How to create loops in samples for sustaining sound

Sampler and Sampling discussion (techniques, tips and tricks, etc.)
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Are there any tricks or methods to find the right loop points in for example a bass sound, so that you can sustain that sound with this loop? I just can't get it right, there are always some artifacts and the sustain sound never seems to have the same pitch as the sound without a sustain loop.

Tips?

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Longer loops?

In Sonar, you can just slide the edges of the clip around until you get it to sound right. It might help if you use whatever looping procedure that your host provides rather than doing it in an audio editor. At least you'll get everything taken care of at once and know that your clip is going to work exactly the way you want it to.

Cut it at the zero crossings and you should be fine.

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stereo files can be harder to loop so convert to mono and do each side seperately. this may or may not be applicable oh well :P

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wazun wrote:Tips?
zoom in ... tweak ... listen ...

... or get a host / editor / plugin that finds loop points for you ...

... what gear you using for this ???

slainte :ud: rob

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buy Zero-X Seamless Looper. It's a great product that will do exactly what you need.
-miles

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bro. miles wrote:buy Zero-X Seamless Looper. It's a great product that will do exactly what you need.
I second that :D
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pHz wrote:
wazun wrote:Tips?
zoom in ... tweak ... listen ...

... or get a host / editor / plugin that finds loop points for you ...

... what gear you using for this ???

slainte :ud: rob
I'm using Shortcircuit Free.

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In these days with multi gigabyte sample libraries, many of the old tricks of sampling seem to be getting lost slowly.

On a live sampled bass sound, you probably want a longer loop section. To hide the jumpy effect you usually get, you can use a crossfade looper. Wavelab for example has a pretty good crossfade loop function... the Zero-X looper is also not bad... Soundforge crossfade used to be quite bad (no equal power setting), but could work too. The best crossfade settings as well as overall sample editing function are still in my trusty old Kurzweil K2500, it's just a lot of hassle to transfer the samples back and forth.

Another way: If you have HALion, you can use realtime crossfade loops. It also features tuning settings for really short loops.

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shortcircuit has a variety of loop options ... including crossfade ...

... adjust the loop points in shortcircuit while holding the note down ... that way you can scan / sweep through for the best (might never get a perfect sounding loop with fairly short bass samples) loop points ...

slainte ;) rob

(edited for typo)
Last edited by pHz on Mon Jun 05, 2006 10:23 pm, edited 1 time in total.

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pHz wrote:shortcircuit has a variety of loop options ... including crossfade ...

... adjust the loop points in shrotcircuit while holding the note down ... that way you can scan / sweep through for the best (might never get a perfect sounding loop with fairly short bass samples) loop points ...

slainte ;) rob
Thanks, I'll try that crossfade thing.

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I edit crossfade loops using Sound Forge. I don't use it's built in "automatic" crossfade tool since it only does linear fades that create a dip in the sound. I do them by hand by cutting, pasting and using Sound Forge's envelopes tools.

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John Vulich wrote:I edit crossfade loops using Sound Forge. I don't use it's built in "automatic" crossfade tool since it only does linear fades that create a dip in the sound. I do them by hand by cutting, pasting and using Sound Forge's envelopes tools.
Wow... you must have too much time on your hands... ;)

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