step sequencer (Composition by dust)

Author: dust
License: MIT
Date: 2010.11.14
Compatibility: 10.5, 10.6
Categories:
Required plugins:
(none)

here is a simple step sequencer / trigger that takes a variable bpm input.

it produces the same results as coges step trigger/seq patch although simplified and derived from different math.

basically i take the number 15/bpm gives you your 16th note duration which is used to delay a signal counter.

this works beautiful in unity as i am able to sync up lots of tracks.

qc hiccups a bit if your messing with the editor while its running.

probably best to use something like this for visuals rather than music.

PreviewAttachmentSize
sequencer.zip387.58 KB

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Scratchpole's picture
Re: step sequencer (Composition by dust)

Great thankin' you. I think that will be useful. Will have a look at the coge sequencer as well, is that within the app or already separate somewhere?

noboko's picture
Re: step sequencer (Composition by dust)

For roll.

PreviewAttachmentSize
sequencer.zip388.23 KB

dust's picture
Re: step sequencer (Composition by dust)

sweet was wondering why the 16th notes where not triggering the way intended. i was thinking i didn't need to subtract 1 because the signal is triggering on start. how is the modulo helping to play the 16th notes.

noboko's picture
Re: step sequencer (Composition by dust)

fixed

why 'substruct-1'
first signal -> count up multiplexer ->can't trig source#0

but
use modulo ->first index source#15

change
count-1 <= 0 ? 0 : (count-1)%16

PreviewAttachmentSize
sequencer-1.zip388.15 KB

.lov.'s picture
Re: step sequencer (Composition by dust)

Here it is: http://www.quartzcompositions.com/phpBB2/upload/details.php?file=1410

This is really old, CoGe drives the sequencer from Cocoa from years ago.

BTW, here is a link to the latest CoGe version which was fully QC driven, newer versions are Cocoa+OpenGL driven: http://coge.lovqc.hu/forum/viewtopic.php?f=15&t=25