Re: [Rosegarden-user] Humanizing MIDI tracks

[Fernando A. Martin]

I'm the one who some months ago asked for an automatic strummer/arpeggiator
function and also asked for a custom key signature creator. As Michael said
above he doesn't have plans to implement it by now.
So we have both ways to deal with by now:
1 - For strumming arpeggiated chords: we can place each note of the chord
in a different segment and then set the delay of each segment. I think this
is faster than writing the whole chord in a single segment and then
changing the delay of each note individually.
2 - For key signature: you can choose any key signature you want. Then if
you're going to input notes using mouse and keyboard, before typing a note
hold ctrl and then place the note and it'll be flat or before typing the
note hold shift and then place the note and it'll be sharp. (Currently I've
been writing arabic music then imagine how laborious it is write staves in
maqamat hijaz (D Eb F# G A Bb C D) or Saba (D Eb F Gb A bB C D) without
custom key signatures. The best way I found was to hold ctrl or shift.)

2016-04-14 8:16 GMT-03:00 :

> With respect to all the issues with respect to notation, compositional
> aids, humanized tracks, etc:
>
> I kinda hate to bring it up, but perhaps the RoseGarden developers should
> take a look at another Open Source project --- Impro-Visor
> and "lift a whole bunch of tools out of it.
>
> As computers continue to get more powerful, I can envisage the two
> projects merging.  Right now, nearly all professionals using Impro-Visor
> and the vast majority of students generate files they touch up and
> orchestrate in RoseGarden.
>
> Such an application would not be "thin", I've got around 2000 cores
> working on Impro-Visor routinely with another thousand or so readily
> available, so that is serious music AI.  RoseGarden then applies serious
> leverage to Impro-Visor results.
>
> OK, I've said it.  A live grenade in the room.
>
> Have fun,
>
>
>
> >
> >
> > On 14/04/2016 03:32, D. Michael McIntyre wrote:
> >> On 04/13/2016 06:52 PM, Silas Mortimer wrote:
> >>
> >>> No problem. I just need to work out how to add the arpeggio notation
> >>> in Lilypond.
> >>
> >> It's hacky and weird.  Use the text tool.  Choose type "LilyPond
> >> Directive" and insert an "Arp."
> >>
> >> That prints the squiggly arpeggio symbol on the score.  I never gave
> >> Rosegarden the ability to represent this natively, and no one else ever
> >> bothered either, so this is what we've got.  Hacky and weird.
> >
> > IMHO Rosegarden *shoud not* become / be a fully-fledged notation /
> > lilypond editor and focus on being the (great) free (as in freedom)
> > sequencer it is :)
> >
> > I mean, I don't want to bash discussions etc. about notation, but
> > Rosegarden already has some of the best notation support for any
> > sequencer around, and personally I would like to see (possible) effort
> > go into bugfixing and improvements in the sequencer / production
> > department.
> >
> > Randomization, 'humanisation', groove quantize etc. (the subject of the
> > thread) would be cool and are IMHO part of those possible improvements ;)
> >
> > Just my two cents :)
> > Lorenzo.
> >
> >
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Re: [Rosegarden-user] Humanizing MIDI tracks

[Fernando A. Martin]

I found this topic interesting. Once I tried to make a percussion ensemble
with several latin percussion instruments. But some different percussion
instruments when played at exactly the same time sound like a single
instrument. At that time I added some delay to some notes manually. It was
a laborious task. But recently I found an option that could do this
quickly. Select one or more segments, go to the left pane "special
parameters" / segment parameters / delay. Then choose the appropriate delay
and all the notes in the selected segments will be played with that delay.
(See the attached file. Measures 1-4 have no delay. Then hear the
difference in measures 5-8 with delay.)
What happens in a real ensemble is that musicians don't play their
instruments at exactly the same time. There's a delay of some mileseconds
from one to another. You can simulate this with the feature above. The
leading musician would start at the exact measure and others would receive
small delays. That combined with interpret function would create very
realistic music.

2016-03-29 8:06 GMT-03:00 Lorenzo Sutton :

>
>
>
> >
> > Further to the above, RoseGarden can use the Hydrogen drum synthesizer so
> > if you are looking for just randomization of rhythm that would be a way
> to
> > go.  On physical pitched instruments real humans don't actually make
> > "random" errors but instead tend to particular errors due to physical
> > difficulty of executing that part of the performance.
>
> I think there is a difference between systematic errors (e.g. a hard to
> play part, physical constraints of an intrument) or intentional
> deviations from what a sequencer reproduces when perfectly quantizing
> (e.g. rallentando, crescendo, sforzando...) and the 'natural' randomness
> in tempo and velocity deriving from a human playing.
>
> Ideally the former should be intentially 'programmed' in the MIDI
> writing on a sequencer. The second can be addressed by adding some
> randomness in tempo (note onsets, duration) and velocity.
>
> Hence the use of
> > "Amateur" soundfonts when one wants to simulate a high school band or
> > drunken performers.
>
> I think that it's much easier to do some randombess by hand in the
> matrix editor in Rosegarden than editing a soundfont to get that effect.
> It wouldn't be that hard to implement a live 'randomizer' e.g. in Pure
> Data but then you'd have to playback the midi and re-record it in
> Rosegarden which would be a bit cumbersome.
>  From a meta-programming/logical point of view randomization isn't that
> hard, once you establish the max randomisation (maybe a percentage of
> something) you just cycle through all notes and change e.g. note onset.
> I know easier said than done, but I'm sure some of the code which
> already does bulk operations on selected notes (e.g. velocity changes)
> could be reused? :)
>
> Of course a humanizer/randomiser could be part of a wider 'groove
> quantize' feature for Rosegarden, but I imagine that would be rather
> complicated.
>
> Lorenzo.
>
>
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delay.rg
Description: audio/rosegarden
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Re: [Rosegarden-user] Play function doesn't work anymore

[Fernando A. Martin]

I'm using rosegarden + alsa + timidity. I tried all the PCM... options and
the cursor moves during playback but no sound is played (except the first
note of the measure where the cursor was when I hit play).
So the PCM... options solve the issue that the cursor doesn't move during
playback but create another that is the issue that the cursor moves but no
sound is played.

2016-10-22 4:42 GMT-02:00 Abrolag <abro...@users.sourceforge.net>:

> On Fri, 21 Oct 2016 22:09:21 -0200
> "Fernando A. Martin" <fernandomartin...@gmail.com> wrote:
>
> > Good and bad news:
> > Some minutes after writing this message I recalled that recently I
> updated
> > my linux kernel to 4.8.3. Then I removed kernel 4.8.3 and went back to
> > kernel 4.7.5. Now Rosegarden is able to play correctly again.
> > It's nice to have things working again but it seems that something in the
> > newest linux kernels are breaking the play function of rosegarden. Can
> > anyone else test this? If it's true, can developers do something to make
> > rosegarden play function work with new linux kernels?
> > Thanks.
>
> Agree with Michael. This is almost certainly the timer source. I find the
> most
> reliable (and accurate) is the soundcard one. Look for something like
> "PCM playback 0-0-0"
>
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[Rosegarden-user] Play function doesn't work anymore

[Fernando A. Martin]

Hi.
I use Rosegarden 16.06 in PCLinuxOS. It always has been fine. But after
some recent updates on my system the play function on Rosegarden doesn't
work anymore.
No matter if I'm using alsa or jack to make connections, neither if I'm
using timdity or qsynth as output. I can hear the notes when I type them,
what shows that the connection has been done. But when I try to play any
file it behaves as it is playing something, the new, open and delete track
button get gray, but the cursor doesn't move and no sound is played. I can
move the cursor using page up ann page down but no sound is played. It
happens at any of the windows of Rosegarden, in the main window, notation
editor, matrix editor etc. No matter if I click on the play button or if I
press ctrl+Enter or only the small right enter key, the result is the same:
it prepares to play the file but cursor doesn't move and doesn't play
anything at all. Furthermore it happens with any file. Even old files that
played right.
Can anyone help me, please?
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Re: [Rosegarden-user] Play function doesn't work anymore

[Fernando A. Martin]

Good and bad news:
Some minutes after writing this message I recalled that recently I updated
my linux kernel to 4.8.3. Then I removed kernel 4.8.3 and went back to
kernel 4.7.5. Now Rosegarden is able to play correctly again.
It's nice to have things working again but it seems that something in the
newest linux kernels are breaking the play function of rosegarden. Can
anyone else test this? If it's true, can developers do something to make
rosegarden play function work with new linux kernels?
Thanks.
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Re: [Rosegarden-user] Play function doesn't work anymore

[Fernando A. Martin]

I tested kernel 4.8.8 and now it's working again.

2016-11-12 17:57 GMT-02:00 Abrolag <abro...@users.sourceforge.net>:

> On Sat, 12 Nov 2016 19:00:13 +
> "J.P. Morris" <j...@it-he.org> wrote:
>
> > On Fri, 21 Oct 2016 21:37:38 -0200
> > "Fernando A. Martin" <fernandomartin...@gmail.com> wrote:
> >
> > If anyone's posted an update on this, I've missed it.
> > I've upgraded the kernel to 4.8.7 and this appears to have fixed
> > the regressions.  Rosegarden is happy now.
> >
> > The changelog for 4.8.7 includes the following:
> >
> > "The recent rewrite of the sequencer time accounting using timespec64
> >  in the commit [3915bf294652: ALSA: seq_timer: use monotonic times
> >  internally] introduced a bad regression.  Namely, the time reported
> >  back doesn't increase but goes back and forth.
> >
> >   The culprit was obvious: the delta is stored to the result (cur_time =
> >   delta), instead of adding the delta (cur_time += delta)!
> >
> >   Let's fix it."
>
>
> It's almost reassuring that the 'big boys' can make such an obvious typo.
>
> I needed that :¬)
>
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>
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Re: [Rosegarden-user] Rulers in notation editor don't appear

[Fernando A. Martin]

Michael himself started a bug report on sourceforge.
Here's what we found:
Michael's words:
"As discovered by Fernando A. Martin, Add Control Ruler to add, for
example, a reverb control ruler does not work in the notation or matrix
editors in Qt5 builds running on KDE 5. Did not determine if this also
happens on other desktops. Qt4 builds running on KDE 5 are not affected by
this bug.

Bug #1542 discusses mostly cosmetic issues arising from running on a KDE
that is built with the same Qt version as Rosegarden. This bug involves
functionality that is completely missing and broken under these conditions."


Fernando Martin's words:

"Hi Michael.
I tried to install XFCE on Manjaro using the graphical package manager
Octopi. (Later I found documentation saying that this proccess should be
done using command line.) The result was a very damaged XFCE desktop,
almost unusable. But at least I was able to activate Whisker menu, launch
Rosegarden and open notation editor. Under XFCE, rulers appeared in
notation editor at very first click.
Now we have at least one thing tested: The bug didn't happen in XFCE, a GTK
based DE. So it seems that the bug is related to QT5 builds running on
KDE5."


If you want to check, it's bug report number #1543.


Thank you for testing too.

2017-01-04 12:09 GMT-02:00 Lorenzo Sutton <lorenzofsut...@gmail.com>:

> On 04/01/17 00:07, Fernando A. Martin wrote:
> > Hi.
> >
> > I'm using Manjaro Linux, regularly updated, with KDE 5 (Plasma 5) and
> > Roegarden 16.06-2. However in notation editor I'm not being able to open
> > any ruler. If I open a notation segment and then click click on the
> > button "Add Control Ruler" and choose any of the rulers not one of them
> > appears. I can try the same using the menu View / Rulers / Add Control
> > Rulers and choose one of the rulers that nothing appears.
> >
> > I used the first compilation of Rosegarden 16.06 in PCLinuxOS and didn't
> > have the same problem. (I had a lot of issues with audio apps in pclos
> > but this one.)
> >
> > So, is it some issue specific to Manjaro or KDE 5 or is it a new bug of
> > the new compilations of Rosegarden?
> >
> > Can you help me with this situation, please?
>
> I guess this is not of much help for the situation, but here on Fedora
> 24 XFCE with Rosegarden 16.13 (compiled 2a405f6b90 i.e. I guess probably
> the latest or very recent SVN) and Qt 5.6.2 (default distro package),
> the rulers work in both notation and matrix editors.
>
> Maybe try, if you can, compiling the latest SVN version and see what
> happens?
>
> Lorenzo.
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[Rosegarden-user] Is there a new release coming ahead?

[Fernando A. Martin]

Hi.
The last official release of Rosegarden was 16.06, about 10 months ago.
I was able to compile a development snapshot, that I'm using instead of
16.06. But in Linux distros they don't use to release snapshots. They just
take the last official release (or an older one in some very stable
distros), package and distribute it.
The development snapshot is very nice, with many bugs fixed. It's working
very nicely. But if it's not officially released it won't enter the repo's
of almost all distros out there.
Are there plans about when the next Rosegarden version will be released?
Thanks.
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[Rosegarden-user] What about using AppImage?

[Fernando A. Martin]

Hi.
Rosegarden has never been distributed by developers, compiled for specific
distributions. Ok, on the other hand, Rosegarden has clear and nice
instructions that allow us to compile it without much effort.
But what do you think of distributing Rosegarden using AppImage?
http://appimage.org/
I don't know if it would cost much time and effort for developers to do
this. I'm sorry if it would. But I just knew AppImage few minutes ago and
it reminded me one of my favorite apps: Rosegarden.
Well, this is my suggestion. If it'll be possible or practical, I believe
that time will tell us.
Thanks.
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