linuxaudio.org

Nicolas BERCHER wrote:

quoted text
>

> 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/
Best,
dp
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