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Beat triggers!

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Korro
Posts: 8
Joined: Sat Aug 20, 2022 9:13 pm

Beat triggers!

Post by Korro »

Hey!

Coming here today to ask whenever beat/hit triggers are possible, either "natively" or via expressions etc.
And if via expressions, some tutorial/example would be nice :)

Thanks in advance!
Sadler
Posts: 1157
Joined: Sat Aug 02, 2014 7:10 pm
Location: London, UK

Re: Beat triggers!

Post by Sadler »

I don't really understand your question but perhaps this might help.

friday3000
Posts: 16
Joined: Sun Mar 06, 2022 8:40 pm

Re: Beat triggers!

Post by friday3000 »

Hi Korro, I would build the trigger with Ramp and the Threshold function, it works in my attached test project.

What surprises me a bit is that it only works under 0.94. Would have assumed that Ramp always reaches 1 and therefore should also work with a threshold setting of 0.99?
BPM Trigger V1 (Custom).png
BPM Trigger V1 (Custom).png (24.97 KiB) Viewed 14805 times
BPM Trigger via Global Variables V1.magic
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Magic
Site Admin
Posts: 3443
Joined: Wed Apr 09, 2014 9:28 pm

Re: Beat triggers!

Post by Magic »

There are Trigger modifiers for exactly this purpose.
friday3000
Posts: 16
Joined: Sun Mar 06, 2022 8:40 pm

Re: Beat triggers!

Post by friday3000 »

Magic wrote:There are Trigger modifiers for exactly this purpose.
He thanks for the input! But I don't understand how to use that if I need it for on/off (0/1) because it increases by 1 to the infinity or generates a random number in between 0 and 1? Any tips how you would use the trigger to generate a 1 every time the threshold is reached?

:?: I have also noticed the same behavior in combination with Ramp, that it does not work if I set the Threshold to 0.99 while I expect that the Ramp always rises to 1?
Magic
Site Admin
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Joined: Wed Apr 09, 2014 9:28 pm

Re: Beat triggers!

Post by Magic »

It's similar to this tutorial: https://magicmusicvisuals.com/forums/vi ... ?f=3&t=986

The only difference is that your source would be audio, not MIDI. But you would still use Trigger (.5) and Wrap (2).
friday3000
Posts: 16
Joined: Sun Mar 06, 2022 8:40 pm

Re: Beat triggers!

Post by friday3000 »

Magic wrote:The only difference is that your source would be audio, not MIDI. But you would still use Trigger (.5) and Wrap (2).
Sorry for the delay, only today i had time to test your suggestion. But for me it does not work because it only triggers every second beat? As the source i use a BPM synced Ramp.

Nevertheless, i have now noticed that i could achieve beat exact switching of the scenes with the trigger and warp (as an example Trigger = 0.98 / Warp 4).
beattriggertest002 (Custom).png
beattriggertest002 (Custom).png (119.26 KiB) Viewed 14714 times
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