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Posted by Dj Nacht on Apr-08-2008 02:10:

Portamento Question

Hey everyone this is something that has been bugging me for a long time when producing. Going to be a bit difficult to explain and if nobody understands I might add an audio example.

Basically ive got 3 long notes playing on a midi track hooked up to a synth. Each note overlaps the next one by a quarter note which makes em slide together(portamento?). Makes for a smooth sexy synth line except for the first note which hits like a normal note. This is a big hell no! I want all the notes to slide including the first one. Is there a way to do this?


Posted by echosystm on Apr-08-2008 02:13:

Re: Portamento Question

quote:
Originally posted by Dj Nacht
Each note overlaps the next one by a quarter note which makes em slide together(portamento?).


This isn't portamento, it's just two notes overlapping.

You need to enable portamento in the synth, then set the "glide" time. Note: portamento is usually only available in monophonic.


Posted by derail on Apr-08-2008 02:31:

Some ways to do it, depending on the synth and the way it's been set up:

Draw a note in front of the first note, with zero velocity. This usually means zero volume for most synth patches, so that note won't be heard. But it'll still glide into the first note you do want to hear. (though if you've set up a loop, that's not going to work, since that note won't get triggered - a loop's always going to have problems, in terms of the last note gliding into the first note - it chops the last note off where the loop ends)

With some synths, you can set them so the notes glide from one to the other without requiring the notes to overlap (overlapping notes gliding into each other is usually called legato.) Portamento will usually not require overlapping notes, but it could well vary from synth to synth. Once again, put a silent note in front of the sequence and the first note will slide from that note. Loops will work fine with this method, since the notes don't need to overlap.


Posted by Floorfiller on Apr-08-2008 02:51:

derail is right. what you are describing seems to be legato...a smooth note to note slur...

portamento is a slide from one note to the next, meaning that basically the pitch slides up until the next note...


if you want the first note to ease in...wouldn't you just lengthen the attack? if you want it to actually have a portamento effect...you can automate the pitch envelope to make something similar...


Posted by echosystm on Apr-08-2008 02:53:

quote:
Originally posted by Floorfiller
wouldn't you just lengthen the attack?


and/or release, i reckon


Posted by cryophonik on Apr-08-2008 07:48:

I think what he's looking for is not portamento per se, but rather just pitch modulation on the attack. If you assign an envelope to the pitch of the sound and invert the envelope (usually by assigning a negative value to the level of the envelope, depending on the synth) it will glide up to the note you are playing, regardless of whether the notes are overlapping (as in portamento) or not.

Here's a quick example that I made in Massive:

Pitch Modulation Example

Is that the effect you're looking for?


Posted by Dj Nacht on Apr-08-2008 17:10:

Thanks everyone, im pretty sure its legato. I dont think there is any good way to remove the initial transient of the first note. Ill try some of the things mentioned here though.


Posted by 3F05Q on Apr-08-2008 18:40:

Lower your attack time?


Posted by Dj Nacht on Apr-08-2008 20:10:

Increasing the length of the attack wont help. All it does is make the first note gradually kick in.


Posted by 3F05Q on Apr-08-2008 20:27:

I'm aware of that. You said initial transient, so I pictured an envelope with a fast attack, quick release. I'm down with the dead start note method.


Posted by Zak McKracken on Apr-08-2008 20:43:

as most synths is monophonic in legato mode, you could use three synths (if vst) or three recordings (if hardware without multitimbrality), 1 for the lower keys in the chord, 1 for the mid keys, and one for the upper keys. that is if its the sliding effect u want with the pitch and not volume fading in. if its the volume thats supposed to glide in-out then attach and release is all u need to play with as everyone else mentions. a sample would help us/me as im not sure what it is that ur after.


Posted by theognis1002 on Apr-08-2008 20:56:

does z3ta+ or massive have portamento? i couldnt find it


Posted by evo8 on Apr-09-2008 10:47:

Z3ta has portamento settings on the global (GL) tab



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