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Pattern gap....dead horse, I know.

Posted: Sat Jul 25, 2015 1:56 pm
by PureSecksPirate
I've noticed that I get obvious gaps with some pattern changes and others I don't. What things have you guys noticed helps reduce the gapping? I haven't been able to narrow it down.

Posted: Sat Jul 25, 2015 2:18 pm
by apapdop
apapdop wrote:Padst are a problem when changing patterns, or anything with a long sustain. My workarounds...

I fill a pattern with 16 parts. When I'm happy with it I solo part 1, write the pattern then save it to the next location. I then see what the transition is like with just part 1 playing. If it is smooth, then I solo part 2, write it, save it to the next pattern and test the transition. Repeat for all 16 parts.

If a transition is not smooth, then I have a couple of procedures. I go into sequencer mode and look at the final bar of the pattern. Can I switch off some steps right at the end of the final bar without detriment to the original sequence? Often this is enough to give a smooth(er) transition. If the part does not use the Amp Envelope, reducing the gate time of the final active step can help too.

But say a synth part that uses its Amp Envelope is causing problems. It's sounding good with a release time of 80 or so, but even switching off some of the final steps in the final bar still results in a poor transition. I use the fantastic Step Jump/Motion Sequence trick. I twirl the release knob to a value of 81. I press Step Jump and then press the first bar button. I press Play, then Record, then hit the first pad and keep it pressed. The first step of the pattern repeats. I then turn the release knob towards 80. The Record light goes out and I release the pad. I've just motion sequenced a release value of 80 onto the first step. I then go into sequencer mode, highlighting the final bar and find the step on which the very last note of the sequence starts. Say it is pad 14. I then twirl the release knob to something like 51 or 46. Back into Step Jump, hit Play, hit Record and press+hold pad 14. Turn the release knob towards 50 (or 45). A release value of 50 (or 45) has been inserted onto that very last note.

So when you play the pattern from the beginning, the release value starts at 80, but the very last note has a shorter release time. So it releases quicker, which means (all being well) it fades out naturally rather than being chopped off when the pattern changes. A bit of experimentation with that final release time is worthwhile.

It takes longer to explain than actually do and works best with shorter synth sounds.

Posted: Sun Jul 26, 2015 6:44 am
by dutchcow
The perceived gap is due to notes not ending naturally when you change pattern. Also there is still a real gap too. A few milliseconds but a gap nonetheless.