Hello
It sounds like you know what you are talking about. I have never used CSound
for anything except creating
the lesson-files/share/sinus.orc file in solfege 3.14 and generated some
lesson files. So I cannot even try your example without digging into the
csound manual. And right now, I really have to finish 3.15.
I would really get better sound in the csound exercises. In addition to
something like a flute or violin, maybe a more percussive sound, for example
similar to a piano sound, would be useful. Can you send me a matching .orc
and .sco file when you have some sounds ready that I can feed directly to
CSound. I can modify two working files into exercises, but getting "f1 0
4096 10 1 1.25 0.95 0.8 0.6 0.4 0.2" to work with the existing score code in
the lesson files is beyond what I can do in 5 minutes...
Tom Cato
0-knowledge about csound
On Sun, Sep 20, 2009 at 12:24 AM, Tarmo Johannes <[email protected]>wrote:
> Hello!
>
>
> After some time I had a look to Solfege again and tried out some csound
> based intonation exercises. It is a ver-very important issue and really
> great that the exercises are there!
>
>
> I wrote it also to bug-repports (not really a bug though) but i write it
> also to the mailing-list, if anybody is busy writing new lesson files:
>
>
> I recommend to use a waveform (f-statement) with more harmonics in csound
> lessonfiles for intonation, especially in case of harmonic intervals:
>
>
> Instead of:
> f1 0 4096 10 1 ; use GEN10 to compute a sine wave
>
>
> use
>
>
> f1 0 4096 10 1 1.25 0.95 0.8 0.6 0.4 0.2 ; sine wave with 6 overtones
>
>
> or similar. You can experiment with the ratio and number of the harmonics.
>
>
> Why? - Two simultanously sounding notes are in tune when their harmonics
> coinside as much as possible. Otherwise you will hear the so called beating
> or pulsation. So it makes actually very little sense if the signal is just
> sine waves with no harmonics (as it is now). In reality, of course, there is
> no TRUE sine tone because all loudspeakers and also our ears add harmonics
> so we can still decide. But if we add the harmonics to the waveform (and it
> is so easy with csound!), making difference is so much easier!
>
>
> Have a look at
> http://code.google.com/p/solfege/issues/detail?id=137&q=csound for some
> examples.
>
>
> greetings!
> tarmo
>
>
> PS maybe the waveform I suggested is not the most beautiful one. It is
> something like flute but I did not take much care.. If yoy want me, I can
> experiment to find more musical one!
>
>
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--
Tom Cato Amundsen <[email protected]> http://www.solfege.org/
GNU Solfege - free ear training http://www.gnu.org/software/solfege/
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