Sampled LFO matching rates over different pitches...

This is where to post your questions and tips on creating presets and using cords.

Moderators: stu, Ole

Sampled LFO matching rates over different pitches...

Postby devetron » Mon Aug 27, 2007 8:30 pm

Hi all.

I'm sure this is pretty basic stuff and feel free to point me to another thread if this has been covered already.

Let's say I have sampled a nice droney sound from my Prophet 600 with its LFO sweeping the filter into my e6400 classic running EOS 3.0. I want to be able to play that sample back at different pitches -- no big deal, but I want the LFO rate to be constant regardless of pitch, not slower on the lower notes and faster higher up.

I have tried multisampling each individual note, but that sucks and the LFO on the Prophet runs constantly and doesn't restart on every key press so each multisample has the LFO at a different starting point.

I assume I should use timestretch somehow, but what's the quickest and easiest way to do this. Knowing the EMU the little that I do, I know there are probably six different ways to do it. :???:

Thanks for your help.

**edited to correct EOS version number
Last edited by devetron on Tue Aug 28, 2007 6:28 am, edited 1 time in total.
devetron
 
Posts: 7
Joined: Fri Dec 15, 2006 4:15 am
Location: MN, USA

Postby devetron » Tue Aug 28, 2007 6:02 am

Okay. I read the manual and determined that "PITCH CHANGE" is the proper tool. So, let's say, if I want a full octave of that sound, I would have to make twelve copies of the original sample and pitch change each copy and map them to an octave in a preset? I could do that, or I suppose I could let the EMU's LFO take care of the modulation. Am I missing something?

Just thinking out loud.
devetron
 
Posts: 7
Joined: Fri Dec 15, 2006 4:15 am
Location: MN, USA

Postby sampleandhold » Tue Aug 28, 2007 7:01 am

No. You don't want to use the Pitch shift. It's in essence just timestretching and as clean as it is, your going to lose sound quality. Also, pitchshift is broken up in cents... you'll have to turn the jog wheel enough times to get to 100 just for a half step. Then of course, you have to remember that a fifth is actually 700 cents... So you really need to know what you are doing when it comes to this way...

The best way to do it was the way you originally do it... sample enough of the wave form then cut it down so that the lfo starts at the same time for each note. (Zoom in for Zero Crossings) That's really going to be the only way... Unless you strip the lfo from the orginal sound and use the emu for the filter sweeps.

snh
"{jU$t-n3Rv0U$-N-+h3-@Ll3y-W@y}"
sampleandhold
 
Posts: 581
Joined: Tue Apr 15, 2003 4:38 am

Postby ehasting » Thu Aug 30, 2007 9:23 pm

I would recommend the last suggestion. strip away the lfo from the sample.. and build up the pad/sweep on the sampler using the emu for filtring and lfo.
ehasting
 
Posts: 253
Joined: Sat May 12, 2007 12:51 pm
Location: Norway

Postby ultratron » Tue May 27, 2008 9:09 pm

ehasting wrote:I would recommend the last suggestion. strip away the lfo from the sample.. and build up the pad/sweep on the sampler using the emu for filtring and lfo.


:thumbs: best answer imo.
ultratron
 
Posts: 6
Joined: Mon May 12, 2008 6:56 pm


Return to EOS: The Lab