On 08.06.2010 12:21, David Santamauro wrote:
> On Tue, 08 Jun 2010 12:15:13 +0200
> Nicolas BERCHER<nbercher@email-addr-hidden> wrote:
>
>
>> On 08.06.2010 11:21, David Santamauro wrote:
>>
>>> Hi,
>>>
>>> On Tue, 08 Jun 2010 10:57:13 +0200
>>> Nicolas BERCHER<nbercher@email-addr-hidden> wrote:
>>>
>>>
>>>
>>>> So, I checked what's going on:
>>>> $ aseqdump --list
>>>> Port Client name Port name
>>>> 0:0 System Timer
>>>> 0:1 System Announce
>>>> 14:0 Midi Through Midi Through Port-0
>>>> 20:0 SB Live! Value [CT4870] EMU10K1 MPU-401 (UART)
>>>> 24:0 USB Keystation 88es USB Keystation 88es
>>>> MIDI 1 $ aseqdump -p 24:0
>>>> Waiting for data. Press Ctrl+C to end.
>>>> Source_ Event_________________ Ch _Data__
>>>> 24:0 Control change 0 64 127
>>>> 24:0 Note on 0 82 82
>>>> 24:0 Note on 0 82 0
>>>> 24:0 Control change 0 64 0
>>>>
>>>> The above sequence dumped by aseqdump shows only one note event
>>>> (lines 2+3: press+release) but I heard a delayed note as mentioned
>>>> in my first mail.
>>>>
>>>>
>>> Actually, there are two note events and both are NOTE ON, one with
>>> velocity of 82 and the other 0. The velocity 0 should be
>>> interpreted as NOTE OFF.
>>>
>>>
>> I forgot to tell you that the third dump line, which correspond to
>> the key release, appeared *after* the undesired delayed note (I've
>> kept it pressed about ten seconds).
>> So I think that the keyboard events are well interpreted by qsynth
>> since I can play piano in a standard way: notes can ring as long as I
>> want when I press/release the keys!
>>
> Aha ... sounds like an attack issue with the soundfont. You press a
> key, there is an initial attack, the sample loops and reattacks.
>
> - do the notes repeat if you play them staccato, i.e., key
> on/off< the time seen for the repeated notes to trigger?
>
No, that's why, fortunately, I can play of the songs I want on this fake
digital piano without any delay trouble (occurs on 4 specific notes only
if pedal/key pressed longer than 6~7 seconds)!
> - Have you tried a different soundfont and/or patch and is the
> behavior identical regardless?
>
The use of another piano sound font solved the problem.
It is sad for, as a beginner in midi and jack world, to began by using a
corrupted sound font...!
I have to do some tests in order to be sure that the problem was caused
by a particular corrupted sound font before I mark this thread SOLVED!
I really thank all of you, you were all of great help!
Nicolas
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Received on Tue Jun 8 16:15:05 2010
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