Re-send: MIDI loops back to keyboard

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Re-send: MIDI loops back to keyboard

Vegard Svanberg
Hi,

I sent this a couple weeks ago, but got a message back it was waiting
for the moderator's approval. Never saw it make its way to the list, so
re-sending now in case it got lost. Apologies if it actually made it
through, but I didn't find it in the archives either so don't think it
did.

****

Hi,

I recently blew the dust off my MIDI equipment and installed Rosegarden
on Ubuntu. Looking good so far!

To test it, I'm just using my old Edirol (Roland) USB MIDI interface and
a Kawai K-11 keyboard. Keyboard is attached with MIDI IN/OUT cables and
all audio is played on the keyboard (I've not installed a soft synth in
Rosegarden).

I quickly discovered that I have the exact same problem on Rosegarden as
I had with Cakewalk on Windows (with a different interface; the Roland
MPU 401)  many years back - but I'm a bit unsure on how to describe
it!

Simply put, when I record using my keyboard, it appears that Rosegarden
(or something) feeds the recorded MIDI immediately back to the keyboard.

The consequence is that I get confused when I play - it doesn't feel
right because the keyboard will play "two notes at once" - it will play
a sound when I press a key and also play the same key (just with a
slight delay) a few us/ms later.

If I pull the MIDI IN plug on the keyboard the problem goes away, of
course, but then I can't hear the other tracks play back so that also
makes it kind of difficult...

Again it's a bit hard to explain the experience acccurately, but hoping
someone else understand what I'm talking about? Have tried googling for
quite a while to no avail.

Thanks!

--
Vegard Svanberg <[hidden email]> [*Takapa@IRC (EFnet)]


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Re: Re-send: MIDI loops back to keyboard

Lorenzo Sutton
Hi,

On 15/06/2016 15:48, Vegard Svanberg wrote:
[...]

>
> To test it, I'm just using my old Edirol (Roland) USB MIDI interface and
> a Kawai K-11 keyboard. Keyboard is attached with MIDI IN/OUT cables and
> all audio is played on the keyboard (I've not installed a soft synth in
> Rosegarden).
>
> I quickly discovered that I have the exact same problem on Rosegarden as
> I had with Cakewalk on Windows (with a different interface; the Roland
> MPU 401)  many years back - but I'm a bit unsure on how to describe
> it!
>
> Simply put, when I record using my keyboard, it appears that Rosegarden
> (or something) feeds the recorded MIDI immediately back to the keyboard.

This seems a quite typical MIDI thru (or echo) problem. I assume your
keyboard is also producing sound. Maybe this can be useful (i.e. how to
disable midi thru in rosegarden):

http://www.rosegardenmusic.com/doc/en/studio-midi-routing.html

Lorenzo.

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Re: Re-send: MIDI loops back to keyboard

Ted Felix-2
In reply to this post by Vegard Svanberg
On 06/15/2016 09:48 AM, Vegard Svanberg wrote:
> Simply put, when I record using my keyboard, it appears that Rosegarden
> (or something) feeds the recorded MIDI immediately back to the keyboard.

   It is supposed to do that.  You need to turn "Local" off on the K-11.
  With Local Off, you can use your keyboard both as a synth and as a
controller.  It's the preferred method of working which is why both
CakeWalk and Rosegarden default to loopback/thru mode.  The K-11 manual
mentions LOCAL OFF mode.  Let me know if you need help digging through
it.  Looks like it's easy to find online.

   You could also turn off MIDI thru routing on specific tracks in
Rosegarden (and leave Local On on your keyboard).  This isn't
recommended since this forces your keyboard to only talk to itself.  In
Rosegarden, select a track.  In the Track Parameters box on the left,
expand "Recording filters" and set the "Thru Routing" to "Off".

Ted.

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Re: Re-send: MIDI loops back to keyboard

Vegard Svanberg
* Ted Felix <[hidden email]> [2016-06-15 20:17]:

> > Simply put, when I record using my keyboard, it appears that Rosegarden
> > (or something) feeds the recorded MIDI immediately back to the keyboard.
>
>    It is supposed to do that.  You need to turn "Local" off on the K-11.

Excellent! Why didn't I think of that?

Thanks to you, Lorenzo and Chris (replied off-list).

--
Vegard Svanberg <[hidden email]> [*Takapa@IRC (EFnet)]


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