On 01/19/2014 05:51 AM, Speldosa wrote:
I'm sorry that that I'm going off-topic here (well, it's not /that/
off-topic), but I thought that if I could find anybody who knew how to do
what I'm trying to achieve right now, it would be a hardcore LilyPond user
:)
Anyhow, I'm using LilyPond to output midi files of my SATB arrangements.
Now, I want to create individual mp3 rehearsal files for each voice. That
is, for sopranos, I want a file that is mixed so that the soprano part is
the loudest, for the altos I want the alto part to be the loudest, and so
on.
If you're using Frescobaldi, just set up a new score and on the Parts
tab, check the box for rehearsal MIDI files. Then, go into the
rehearsalMidi section of the generated score and make the following tweaks:
first,
\set Score.midiMaximumVolume = #0.6 instead of the default 0.5, which
gives (harmless) errors about (de) crescendos when it's equal to
MinimumVolume
next, add the following lines, in the same section:
\set Score.midiPanPosition = #RIGHT
\set Staff.midiPanPosition = #LEFT
This gives separate MIDI files for each part, with the chosen part on
the left and the other voices on the right.
The last step is to convert the MIDI files to MP3 with Timidity, and I
have a bash script in my ~/bin(called midi2mp3) to do that:
*********%<************
#!/bin/bash
for f in *.mid*;
do
timidity -Ow -o - "$f" | lame - $f.mp3;
done
*******%<***************
The above is known to work with LP 2.19 and requires timidity and lame.
I was delighted when the new midi functions came into LilyPond, as I
used to generate the MIDIs then open them with Rosegarden to set the
panning four times for each piece. With the new midiPanPosition
function, that's all done in the compilation step, and I heap praises on
the heads of all who have made it possible.
HTH
Colin
--
I've learned that you shouldn't go through life with a catcher's mitt on both
hands. You need to be able to throw something back.
-Maya Angelou, poet (1928- )
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