Re: [LAU] Sustain pedal issue with undesired repeated notes (m-audio keystation 88es + qjackctl + qsynth)

On Sun, Jun 06, 2010 at 10:15:03AM -0400, Dave Phillips wrote:
> Nicolas BERCHER wrote:
>>
>> I have a problem I can't face alone on the digital piano I made on
>> Debian Lenny with qsynth (v0.2.5-2.2), qjackctl (v0.3.2-1) and an
>> m-audio keystation 88es keyboard.
>>
>> When I play the piano, some notes will repeat themselves after a few
>> seconds only if I keep the sustain pedal pressed, just like a delay
>> effect would do.
>> I reported that only 4 notes are concerned for the moment, they have
>> different repeat delays:
>> G : ~7.5 sec (G4)
>> G# : ~7 sec (G#4)
>> A : ~6.5 sec (A4)
>> A# : ~6 sec (A#4)
>> Note that the notes above, relatively to the middle C of a piano
>> keyboard called C3, goes from G4 to A#4.
>>
>> Could this be due to an hardware issue in the m-audio keyboard?
>>
>> Thanks a lot for any idea on how to track down and correct this (if
>> possible).
>
>
> Try putting a MIDI monitor program between the keyboard's MIDI output
> and QSynth's input port in QJackCtl. Look for the repeats there.
>
> If you have KDE: http://kmidimon.sourceforge.net/
>
> For Gnome/GTK: http://home.gna.org/gmidimonitor/
>

For none of the above (my preference): aseqdump :-)

-ken
_______________________________________________
Linux-audio-user mailing list
Linux-audio-user@email-addr-hidden
http://lists.linuxaudio.org/listinfo/linux-audio-user
Received on Mon Jun 7 04:15:02 2010