Re: midi file without dynamics

[Janek Warchoł]

2011/8/26 Stefan Thomas <address@hidden>:
> Dear community,
> although I think I can understand why the crescendi and decrescendi are not
> played back correctly on the longer notes in the below quoted snippet,
> I wonder why I can't hear at least the difference between forte and piano
> in bar 3 and 4.
> Is there a possibility to get a more accurate midi-file?
> Here is the snippet:
>
> \version "2.14.2"
> \include "articulate.ly"
> right = \relative c' { R1 dis1 ~ dis4. dis32 e-. d-. cis-. c16-.  r16 r8 r4
>   r2 r4     \times 4/5 {bes32->-. c-. cis-. d-. dis-.  } e8
> }
> left = \relative c' {
> R1*2
> r2 r4 dis4 ~
> dis4 ~ dis8.. d32-. dis-. e-. d-. des-. c16-. r <a cis d es>16 r r8
> }
> dynamics  = {
> s1
> s1\fp
> s4. s16  s16\> s2\p
> s2   s8\f\> s8\p s4\f
> }
>
>
> \score {
> \unfoldRepeats  \articulate {
>   \new PianoStaff
>   <<
>     \new Staff  { \set PianoStaff.midiInstrument = #"accordion" \context
> Voice << {\right} {\dynamics } >> }
>     \new Staff { \context Voice << {\left} {\dynamics }>> }
>   >>
>     }
>   \midi { }
> }

I get an error when compiling the above with 2.14.1 (i don't suppose
there should be much difference from 2.14.2): "programming error:
Impossible or ambiguous (de)crescendo in MIDI."
When i delete first three measures of music and dynamics, file
compiles and dynamics in MIDI are correct.

cheers,
Janek