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Old 08-28-2009, 02:25 PM
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Default Quantized MIDI piano part sounds swung?

I have an EastWest QL Pianos MIDI part playing a simple repetitive eighth note part and it's quantized to 8th notes, right on the grid, yet it sounds like it's swinging ever so slightly. Naturally I checked and there is no swing value in place and the velocities of all the notes are the same.

I'm wondering if it could be a "note-specific" latency issue where certain samples are playing a few ms later given the feeling that it's swung? What other parameters should I look at to troubleshoot this?

I'm running PT8cs3 and 10.5.8
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Old 08-28-2009, 11:41 PM
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Default Re: Quantized MIDI piano part sounds swung?

Record the audio output and measure between notes in samples to confirm the swinging..

Do the same phrase but change all notes to the same note, so you would be triggering the same sample (unless the program does that random sample-swapping thing..)

Double check the MIDI event list to make sure the quantize is 100%

How did you quantize? Input, realtime, or applied after the fact?
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Old 09-01-2009, 11:20 AM
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Default Re: Quantized MIDI piano part sounds swung?

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Originally Posted by flommer View Post
Record the audio output and measure between notes in samples to confirm the swinging..

Do the same phrase but change all notes to the same note, so you would be triggering the same sample (unless the program does that random sample-swapping thing..)

Double check the MIDI event list to make sure the quantize is 100%

How did you quantize? Input, realtime, or applied after the fact?
Step input on grid... I'm going to double check all the variables and also try another piano sample.
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Old 09-01-2009, 11:49 AM
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Default Re: Quantized MIDI piano part sounds swung?

OK it could just be me, but how can an 8th note sound as though it's swinging?... That'd have to be in ur head almost or something else in the song making it feel as though it's swinging... Just my thought...
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Old 09-02-2009, 04:17 PM
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Default Re: Quantized MIDI piano part sounds swung?

Here's a link to an mp3 of the piano part in question.

http://www.kirkross.com/ftp/piano/
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Old 09-02-2009, 04:44 PM
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Default Re: Quantized MIDI piano part sounds swung?

sounds swung to me.
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Old 09-02-2009, 07:05 PM
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Default Re: Quantized MIDI piano part sounds swung?

Actually, the opposite of swung. It's early on the 8th notes, but only like every 3 notes or so. Did you check the real-time properties? Make sure the swing is set to 0.
What tempo did you have set for the mp3 you bounced?
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Old 09-03-2009, 05:41 PM
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Default Re: Quantized MIDI piano part sounds swung?

FIXED! Unfortunately it's one of those head-scratchers where what I did shouldn't have fixed it.

Here's what I did: I created a click track so I could monitor the piano against it to hear how and where it was off. Presto! Just the act of creating a click track somehow made the MIDI track behave. I also set the metronome value on the transport from quarter note to 8th note and back. I don't know which did the trick but technically, neither should have made any difference. Go figure.
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Old 09-03-2009, 06:27 PM
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Default Re: Quantized MIDI piano part sounds swung?

Quote:
FIXED! Unfortunately it's one of those head-scratchers where what I did shouldn't have fixed it.
I hate threads that work out like this...

Very unsatisfying resolution....

Except, of course, now it's working for you...
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Old 09-03-2009, 08:36 PM
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Default Re: Quantized MIDI piano part sounds swung?

Yeah... I agree. All I can think of is that the creation of a click track somehow reset the session's internal clock or something. That makes absolutely no sense, but I have no other explanation.
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