smiling stranger
member
Joined: 26/07/03
Posts: 37
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More L7.1Pro MIDI woes
#141052 - 10/06/05 12:19 PM
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Have just recorded a jazz trio where I recorded the MIDI coming from a keyboard.
(Studiologic88>AMT8>G4DP>Logic7.1) and when I checked it back the piano sounded phasey.
Closer inspection showed that every single note had been recorded twice. 'Delete note
duplicates' couldn't sort it out as the duplicated notes are consistently 2 ticks late. It
would take about a year to physically delete every other note, and how professional am I
going to appear if I ask the keyboard player to replay everything? (also, this is jazz so
it's supposed to be played in the moment!)
So, how did this happen? And can
anyone think of any solutions?
Cheers, guys
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E D
Joined: 10/01/04
Posts: 1089
Loc: London
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This has happened to me a couple of times. In my case, it happened because I had left 2
zones on my midi keyboard active. Unfortunately I had to manuall delete every other note.
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StevePaul
Joined: 10/06/05
Posts: 10
Loc: New York, US
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I'm not familiar with the specific keyboard you used but the first thing i can think of is
that if the keyboard had it's own internal sounds and they weren't turned off and you also
patched in an external synth, you got duplicated notes. Hope this helps.
Steve
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Steve Hill
member
Joined: 07/01/03
Posts: 13140
Loc: Oxfordshire
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I really hesitate to suggest this in a thread involving the word jazz, but if the "delay"
is consistently 2 ticks, could you try the smallest possible amount of quantisation (1/192
or whatever it is) so that the doubled notes are at least triggering together?
That should get rid of the phase problem, but you may still have excessive midi traffic
which could affect polyphony in busy passages. Possibly "Delete Note Duplicates" would
work properely after quantisation. Maybe you could even undo the quantisation after doing
that?
I'm not filled with confidence on any of this, so do it on a copy of the
track, as if you didn't need reminding!
--------------------
Dynamite with a laser beam...
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E D
Joined: 10/01/04
Posts: 1089
Loc: London
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I like your thinking Steve Hill! Now, why didn't I think of that!
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smiling stranger
member
Joined: 26/07/03
Posts: 37
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Steve, thank you!
That's just the kind of lateral, outside the box thinking I
couldn't do myself this time. I'll try it and let you know tomorrow... And although the
tracks weren't recorded to a click track, you're right; once I've deleted the note
duplicates I should be able to un-quantise them and retain their original position...
Cheers guys!!
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smiling stranger
member
Joined: 26/07/03
Posts: 37
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OK, I've sorted it. For your information: I tried Steve's suggestion. Quantising the notes
to 192th did, as hoped, line all the notes up exactly to precision tick-accuracy. I then
tried Functions>Erase MIDI events>Duplicates but this didn't work. Thought this might be a
bug but I tested it and it isn't. Checked notes lengths, velocities etc and then noticed
what it was - all the duplicate notes were assigned to MIDI ch2. So, in the end it's a
very simple solution of selecting one of the offending duplicates, go to Edit>Select Equal
Channels and press delete.
So thanks for your help, I was getting a bit
desperate as you can tell.
What causes this and why there was a 2 tick delay
and stuff is a bit baffling though. (By theway I was recording 6 audio tracks (via
MOTU2408mkII) at the same time as the MIDI info. I'll test that in a second and let you
know if you like)
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