Il giorno lun, 23/05/2011 alle 16.34 +0300, Dmytro O. Redchuk ha
scritto:
> On Sun 22 May 2011, 21:47 Federico Bruni wrote:
> > I think that there are some wrong pitches in this snippet:
> > http://lilypond.org/doc/v2.13/Documentation/snippets/fretted-strings#fretted_002dstring-harmonics-in-tablature
> >
> Please, anyone, i need help!-)
>
>
> > Can you check it?
> >
> > I would write as in the attached file (see diff).
> What is wrong there?
>
> What is the problem?
>
> Which issue "Summary" would you propose?
>
> Thank you!
>
Sorry, I was too concise.
It's not a LilyPond issue (a bug), just a doc issue which can be fixed
immediately.
You can see in the diff file (now I've placed the git version first and
my edits after, which makes more sense).
In the artificial harmonics section, the harmonics are too high.
If I put my finger on 4th fret of 3rd string and I pluck the 17th fret,
then the sounding pitch is b' (one octave higher, not two).
This is the same for the two following notes.
In the pinched harmonics section, there's a wrong note.
If I play the harmonic on 5th fret of 4th string I hear a d'', not a g'.
And so on.
I think it's pretty clear, but I might be missing something.
So we just need a guitar player, or someone who knows something about
physics (this is definitely not me), to confirm it.
Cheers,
Federico
--- /home/fede/lilypond-master/Documentation/snippets/fretted-string-harmonics-in-tablature.ly 2011-05-02 22:10:38.405733175 +0200
+++ fretted-string-harmonics-in-tablature.ly 2011-05-22 21:42:10.729005582 +0200
@@ -46,20 +46,20 @@
harmonics = {
%artificial harmonics (AH)
\textLengthOn
- <\parenthesize b b''\harmonic>4_\markup{ \teeny "AH 16" }
- <\parenthesize g g''\harmonic>4_\markup{ \teeny "AH 17" }
- <\parenthesize d' d'''\harmonic>2_\markup{ \teeny "AH 19" }
+ <\parenthesize b b'\harmonic>4_\markup{ \teeny "AH 16" }
+ <\parenthesize g g'\harmonic>4_\markup{ \teeny "AH 17" }
+ <\parenthesize d' d''\harmonic>2_\markup{ \teeny "AH 19" }
%pinched harmonics (PH)
\pinchedHarmonics
<a'\harmonic>2\startTextSpan
- <g'\harmonic>4
+ <d''\harmonic>4
<e'\harmonic>4\stopTextSpan
%tapped harmonics (TH)
<\parenthesize g\4 g'\harmonic>4_\markup{ \teeny "TH 17" }
<\parenthesize a\4 a'\harmonic>4_\markup{ \teeny "TH 19" }
<\parenthesize c'\3 c''\harmonic>2_\markup{ \teeny "TH 17" }
%touch harmonics (TCH)
- a4( <e''\harmonic>2. )_\markup{ \teeny "TCH" }
+ a4( <e'\harmonic>2. )_\markup{ \teeny "TCH" }
}
frettedStrings = {
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