Re: guitar/bass as a transposing instrument and midi

[bb]

Thanks,  I will try to apply \transposition pitch.

I was looking in the midi part of the manual. Logically for me, this
problem only relates midi?  

Could be nice to have something simple like
\transpose c c, {
\midi{}
}


Regards BB


Am 27.10.2017 um 14:22 schrieb David Kastrup:
> bb <address@hidden> writes:
>
>> A /transposing instrument/ is one in which the absolute pitches of the
>> notes played on the instrument are shifted up or down by a certain
>> amount, compared to how they are written in notation. \clef "treble_8"
>> for guitar takes account of, but is not always written, as that
>> transposing property ias a standard. Bass is a transposing instrument as
>> well. \clef "bass_8"works as well but I found it never written in any
>> bass notation.
>>
>> Writing tabulatures  can easily be corrected with \transpose in the 
>> \new TabStaff code section. 
>>
>> That does not work the easy way for midi. The resulting midi-sound is an
>> octave higher in tone.
>>
>> i cannot find a solution to lower the pitch for midi only. Every
>> \transpose alters the written notes as well. Eventually one has to write
>> an aditinal special music for midi? 
> Looking in the Notation manual under "Instrument transpositions"
>
> <http://lilypond.org/doc/v2.18/Documentation/notation/displaying-pitches#instrument-transpositions>
>
> I read:
>
>     When typesetting scores that involve transposing instruments, some
>     parts can be typeset in a different pitch than the concert pitch. In
>     these cases, the key of the transposing instrument should be
>     specified; otherwise the MIDI output and cues in other parts will
>     produce incorrect pitches. For more information about quotations,
>     see Quoting other voices.
>
>         \transposition pitch
>
>     The pitch to use for \transposition should correspond to the real
>     sound heard when a c' written on the staff is played by the
>     transposing instrument. This pitch is entered in absolute mode, so
>     an instrument that produces a real sound which is one tone higher
>     than the printed music should use \transposition d'. \transposition
>     should only be used if the pitches are not being entered in concert
>     pitch.
>
> So where did you look for a solution?
>