jsg
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Randomizing Note Lengths in the Interpolate Dialogue Box
I thought I figured out how to do this, but now I can't get it to work.
Does anybody use Interpolate to randomize, say, 4 quarter notes into 4 notes with slightly less and slightly more duration?
The Length command is good for precise change relative to start time, but not for randomizing note lengths.
Thanks,
Jerry
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promidi
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Re: Randomizing Note Lengths in the Interpolate Dialogue Box
2017/02/21 03:32:54
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Have you considered using a CAL script to do this? The following script will randomise the duration of selected notes away from their original to a maximum possible of 30 (defined by the (int range 30) )
(do
(int offset)
(int range 30)
(int new_duration)
(int pos_range range)
(int neg_range (*= range -1))
(forEachEvent
(if (== Event.Kind NOTE)
(do
(= offset (random neg_range pos_range))
(= new_duration Note.Dur)
(+= new_duration offset)
(if (<= new_duration 127)
(if (>= new_duration 0)
(= Note.Dur new_duration)
);end if
);end if
);end do
);end if
);end for
);end do
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Bristol_Jonesey
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Re: Randomizing Note Lengths in the Interpolate Dialogue Box
2017/02/21 03:45:09
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Great solution there Paul!
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jsg
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Re: Randomizing Note Lengths in the Interpolate Dialogue Box
2017/02/21 14:59:05
(permalink)
promidi
Have you considered using a CAL script to do this? The following script will randomise the duration of selected notes away from their original to a maximum possible of 30 (defined by the (int range 30) )
(do
(int offset)
(int range 30)
(int new_duration)
(int pos_range range)
(int neg_range (*= range -1))
(forEachEvent
(if (== Event.Kind NOTE)
(do
(= offset (random neg_range pos_range))
(= new_duration Note.Dur)
(+= new_duration offset)
(if (<= new_duration 127)
(if (>= new_duration 0)
(= Note.Dur new_duration)
);end if
);end if
);end do
);end if
);end for
);end do
Hey, thanks! I am almost certain I can do this with the Interpolation routine, but if I can't I'll use the CAL code above. By the way, when I paste this into a .txt file, how do I turn it into a CAL file? Sonar won't read it as a CAL file if it has an extension of .txt.. UPDATE: I was able to turn the file into a .CAL file, and tried running it on some music. It didn't do anything at all, there was no dialogue box to ask me how much variation I want, nothing. I copied and pasted the exact code you gave... Best, Jerry www.jerrygerber.com
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scook
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Re: Randomizing Note Lengths in the Interpolate Dialogue Box
2017/02/21 15:03:46
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Change the extension to .cal
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Atsuko
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Re: Randomizing Note Lengths in the Interpolate Dialogue Box
2017/02/21 15:08:22
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berlymahn
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Re: Randomizing Note Lengths in the Interpolate Dialogue Box
2017/02/21 15:50:47
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SquireBum
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Re: Randomizing Note Lengths in the Interpolate Dialogue Box
2017/02/22 00:00:40
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☄ Helpfulby jsg 2017/02/22 02:39:06
Jerry,
I took the liberty of modifying the script by @promidi by adding an input field in ticks and removed the line that was preventing the script from setting the new duration. I tested it, but please use it at your own risk.
-- Ron
;;Randomize duration
;;This script will randomize MIDI note duration based on a user
;;provided range in ticks from 1 to 240 ticks. Checks are
;;provided to prevent zero durations.
;;
;;
(do
(int offset)
(int range 30) ;; Change default input value here
(getInt range "Select +/- range (ticks): " 1 240)
(int new_duration)
(int pos_range range)
(int neg_range (*= range -1))
(forEachEvent
(if (== Event.Kind NOTE)
(do
(= offset (random neg_range pos_range))
(= new_duration Note.Dur)
(+= new_duration offset)
(if (>= new_duration 0) ;; Make sure calculated duration is not zero
(= Note.Dur new_duration)
);end if
);end do
);end if
);end for
);end do
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jsg
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Re: Randomizing Note Lengths in the Interpolate Dialogue Box
2017/02/22 02:40:32
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SquireBum
Jerry,
I took the liberty of modifying the script by @promidi by adding an input field in ticks and removed the line that was preventing the script from setting the new duration. I tested it, but please use it at your own risk.
-- Ron
;;Randomize duration
;;This script will randomize MIDI note duration based on a user
;;provided range in ticks from 1 to 240 ticks. Checks are
;;provided to prevent zero durations.
;;
;;
(do
(int offset)
(int range 30) ;; Change default input value here
(getInt range "Select +/- range (ticks): " 1 240)
(int new_duration)
(int pos_range range)
(int neg_range (*= range -1))
(forEachEvent
(if (== Event.Kind NOTE)
(do
(= offset (random neg_range pos_range))
(= new_duration Note.Dur)
(+= new_duration offset)
(if (>= new_duration 0) ;; Make sure calculated duration is not zero
(= Note.Dur new_duration)
);end if
);end do
);end if
);end for
);end do
Thanks very much SquireBum, much appreciated. I tested it and it does exactly what I was trying to do. Thanks for tweaking it! Best, Jerry www.jerrygerber.com
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chuckebaby
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Re: Randomizing Note Lengths in the Interpolate Dialogue Box
2017/02/22 07:06:52
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This is very interesting to me as I don't use CAL scripts.
It seems they have a lot to offer. I don't use Midi all that much, maybe 20% of my project has midi, the rest being Audio (stringed instruments, drums, vocals, exc).
However CAL scripts is something I would like to learn more about. some good reads here in this thread (Promidi, Ron and others) Interesting stuff. thanks.
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jsg
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Re: Randomizing Note Lengths in the Interpolate Dialogue Box
2017/02/22 12:49:24
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chuckebaby
This is very interesting to me as I don't use CAL scripts.
It seems they have a lot to offer. I don't use Midi all that much, maybe 20% of my project has midi, the rest being Audio (stringed instruments, drums, vocals, exc).
However CAL scripts is something I would like to learn more about. some good reads here in this thread (Promidi, Ron and others) Interesting stuff. thanks.
I hired a software programmer a number of years ago to create a CAL program called Contrary Motion, it takes a group of notes and chromatically inverts them. Very useful for composition although I should have asked him to include diatonic contrary motion as well. If there are any CAL programmers who read this and can do this, contact me and we can work out compensation or barter. CAL routines are very useful and have been a part of Sonar for a very long time. I use them as they provide an extension to MIDI operations that add to Sonar's MIDI capabilities. Jerry www.jerrygerber.com
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chuckebaby
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Re: Randomizing Note Lengths in the Interpolate Dialogue Box
2017/02/22 15:32:12
(permalink)
jsg
chuckebaby
This is very interesting to me as I don't use CAL scripts.
It seems they have a lot to offer. I don't use Midi all that much, maybe 20% of my project has midi, the rest being Audio (stringed instruments, drums, vocals, exc).
However CAL scripts is something I would like to learn more about. some good reads here in this thread (Promidi, Ron and others) Interesting stuff. thanks.
I hired a software programmer a number of years ago to create a CAL program called Contrary Motion, it takes a group of notes and chromatically inverts them. Very useful for composition although I should have asked him to include diatonic contrary motion as well. If there are any CAL programmers who read this and can do this, contact me and we can work out compensation or barter.
CAL routines are very useful and have been a part of Sonar for a very long time. I use them as they provide an extension to MIDI operations that add to Sonar's MIDI capabilities.
Jerry
www.jerrygerber.com
Last thing I want to do is derail your thread, but may I ask, where would be the best place to learn about CAL Scripts ? Im very interested as I believe they can speed up the portion of my Midi workflow. thanks Jerry
Windows 8.1 X64 Sonar Platinum x64 Custom built: Asrock z97 1150 - Intel I7 4790k - 16GB corsair DDR3 1600 - PNY SSD 220GBFocusrite Saffire 18I8 - Mackie Control
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jsg
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Re: Randomizing Note Lengths in the Interpolate Dialogue Box
2017/02/22 15:48:54
(permalink)
chuckebaby
jsg
chuckebaby
This is very interesting to me as I don't use CAL scripts.
It seems they have a lot to offer. I don't use Midi all that much, maybe 20% of my project has midi, the rest being Audio (stringed instruments, drums, vocals, exc).
However CAL scripts is something I would like to learn more about. some good reads here in this thread (Promidi, Ron and others) Interesting stuff. thanks.
I hired a software programmer a number of years ago to create a CAL program called Contrary Motion, it takes a group of notes and chromatically inverts them. Very useful for composition although I should have asked him to include diatonic contrary motion as well. If there are any CAL programmers who read this and can do this, contact me and we can work out compensation or barter.
CAL routines are very useful and have been a part of Sonar for a very long time. I use them as they provide an extension to MIDI operations that add to Sonar's MIDI capabilities.
Jerry
www.jerrygerber.com
Last thing I want to do is derail your thread, but may I ask, where would be the best place to learn about CAL Scripts ? Im very interested as I believe they can speed up the portion of my Midi workflow.
thanks Jerry
There's probably info on Cakewalk's website about CAL. I don't know how to program, so can't help there, but I can tell you as a composer some of the CAL routines come in handy, such as strum, randomizing note lengths, velocities and start times. Many others. Check them out, input 5 or 6 notes and experiment, that's the best way to learn what they do. Jerry
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promidi
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Re: Randomizing Note Lengths in the Interpolate Dialogue Box
2017/02/22 16:01:07
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☄ Helpfulby chuckebaby 2017/02/22 20:12:15
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Internet always on.
Software: Cakewalk by Bandlab (2018.09 B29)
ASIO mode. 24bit 48khz 256 samples Rapture Pro, AAS GS2, VS-3, EP-4, VA-2, Chromophone 2, Z3TA+ 2, Addictive drums 2, Addictive Keys, Mpowersynth (latest), Iris 2, GPO5, Sampletank 3,
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chuckebaby
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Re: Randomizing Note Lengths in the Interpolate Dialogue Box
2017/02/22 20:12:04
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promidi
Here is a link that contains an excellent PDF CAL programmer's reference guide. The site contains other useful information as well.
http://members.ziggo.nl/odw/en/indexmidi.html
This I a keeper. Just bookmarked it and im reading it right now. I can tell this is going to be a long road  . but Jerry had some good advise. Just adding in some notes and experimenting. I believe I have been to this site before studying instrument definitions. Thank you Mr. Promidi. Im very grateful for the link.
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