Pitch shifting sounds

[Klaus Major]

Hi Jim,

> One of my students (age 11, more background below if you're 
> interested) wants to make a sound/music program. He wants to know how 
> to change the pitch of a recorded sound, like we could do in HC. For 
> example, to record "Doo" and then be able to play a scale with it. I'm 
> pretty sure there is no capability to do this directly in Rev (or is 
> there?) but are there externals to accomplish this? Any help on this 
> or other related sound functions would be appreciated.

Hmm, there is "the playrate" property of players, that will let you 
speed-up/slow-down the playback
of a player...

Not much, but maybe a start... ;-)

> (More background on us: I get to tutor two advanced middle school 
> students who are interested in programming, and in computer 
> applications in scientific research. I had their parents buy them Rev 
> back when it was $99 for an express license and they have really taken 
> off with it. We developed a program last semester to run 1- and 
> 2-dimensional cellular automata and they found some amazing things on 
> their own with it. They showed their results at a presentation at the 
> university here, demonstrating it live on Revolution, which I thought 
> was much cooler than all the other fancy PowerPoints we had to sit 
> through.

Definitively :-)

> We are continuing the project this semester and are developing a 
> program to investigate multi-state CA. The student mentioned above has 
> also made a good start at game programming on his own; he knows more 
> about how Geoff Canyon's battle game works than I do. I just can't say 
> enough about how great Rev is for teaching, and for getting students 
> interested in how things work, and empowering them to go where they 
> want with it. Keep it up RunRev, and don't forget about these kids 
> with very few resources -- they'll be your customers and evangelists 
> in a few years.)
>
> Jim Lyons

Regards

Klaus Major
klaus at major-k.de
www.major-k.de