Re: wrong synth on segment

Hi,

On 16/05/2023 01:30, [email protected] wrote:
> 
> Hello,
> 
> I have two tracks with drum segments on each that I assign
> to the Hydrogen drum synth. Problem is that the sound output
> is not Hydrogen but Grand Piano form the GM synth, just
> yesterday this changed to BOTH the grand AND the drum kit
> sounds seemingly depending on the staff note.

 From what you describe it seems your two tracks are connected via ALSA 
MIDI to both Hydrogen _and_ some General Midi Synth.

I'm assuming you are connecting to Hydrogen and the 'GM synth' 
externally e.g. via QSynth? (i.e. not using DSSI within Rosegarden)

Unfortunately the MIDI device manager (Studio > Manage MIDI Devices) 
doesn't seem to report if a 'Playback' Rosegarden MIDI device is 
connected to multiple ALSA inputs.

However you could check this with something like QJackCtl via its 
connections tab (or graph in most recent versions is the default).

Here is a screenshot of how the connections could look like in a 
situation which could be similar to what you describe, where Rosegarden 
would be sending MIDI to both Fluidsynth with a general midi soundfont 
and Hydrogen together, thus you hearing both sounds:

https://gcdnb.pbrd.co/images/a9PBRwnxWq1L.png?o=1

[...]

> 
> Is there a rosegarden 'upload' facility where I could
> upload the *.rg file consisting of just these 2 tracks?

Not that I know of, but I think some file sharing and pasting the link 
here would be OK.
Still the RG file itself might not be helpful in understanding your 
issue because it most probably depends on what Rosegarden's MIDI 
'output' is connecting to on your system (see above)

> 
> I've had issues before with notes not ending/closing,
> is there a way to start a new track but paste the entire
> staff and NOTHING but the staff notes to it?

This seems unrelated to the 'synth problem' you describe? Could you 
provide a bit more detail maybe?
Anyway from what I understand you have two options:

1.
To do what you describe I usually just copy / paste the segments 
(possibly all of them) from a track to the new one. Or, even better, 
clone them by doing CTRL + mouse-drag.

If you really want to make sure to get rid of anything but notes (and 
maybe musical elements like clefs) you can open the segment in the list 
editor. Select everything in the left-side filter except 'Notes' and 
'Other'. Do CTRL + A (i.e. select all), and then 'DEL' (delete everything).

2.
Actually when copy/pasting stuff this also works:
- Select all notes in the notation or matrix editor. Copy (e.g. CTRL + C)
- Now go to the main window (segment / track view).
- Select the desired target track
- Paste

In this case AFAIK only notes are pasted (e.g. I'm quite sure Control 
changes are not...)

If you do it like this, do be careful of where the playhead is because 
this is where the first note will be pasted and if that not is _not_ at 
the start of the segment you will most probably have a mis-aligned 
segment ;-) - YMMV

Hope this helps.
Lorenzo


> 
> TIA
> 
>     
> 
>    
> 
> 
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