Midi relation problem with extra software



  • Hi everyone,
    Here is the thing : I try to control an Isadora vidéo with an extra-software (Logic Pro 10).I want to change movie with logic pro.
    I send a midi value on logic (Isadora virtual out) to Isadora (Isadora virtual in). I use the signal in « note on watcher »  to « counter » plugin and it’s work. The movie is changed.
    BUT the selection media jump by 2  and I want just one.(for example media 1 ==> media 3, media 5 etc…..)
    When I jump manually its work but with and by logic pro it jump by 2.
    I don’t understand why because when I use a real clavier midi maitre its work.
    Any idea ?
    I use Isadora Isadora 1.3.0f32
    On a Mac book pro Duo 2,8ghz
    Sorry for my bad English
    -------
    Bonjour tout le monde,
    Voilà : j’essaye de contrôler Isadora avec logic pro 10\. Je veux que logic pro donne l’information de changer de vidéo.
    Je lui envoie donc une valeur midi que je rebascule dans Isadora via (Isadora virtual in/out).
    Je fais passer le signal dans le plugin « note on watcher » puis « counter » de manière à pouvoir changer de vidéo et cela marche.La vidéo change.
    MAIS elle change de 2 en 2 (exemple film 1èmidi=+>film 3èmidièfilm 5.
    Je voudrais aller normalement de 1 en 1.
    Je ne comprends pas parce que quand j’utilise un clavier midi maitre en passant directement par Isadora cela marche.
    Des idées ?
    [EDIT: cleaned up formatted text because it made the post very hard to read -- MC]


  • Se il vous plaît utiliser l'application "MIDI Monitor» pour analyser les notes provenant de Logic. Assurez-vous que seul un message Note On est envoyé. Prenez une capture d'écran des données affichées dans la fenêtre MIDI Monitor afin que nous puissions tous prendre un coup d'oeil.

    Please use the app "MIDI Monitor" to analyze the notes coming from Logic. Make sure that only one Note On message is being sent. Take a screen shot of the data shown in the MIDI Monitor window so we can all take a look.
    http://www.snoize.com/MIDIMonitor/

    2b928c-midi-monitor-snap.png


  • Tech Staff

    I'm pretty sure Logic is sending a note off? This is the only obvious reason as to why its jumping +2 instead of +1

    Could you also post a screenshot of your isadora patch?


  • Yeah, i should imagine izzy is getting a note off as well as a note on. you could either change the parameters in Logic or the hardware, or it may be possible to include a Multi Blocker actor to prevent signals from passing through too quickly, or a Trigger Divider actor to only send a trigger every other MIDI signal.



  • Hi everyone and thank you for your answer!!

    This is the script application "MIDI Monitor”for one midi send:

    -> MIDI   | 1 -- Note On: Ch. 1  Pitch 48  Vel 60        | 90 30 3C                                           | .0<                 |

    -> MIDI   | 1 -- Note On: Ch. 1  Pitch 48  Vel 60        | 90 30 3C                                           | .0<                 |

    -> MIDI   | 1 -- Note Off: Ch. 1  Pitch 48  Vel 64       | 80 30 40                                           | .0@                 |

    -> MIDI   | 1 -- Note Off: Ch. 1  Pitch 48  Vel 64       | 80 30 40                                           | .0@                 |

    I think it’s not a problem of note on/note off because we have 2 note on and 2 note off sent.

    You can check my Isadora patch.

    d3e54f-capture-decran-2014-12-17-a-20.21.27.png



  • Your midi info is kind of cryptic. Could you save the MIDI Monitor file and zip it and post it here.

    But it seems that you are dealing with multiple NoteON/NoteOFF messages. Try to sort out what Logic is sending. Why does it send note 48 in different velocity?


  • OH sorry

    I search what logic sending....
    2e60b1-capture-decran-2014-12-17-a-22.42.24.png


  • Tech Staff

    First; It looks like Logic is defiantly sending out TWO triggers. So the problem could be Logic.
    Second: Change the Note on watcher to ONLY look at port 1 on channel 1 (or to the right port and channel you have set) because if you have got other tracks sending out notes also then the Note On might pick them up also. If nothing else this is just good workflow. Especially when/if you start to develop your patch.
    I would suggest for now using a trigger divider actor to ignore every other trigger. See attached.

    f2174a-screen-shot-2014-12-18-at-09.25.36.png


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