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Re: Nord Sample Editor - How to easily create your own sampl

Postby Berretje » 16 Oct 2015, 14:14

tomzi wrote:
Mr_-G- wrote:The trick is to get short ones and create good loop points... not that easy, specialy for decaying sounds or low modulating ones.


Yes that´s true, it would be nice to have a tutorial which shows how to create that loop points perfectly (I do it like try and error - sometimes it works, sometimes not)


Making a perfect loop completely depends on the type of wave/instrument/sample. So how the waveform behaves. I think it's a matter of getting the feeling of it by just trying.

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Re: Nord Sample Editor - How to easily create your own sampl


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Re: Nord Sample Editor - How to easily create your own sampl

Postby pablomastodon » 16 Oct 2015, 17:13

tomzi wrote:it would be nice to have a tutorial which shows how to create that loop points perfectly


As Bart said, this depends heavily on the nature of the sound being sampled. For this reason there is no "one-size-fits-all" way of discussing this. For some types of sounds it is not possible to create "perfect" loop points.

Also, this ventures out into the area of basic music technology knowledge and is not Nord-specific. For novice musicians it would be nice to have a tutorial which shows how to play music, but that's way beyond the realm of what can reasonably be expected of a keyboard maker. Users must bring a skill set and certain amount of knowledge to the table, and be willing to experiment with it (thereby expanding their skill set and knowledge).

Bless,

Pablo
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Re: Nord Sample Editor - How to easily create your own sampl

Postby tomzi » 17 Oct 2015, 19:39

tomzi wrote:
Yes that´s true, it would be nice to have a tutorial which shows how to create that loop points perfectly (I do it like try and error - sometimes it works, sometimes not)



To answer my own question i found that tutorial on youtube: :D

Watch on youtube.com

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Re: Nord Sample Editor - How to easily create your own sampl

Postby Mr_-G- » 18 Oct 2015, 13:33

One should not be jumping the start loop from here to there as shown in that video, hoping to find 'by chance' a good loop point. It just won't happen.
Here is a list of things I do, I hope is useful to others:

0. I normalise all the samples (in Audacity) before loading into the NSE. If there is a noticeable background presence, I sometimes also remove noise with the noise reduction command in Audacity.

1. In general, looking a the low resolution of the wave, you can sometimes see large scale cyclic variations of amplitude and those give a good indication of what the loop region could be.
Most of the beating in the loops are because these cycles (phases and the amplitudes) do not match and therefore you end up with a different spectral contents in 2 parts we are trying to mix.

2. If the sound has a sharp transient, like a piano sound, do not start the loop too close to the start of the sound as it will be practically impossible loop seamlessly.

3. Start with no crossfade (XFade) at all, and try to match the red and green waveforms in the right side pane, using first the Length Coarse and then Fine Phase adjust controls, but do not alter the Loop start.

4. Only then use the XFade to see how that mixes up. Long XFades are no solution to badly matched loop points.
I found many times that the XFade does change the colour of the sample (phase cancellation and all that), so use it cautiously and aim for short XFades first.
I often found that the 3 XFade Curves did not make much of a difference and tend to use the Linear (default) more often.

5. If fiddling with this does not yield any good results only then change the Loop start and restart the whole process again.

6. When re-sampling a module that also uses looped samples, chances are that you might be able to find some good looping points, so recording sample longer that you might end up using is perhaps a good idea.

7. When sampling wind instruments that do not seem to have a lot of variation in time (like a flute, oboe, etc.) you might want to use a long loop first anyway, because there are tiny changes in pitch and tone that make a difference to the natural sounding of the sample. If you loop too short, (a few cycles) it will sound synthetic. One way to check for this is with Audacity, showing the spectrogram of the recorded track rather than the waveform.

Enjoy.
Last edited by Mr_-G- on 18 Oct 2015, 18:24, edited 1 time in total.

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Re: Nord Sample Editor - How to easily create your own sampl

Postby cookie » 07 Dec 2017, 18:34

Before selling some of my gear, I wanted to sample some of the sounds.
There must be something I'm missing because I never had the NSE to "multi sample per file assign" correctly.
I used the vel127.mid from the tutorial here, got my midi player play the file while Audacity was recording. Have my nice WAV 44k file I can load in NSE and see each individual notes.
Set C2, 4 semi, -45dB and Continuous but clicking assign only gives me C2 mapping :(

I'm using NSE latest version : 2.28.

Must be something stupid but can't figure it out.
Files attached below.

Thanks,

Fred
Attachments
vel_127.mid
Velocity 127 midi file
(233 Bytes) Downloaded 109 times
Rhodes_test.zip
ZIP file of WAV 44k Rhodes samples
(7.67 MiB) Downloaded 112 times
Last edited by cookie on 07 Dec 2017, 18:50, edited 1 time in total.
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Re: Nord Sample Editor - How to easily create your own sampl

Postby maxpiano » 07 Dec 2017, 19:11

cookie wrote:Before selling some of my gear, I wanted to sample some of the sounds.
There must be something I'm missing because I never had the NSE to "multi sample per file assign" correctly.
I used the vel127.mid from the tutorial here, got my midi player play the file while Audacity was recording. Have my nice WAV 44k file I can load in NSE and see each individual notes.
Set C2, 4 semi, -45dB and Continuous but clicking assign only gives me C2 mapping :(

I'm using NSE latest version : 2.28.

Must be something stupid but can't figure it out.
Files attached below.

Thanks,

Fred


Try with -30dB ;)

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Re: Nord Sample Editor - How to easily create your own sampl

Postby cookie » 07 Dec 2017, 20:05

Thanks !

How do I find the magic number from an existing WAV ?
Or maybe I should "normalize" in Audacity and keep the -45 ?

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Re: Nord Sample Editor - How to easily create your own sampl

Postby maxpiano » 07 Dec 2017, 21:43

cookie wrote:Thanks !

How do I find the magic number from an existing WAV ?
Or maybe I should "normalize" in Audacity and keep the -45 ?

Fred


By trial and error, but normalizing is anyway a good idea.

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