On Wed, 27 Feb 2013, Dirk Vogel wrote:

> I'd also like to be able to use custom UI elements (probably this
> depends more on QT or any other IDE I may choose). But the language I'll
> use must offer a sound library with the specific ability of time
> stretching and pitch shifting of sound files. Meaning: my program uses
> sounds of a certain length and frequency that may be altered or in terms
> of duration (without changing their pitch) or, on the contrary,
> regarding their pitch (but not the duration).
>
> So my question is: does this kind of library exist? As I have no idea as
> to how and where to look for it, I hope someone may just tell me.

I don't know if it exists, but if you find it available for Java, then you 
can program in JRuby with a very good interface to the Java libraries.

Since you are new to Ruby, I wanted to point out the existence of Ruby 
that runs on the JVM.

-- Matt
It's not what I know that counts.
It's what I can remember in time to use.