3 May
2006
3 May
'06
1:48 p.m.
Hi,
I am having some problems connecting my Roland XP-30 synth through the
serial port. I can send midi data from the synth to the computer (eg
record them with seq24) and i can send midi data from the computer to the
synth (eg play the synth with vkeybd). But i as soon as i connect the
serial midi input with the serial midi output (the synth has its 'local'
set to 'off') and hit a note on the synth there appears to be a feedback
loop, because an endless amount of midi notes is being generated, flooding
my synth.
The serial midi driver is loaded like this:
modprobe snd-serial-u16550 port=0x3f8 irq=4 adaptor=4 outs=1
I also tried 'adapter=1' (soundcanvas mode) but with the same result.
Am i doing something wrong? Missing something?
--
gerrit
4 May
4 May
2:05 p.m.
Gerrit Niestijl wrote:
I am having some problems connecting my Roland XP-30
synth through the
serial port. I can send midi data from the synth to the computer (eg
record them with seq24) and i can send midi data from the computer to the
synth (eg play the synth with vkeybd). But i as soon as i connect the
serial midi input with the serial midi output (the synth has its 'local'
set to 'off') and hit a note on the synth there appears to be a feedback
loop, because an endless amount of midi notes is being generated, flooding
my synth.
Apparently, the synth has "MIDI Through" or something like this enabled.
HTH
Clemens
2:28 p.m.
On Thu, May 04, 2006 at 08:04:42PM +0200, Clemens Ladisch wrote:
Gerrit Niestijl wrote:
Hm, that does not seem to be the case. When i connect the synth with the
same settings to a harware sequencer (through midi cables) everything
works like expected.
--
gerrit
I am having some problems connecting my Roland
XP-30 synth through the
serial port. I can send midi data from the synth to the computer (eg
record them with seq24) and i can send midi data from the computer to the
synth (eg play the synth with vkeybd). But i as soon as i connect the
serial midi input with the serial midi output (the synth has its 'local'
set to 'off') and hit a note on the synth there appears to be a feedback
loop, because an endless amount of midi notes is being generated, flooding
my synth.
Apparently, the synth has "MIDI Through" or something like this enabled. 
5 May
5 May
7:44 a.m.
Gerrit Niestijl escribe:
On Thu, May 04, 2006 at 08:04:42PM +0200, Clemens
Ladisch wrote:
I think it could help trying MIDI connectors and not the serial cable.
I remember having MIDI problems with a Roland XP-30 connected to my
computer via SB-Live MIDI connectors that were solved simply using a
better MIDI interface. The XP-30 sends soooo many aftertouch events
--this can be configured, though!
Cordially, Ismael
--
Ismael Valladolid Torres OpenPGP key ID: 0xDE721AF4
[^[$B$?$S$?$S$9$_$^$;$s^[(B] Jabber ID: ivalladt(a)jabberes.org
http://lamediahostia.blogspot.com =?iso-2022-jp?B?GyJE0hREjAGyhC?=
Gerrit Niestijl wrote:
Hm, that does not seem to be the case. When i connect the synth with the
same settings to a harware sequencer (through midi cables) everything
works like expected.
I am having some problems connecting my Roland
XP-30 synth through the
serial port. I can send midi data from the synth to the computer (eg
record them with seq24) and i can send midi data from the computer to the
synth (eg play the synth with vkeybd). But i as soon as i connect the
serial midi input with the serial midi output (the synth has its 'local'
set to 'off') and hit a note on the synth there appears to be a feedback
loop, because an endless amount of midi notes is being generated, flooding
my synth.
Apparently, the synth has "MIDI Through" or something like this enabled.
4:33 p.m.
On Fri, May 05, 2006 at 01:43:57PM +0200, Ismael Valladolid Torres wrote:
Gerrit Niestijl escribe:
Indeed, i discovered that my cmipci card has a game port that can be used
as midi port through a module parameter, just like the SB-Live. I even
have a suitable midi cable for it. First tests show that it works well.
But i am considering bying a better midi interface though, with at least 2
in/out ports, so i can connect other equipment as well. It will have to be
a usb thing, because i am out of pci slots. Any suggestions are welcome,
by the way.
--
gerrit
On Thu, May 04, 2006 at 08:04:42PM +0200, Clemens
Ladisch wrote:
I think it could help trying MIDI connectors and not the serial cable.
I remember having MIDI problems with a Roland XP-30 connected to my
computer via SB-Live MIDI connectors that were solved simply using a
better MIDI interface. The XP-30 sends soooo many aftertouch events
--this can be configured, though! Gerrit Niestijl wrote:
Hm, that does not seem to be the case. When i connect the synth with the
same settings to a harware sequencer (through midi cables) everything
works like expected.
I am having some problems connecting my Roland
XP-30 synth through the
serial port. I can send midi data from the synth to the computer (eg
record them with seq24) and i can send midi data from the computer to the
synth (eg play the synth with vkeybd). But i as soon as i connect the
serial midi input with the serial midi output (the synth has its 'local'
set to 'off') and hit a note on the synth there appears to be a feedback
loop, because an endless amount of midi notes is being generated, flooding
my synth.
Apparently, the synth has "MIDI Through" or something like this enabled.
8 May
8 May
3:42 a.m.
Gerrit Niestijl wrote:
...
Indeed, i discovered that my cmipci card has a game port that can be used
as midi port through a module parameter, just like the SB-Live. I even
have a suitable midi cable for it. First tests show that it works well.
But i am considering bying a better midi interface though, with at least 2
in/out ports, so i can connect other equipment as well. It will have to be
a usb thing, because i am out of pci slots.
There's no need to drop the gameport interface; USB interface have a
slightly higher latency (about 1 ms more).
Any suggestions are welcome, by the way.
http://qbik.ch/usb/devices/search_res.php?pattern=midi+interface
HTH
Clemens
3:41 p.m.
On Mon, May 08, 2006 at 09:41:45AM +0200, Clemens Ladisch wrote:
Gerrit Niestijl wrote:
Thanks! Like usual i couldn't wait so i went ahead and bought the only
thing that was in stock in the local store, a 'Phonic midi hub', an USB
device with 2 ins and 2 outs and a 'thru' switch that is supposed to work
also when the device is not connected to a computer. It is not listed on
the site above but it does work OK. It shows itself as 'USB Device
0x170b:0x21'.
--
gerrit
...
Indeed, i discovered that my cmipci card has a game port that can be used
as midi port through a module parameter, just like the SB-Live. I even
have a suitable midi cable for it. First tests show that it works well.
But i am considering bying a better midi interface though, with at least 2
in/out ports, so i can connect other equipment as well. It will have to be
a usb thing, because i am out of pci slots.
There's no need to drop the gameport interface; USB interface have a
slightly higher latency (about 1 ms more).
Any suggestions are welcome, by the way.
http://qbik.ch/usb/devices/search_res.php?pattern=midi+interface
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6 comments
3 participants
participants (3)
-
Clemens Ladisch -
Gerrit Niestijl -
Ismael Valladolid Torres