Low Pass Filter issue (ESX-1)

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Low Pass Filter issue (ESX-1)

Postby Dj Pound on Sun Feb 22, 2009 10:34 pm

has anyone noticed that if you take a sample and turn on some compression and than try to filter it with the Low pass filter on the front panel, it doesnt filter!
It'll filter the actual sound but at the same time some kind of weird white noise sound is mixed in with the original waveform.
WTF.... ???

On the other hand if you select the low pass filter out of the effects section and try it with some compression theirs absolutely no white noise whatsoever.

???
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Re: Low Pass Filter issue (ESX-1)

Postby killedaway on Mon Feb 23, 2009 10:03 am

i know we talked about this on the KORG forums, but i still think it may be your samples, as my ESX does not exhibit any white noise, when i use the compressor and the LPF.
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Re: Low Pass Filter issue (ESX-1)

Postby Dj Pound on Mon Feb 23, 2009 12:50 pm

yeah it may be my samples. Usually i sample atleast 99% of the time from vinyl, and say when im filtering out a kick using the LPF on the front panel in conjunction with compression i get that damn white noise. But keep in mind though that if i turn off the compression and just use the LPF by itself on a sample, theirs none of that annoying noise whatsoever.
I thought for a minute it might be that using a 12DB sample with compression was the problem.
I figured that the sample was too loud and compression as you said just magnifies the noise level, so i started to make comparisons between a 0db sample and 12db sample with compression added to it. And it didnt seem to make a bit of difference, i still got the damn white noise!

I dont know, im just kinda frustrated. I have found numerous ways to workaround this problem...but at times it can be tedious and i find myself wishing "damn if the thing just worked right" :)
oh well.

*Oh and i have thought about sampling from a CD as opposed to just strictly vinyl, and compare the two using the LPF + compressor on them to see what results i get.
But i noticed that even with the stock preset sounds if i try to filter them out with compression applied to them the noise is still present.
i dunno.




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Re: Low Pass Filter issue (ESX-1)

Postby killedaway on Mon Feb 23, 2009 12:57 pm

the compressor on the EMX/ESX is the one effect i have no use for. i think it's terrible. you really might consider just picking up a cheap rack compressor. a dbx266 or Alesis 3630 can be had for very little, and while they're quite low-end in the world of hardware compressors, they're light years ahead of the EMX/ESX's effect. of course, there's software too, but i'm not familiar with any of it.

the nice part about a standalone compressor is that you can strap it across the ESX's entire output, and it's not gonna get too bogged down or run out of headroom, like the ESX's internal effect. you can also route outputs 3/4 to it, and just always have it applied to your kicks and snares (or whatever).
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Re: Low Pass Filter issue (ESX-1)

Postby Dj Pound on Mon Feb 23, 2009 1:19 pm

yup...i think its time to drop some cash and just get a compressor.
I was holding out there for a minute, but what you just said made me realize that having it as a tool at my disposal at any given time is quite a plus, and could really only help my situation.

peace and love

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Re: Low Pass Filter issue (ESX-1)

Postby StellarJay[aka Ruso] on Mon Feb 23, 2009 1:25 pm

killedaway wrote:the compressor on the EMX/ESX is the one effect i have no use for. i think it's terrible. you really might consider just picking up a cheap rack compressor. a dbx266 or Alesis 3630 can be had for very little, and while they're quite low-end in the world of hardware compressors, they're light years ahead of the EMX/ESX's effect. of course, there's software too, but i'm not familiar with any of it.

the nice part about a standalone compressor is that you can strap it across the ESX's entire output, and it's not gonna get too bogged down or run out of headroom, like the ESX's internal effect. you can also route outputs 3/4 to it, and just always have it applied to your kicks and snares (or whatever).



Pick up a cheap tube compressor (for example berhinger tube compressor or a pair of cheap presonus tube compressors) and swap the tubes for nicer ones and you won't regret it :) It will beat most mid-range hardware units and will provide the dynamics of tubes and also the warmth.

One thing to look into for hardware is an external effects processor that supports midi.... something that would allow you to change the effects "patch" when you turn the wheel on your electribe so you could integrate the effects into the electribe completely.

This one looks very promising: http://www.guitarcenter.com/TC-Electron ... 1165460.gc




Now about this post, please post technical questions in the appropriate forum :) And yes, the electribe's compressor will pick up any noise that's not even audible in a sample.... I can see the LPF with resonance easily amplifying a background noise while the compressor picks it up and chokes on it. I've noticed that low quality samples are hellatious with the compressor.... I think the compressor and the reverb have the same flaw and cannot be used with any form of modulation due to the fact that weird unfix-able artifacts appear that will choke your whole composition. The worst part is, they can be different every time you play the loop back (for example it can play through five times fine and on the sixth time freak out)....
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