[PD] emulating the behaviour of a midi keyboard: trouble with repeated notes

[Kyle Klipowicz]

Sorry, did not read that deep enough the first time.

Wish I could help more, but I can't.

~Kyle

On Sun, Nov 8, 2009 at 10:33 PM, Kyle Klipowicz <kyleklip at gmail.com> wrote:

> Try researching "edge detection."
>
> ~Kyle
>
> On Sun, Nov 8, 2009 at 9:54 PM, Athos Bacchiocchi <
> athos.bacchiocchi at tin.it> wrote:
>
>>  hi,
>>
>> i'm working on a little project in which some notes with random pitches
>> and duration appear at random time intervals. Each note is packed in a
>> "midi" format (pitch and velocity), with a note-off event (pitch and zero
>> velocity) sent after the note duration interval.
>>
>>  it can happen that a new note is generated before the previous one has
>> been stopped.That's not a trouble, since i  can handle it with [poly],
>> eventually set to 1 voice and with voice stealing to force a "monophonic"
>> melody.
>>
>> The problem appears if the new note coming has the same pitch than the
>> previous one. This is impossible for a "real" midi keyboard, in fact a key
>> can be played again only after it has been released.
>> This leads to an undesired behaviour of [poly]: if there are more than 1
>> voice, i have the sum of different voices playing the same note, with an
>> undesiderd increase of the volume. Even worse, when the voice is only one,
>> the note-off message of the previous note stops the new note before its
>> assigned time duration!
>>
>> I tried to set up a strategy to avoid this, but with no results.  Any
>> idea?
>>
>> thanks,
>> athos
>>
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>>
>
>
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