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Soundsynthesis question/problem.

Hi there,

I have a little question about soundsythesis. I just created this nice pad-sound with the Supernova II, and there seems to be a phase problem.
Over time, the osc's are phasing each other out, you can understand that this is really annoying to me. However, I think the problem lies with the LFO's, because, to my recollection, they control frequencies over time. I turned off both LFO's, but that didn't help at all.
Does anyone know what this could be:

Sample

what the hell.. are you getting the exact same result every single time you re-render?

Sounds like the oscillators are detuned. Try setting the fine/detune level to 0 on oscillators and see if that 'fixes' it.

Some synths have this feature where they have a free running mode for the oscillators, which means that the oscillators keep oscillating when the notes off, and just get their amplitude turned up when you hit the note. As opposed to restarting the oscillator from 0 every time you hit the note. You might be able to turn this off.
I'm assuming you've already tried just turning down the detune on the synth.

Maybe a long shot, but is there a "sync" button on the osc selection, that could help.

Thanks everybody for your responses. I am going to the studio now, so I'll post you the outcome.

So, I'm in my studio right now and tried all the things you guys said:
- The third oscillator was slightly detuned, when I fixed that, the problem still exists.
- Unfortunately there is no 'sync' knob on the supernova, so that didn't help either.

However, I noticed this problem only accurs playing chords. When playing single notes, this doesn't happen....

quote:

Originally posted by palm sounds more like u have to low latency on your soundcard or loose contacts etc, i dont know supernova, is it a hardware synth?

Yes....

quote:

Originally posted by Theran However, I noticed this problem only accurs playing chords. When playing single notes, this doesn't happen....

Maybe ur using too much polyphony, or some kind of mono setting. i know the standard SN 2 has 24 Voices though.

Give us a sample.

quote:

Originally posted by Subtle Maybe ur using too much polyphony, or some kind of mono setting. i know the standard SN 2 has 24 Voices though. Give us a sample.

You can find a sample in the first post.
I actually don't think it has something to do with the output settings. It's true that the SN2 has 24 voices, so it can't be that. And there just a standard polyphony button, you can't make polyphony settings with it.

It's really starting to bug me

quote:

Originally posted by palm did u also try more latency? ive heard stuff like this before here but not THAT uhm structured (not a good word for it but cant realy explain it otherwise). sounds like bitstream fuckup somehow.

Latency is a delay, I think you mean samplerate.
The problem is really in the sound....

quote:

Originally posted by palm the delay as u call it might be too short for the computer to handle as u are sending midi out also i guess. just try it. i dont know if its help but its not very big hassle to try.

Thanks Palm, but I have no idea what you are talking about regarding to my problem. This pad-patch is the only sound that does this, so it is a problem in the sound structure, not midi or output.

quote:

Originally posted by Theran - Unfortunately there is no 'sync' knob on the supernova, so that didn't help either.

I'm going from memory here (I sold my SNI a few months ago), but there is a sync button in the modulation matrix (to the right of the oscillators IIRC). Press that and then you have control over the level of sync and amount of modulation from each of the LFOs (which could be the culprit).

Could you post a short clip of the patch, preferably with both single notes and chords, so we can hear the sound?

Hi everyone,

I'd like to thank you for all your help. The problem has been resolved now .
It's seemed to be that the combination of reverb, delay and chorus was killing the sound. After turning of these effects, there was no problem.

The only thing I would like to understand is how effects can cause this type of problem... Lesson for the next time

seems like a hardware failure imo. complain to novation, send them the patch and ask if they get the same.

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