Hi,
>One observation: The action is really, ....... The attached (fairly
>mechanical) MIDI file, generated by lilypond, demonstrates this.
>...but I wonder if that fast an action is typical.
Yes as Jim write, the action to sustain only note depressed before sostenuto
(i.e noteOn MIDI message received before sotenutoOn MIDI message) is
typical of sostenuto pedal behavior.
Your MIDI file example is interresting as an example to explain difference
between Sustain and Sostenuto pedal action.
I have modified your MIDI file (see attachement dodgy_sostenuto_sustain.mid) to
show that. Please display this MIDI file in
your notation program and read the following:
A) In your initial File (dodgy_sostenuto.mid):
1) First, notice that sostenuto pedal is in track 1 that contains a Bass Note
followed by a Chord on each bar.
2) Sostenuto pedaling is used on each bar at the beginning of the bar to
sustain the bass note during the whole bar.
But as the chord is played legato with the next bass note (on beat 1 of
next bar), playing Sustain pedal will produce the
same result than playing Sostenuto. So using Sustain pedal is more
convenient than Sostenuto.
B) And now in the modified File (dodgy_sostenuto_sustain.mid): Sostenuto is
used in bar 4 and 6 to sustain Bass note but not the chord.
The bass sound legato, but the chord sound staccato.
1) Bar 1: Sostenuto is played at the same time that Bass note G 1, so the Bass
will not be sustained.(Instead, it will be easier to use Sustain to sustain
Bass note).
2) Bar 2: Sustain is played (rather sostenuto), so the Bass note D1 will be
always sustained (no matter if noteOn is before or after sustainOn).
3) Bar 3: at 3.1.1 Sostenuto is played after Bass note G1 at 3.1.0, so the
bass will be sustained. (Instead, it will be easier to use Sustain to sustain
bass note).
4) Bar 4: at 4.1.1 Sostenuto is played after Bass note D1 at 4.1.0, so it will
be sustained like in Bar 2. But now the chord is played staccato,as the
sostenuto
pedal respect and maintains this playing. So you can hear the Bass note
sustained but not the chord that release before the end of bar.
5) Bar 5,6,7: i choose to play both Bass and chord 'legato' during the melody
part so we use Sustain. Bass note and chord are sustained even if chord are
played staccato.
6) Bar 8, Sostenuto is used, (like in Bar 4) and at the end of bar we hear only
the melody and the bass.
With Sostenuto, you can select which notes to sustain (here only the bass
note).Following notes are not sustained and can be played staccato at your
desire.
With Sustain it is not possible to play somes notes staccato. If you want to do
that you need to use Sostenuto.
The file FluidSostenuto.pdf gives details to combine both Sostenuto and Sustain
pedal.
Le 11/03/15, "R.L. Horn" <li...@eastcheap.org> a écrit :
> On Mon, 9 Mar 2015, CERESA Jean-Jacques ENAC/ENAC wrote:
>
> >A new ticket has been created: #136 [PATCH]: Adding Sostenuto code
>
> Formidable!
>
> One observation: The action is really, really, really fast (i.e.
> instantaneous). It sometimes (fairly often, in the case of sequencer- and
> notation software) happens that the note-on and sostenuto events are
> nominally simultaneous and not necessarily in the correct order. The
> attached (fairly mechanical) MIDI file, generated by lilypond, demonstrates
> this.
>
> Now, I don't have a problem with things as they stand -- if I want a sloppier
> pedal I can simply defer the sostenuto events a few hundredths of a second --
> but I wonder if that fast an action is typical.
>
>
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>
>
dodgy_sostenuto_sustain.mid
Description: application/mid
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