Re: [jazzplusplus-devel] It works on Fedora 12 AMD64...

[<vo...@ct...>]

----- Original Message ----- 
From: "Pete Stieber" <pst...@gm...>
To: <jaz...@li...>
Sent: Monday, July 05, 2010 10:25 AM
Subject: Re: [jazzplusplus-devel] It works on Fedora 12 AMD64...


> On 6/21/2010 2:49 PM, BV = Bob Vogel wrote:
> BV>>   * There is a wave2midi converter called WAON
> BV>> that will take a wave file and convert it to midi.
>
> On 7/4/2010 2:56 PM, Pete Stieber wrote:
>
> PS> Now that is a difficult problem!  I found
> PS> http://waon.sourceforge.net/ and checked
> PS> out the CVS repository.
>
> BV>> Perhaps that could be placed on the menu as an
> BV>> import for audio files. (?)
>
> PS> Sounds like an idea.  Have you built this code?
>

Hi Pete,

I did build waon. Often when I hear music, I can pretty much tell what is 
being played
and, if motivated, actually write a transcription. Sometimes I can't.
Anyway, I clipped a few bars from a recording that were puzzling, produced a 
wave file,
ran it through waon. The resulting midi file sounded pretty much like the 
original, so
I think it was a good test. You're right, this is a real challenge.

The midi output is hard to format for printing in a legible way. I tried a 
chain of programs
to do it:

Lilypond is an active project: http://www.lilypond.org/

See the description of Allegro at 
http://www.cs.cmu.edu/~music/music.software.html

Fomus (http://fomus.sourceforge.net/)



Since waon seemed to work pretty well, it occurred to me that a menu entry.
a file chooser, and a little scripting could incorporate it. But I only work 
with Linux
 code because I am unwilling to purchase windows development software.

> I managed to get this code built on a Linux box, and the code worked.
> This would take some work to incorporate into Jazz++.  Jazz++ is a
> cross-platform program, while WAON is Linux specific.  It would take
> some refactoring to replace some libraries used by WAON with those used
> by Jazz++, and some porting of other libraries to get everything working.
>
> I am interested in this.  I'm an electrical engineer by trade and the
> use of fast Fourier transforms and a spectrogram to determine pitch is
> interesting to me.
>
> I would also like to attempt a sheet music display.  I've look at a few
> code to get ideas, but haven't found anything that I could integrate
> quickly.  Have you looked into this?
>

Lilypond, see above, I believe could print notation cross platform.



> Pete
>
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