[LAU] FluidSynth fails to sintetize more 85% events generated by Drum machine ALESIS D4.

Jedi Storm jedi00 at gmail.com
Fri Sep 11 10:25:01 EDT 2009


Hi Mr. Ladisch ,

When I did some debug with Qsynth it seems that filtered the note-off
events.

Now that I did a debug directly with fluidsynth I'm able to see the
note-off.

Here you are with the aseqdump :

tao at 64studio:~$ aseqdump -p 20:0
Waiting for data. Press Ctrl+C to end.
Source_ Event_________________ Ch _Data__
 20:0   Note on                 0  68  40
 20:0   Note on                 0  68   0
 20:0   Note on                 0  68  71
 20:0   Note on                 0  68   0
 20:0   Note on                 0  68 107
 20:0   Note on                 0  68   0
 20:0   Note on                 0  68 111
 20:0   Note on                 0  68   0
 20:0   Note on                 0  68 107
 20:0   Note on                 0  68   0
 20:0   Note on                 0  68  97
 20:0   Note on                 0  68   0
 20:0   Note on                 0  68 113
 20:0   Note on                 0  68   0
 20:0   Note on                 0  68 113
 20:0   Note on                 0  68   0
 20:0   Note on                 0  68 119
 20:0   Note on                 0  68   0
 20:0   Note on                 0  65  40
 20:0   Note on                 0  65   0
 20:0   Note on                 0  65  80
 20:0   Note on                 0  65   0
 20:0   Note on                 0  65  70
 20:0   Note on                 0  65   0
 20:0   Note on                 0  65  98
 20:0   Note on                 0  65   0
 20:0   Note on                 0  65  89
 20:0   Note on                 0  65   0
 20:0   Note on                 0  65 116
 20:0   Note on                 0  65   0

Regards.-


2009/9/11 Clemens Ladisch <clemens at ladisch.de>

> Jedi Storm wrote:
> > I'm generating MIDI events from a Drum Machine Alesis D4 directly to
> > fluidsynth through a MIDI In port and fluidsynth fails to sintetize more
> > than 85% of the hits on the PAD.
> > ...
> > 4.- After do some debugging I have been able to see the following :
> > MIDI DRUM SET ALESIS D4 EVENTS : (Fails to synthetise 75% of the hits)
> > ...
> > fluidsynth: noteoff    0    65    0    00777    1480.951    1480.982
> 0.000    4
>
> Do these numbers have any meaning?
> You said previously that the D4 doesn't generate note-off events?
>
> Could you show the output of aseqdump with a few notes from the D4?
>
>
> Best regards,
> Clemens
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> Linux-audio-user at lists.linuxaudio.org
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