you're really interested in the nitty-gritty, let me know and I'll
> share some old code--but be warned it's all specialized and full of
> goofy junk.  Also, I work on a mac, which shouldn't make much of a
> difference, but sometimes there are compatability issues.
> 
> Ya know, tho_... some of my best results in sync-ing audio and video
> have come from purely random collage.  It's amazing how things just seem
> to line up on their own.
> 
> -E

-- 
 omniVERSE: beyond the universe
  http://members.aol.com/inversez/POVring.htm
=Bob

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