[Ardour-Users] Ardour-Users Digest, Vol 89, Issue 7

Dave Phillips dlphillips at woh.rr.com
Sat Jun 11 12:31:57 PDT 2011

ardour-users-request at lists.ardour.org wrote:
> Message: 8
> Date: Sat, 11 Jun 2011 14:41:57 -0400
> From: Paul Davis <paul at linuxaudiosystems.com>
> To: ardour-users <ardour-users at lists.ardour.org>
> Subject: [Ardour-Users] help needed to ascertain a MIDI design
> 	question
> Message-ID: <BANLkTi=vpif16eKWz90TSPZJUJSX_g_kwA at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
> i need to ask for some help from those of you with access to other
> MIDI sequencers (proprietary, open source or whatever).
> the task is this: do whatever you need to do to create some MIDI data
> with notes that you can edit. how you get there doesn't (or shouldn't)
> matter.
> having done that, now edit the notes with a simple edit: take one note
> (or more if you want) and drag so it ends up overlapping with another
> note (i.e. they end up at the same pitch, but different, overlapping
> durations).
> what does the program you're testing do at this point? MIDI itself
> doesn't really allow for this, because its based on an instrument
> model inspired by most acoustic instruments where you cannot play the
> same pitch twice without ending the first instance of that pitch. but
> there are a variety of possible things a sequencer could do. Ardour 3
> has 4 options for what to do already, but we need to decide what the
> default should be.
> send your replies to the list, so that people can see when someone
> else has already tried this with program XXXX.

Voyetra's Sequencer Plus prompts the user to decide whether to shorten 
the current note (the moved noted) or delete the following note. 
However, each track in that sequencer is assigned a single MIDI channel, 
i.e. the view displays only one channel's data. IIRC Master Tracks Pro 
allowed a multichannel view in which notes could overlap if they were on 
separate channels.

Btw, sequencing MIDI parts for a guitar may require the ability to sound 
the same pitch in two or more instances. The only way to do it is with 
multiple channels.

Another option would be to shorten the following note by the duration of 
the overlap. That change would alter the rhythm, but it might be an 
interesting transform. :)



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