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1

Friday, April 13th 2012, 8:29pm

Bend with 2 notes ore more, a.h, NUMERICAL NOISE !!!

Hi, i made some test cause i already noticed that some numerical noises appears with sometimes.

Especially with bend with 2 notes, or artificial harmonics etc

Here an exemple with a YJM profile (01h with MARSHALL 1960 cab) normal then with reverb then with green scream (drive 0.0)

Maybe better for you to not clic !

I do love the tone but when you notice numerical noise, you hear just that :(

Posts: 6,314

Location: Denzlingen, Germany

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2

Friday, April 13th 2012, 9:11pm

In my humble opinion those problems (including the direct out clip) are caused by some issue with your sound card. I may well be wrong, but do you have a chance to borrow a different one. Just gut feel, no knowledge behind it...
"Music is enough for a lifetime, but a lifetime is not enough for music" Serghei Rachmaninoff


3

Friday, April 13th 2012, 9:30pm

In my humble opinion those problems (including the direct out clip) are caused by some issue with your sound card. I may well be wrong, but do you have a chance to borrow a different one.Just gut feel, no knowledge behind it...


No, it can't be cause of my soundcard, for the output i've got problem when profiling without going into my soundcard, my samples are just the direct level from my guitar and from the kemper if it was my sound card the problem should be for the 2 examples.

For the numerical noises i've got exactly the same problem with headphone (i recorded the sample with the headphone on my ears)


Is it something that can be resolve with an update ??

Posts: 6,314

Location: Denzlingen, Germany

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4

Friday, April 13th 2012, 9:35pm

Ok, thanks for clarifing! Could you post the profiles used so that I can check if I get the same here? At the end you could really have a faulted D/A converter...
"Music is enough for a lifetime, but a lifetime is not enough for music" Serghei Rachmaninoff


5

Friday, April 13th 2012, 10:00pm

voila :)

http://www.toofiles.com/fr/oip/documents…1323-31-45.html


I think it's a great profile until you play thing like in the sample.

I will make another test but i think this problem is on more profile than just this one.

6

Friday, April 13th 2012, 11:43pm

Here a harrible sample for the courageous (sorry i just play bend that my Kemper doesn't like)

i Can here the problem in every amp i used

http://soundcloud.com/mugiwara-4/test-kpa-numerical-noises

I reamp the same sample with those profiles that i choose randomly:

Z28 flat
YJM100
ZAP POLY DRIVE
Vox Two 5
UWE Mars 1974
Pure Blues
TillS VK100 2 MICS
Tupelo Lead +
Ola Triple Recto Tight
MARK V 3 EXTREME 2
Marshall Gollub Crunc
Fischers AC BM Booster


For those how want to test a reamping the dry file:
[url]http://www.toofiles.com/fr/oip/documents/wav/testkpanumericalnoises.html
[/url]

7

Saturday, April 14th 2012, 12:06am

Mabye i'm not hearing exactly what your'e hearing, but that's the point of that particular kind of two finger bend, the idea is to play with the phase between the strings and create a ringing/warbling tone, so what you're hearing is phase interference between the two strings amplified by compression. You get the same effect with a real amp, though a lot depends on your guitar and it's pickups. Have you tried recording just your guitar dry signal?

8

Saturday, April 14th 2012, 12:28am

Here's an example of what I mean, in case this is what you're hearing : http://www.peranders.com/general/bend_phasing01.aif

The first time around is just the guitar direct in through the interface, you can hear the phasing/resonance if you listen carefully. Then to make it easier to hear I recorded again but this time with a compressor on it, and finally i played through the Kemper and one of it's profiles.

I recorded using the neck single-coil pickup which is brighter and accentuates this sound, if i use my bridge humbucker then it's more muffled and becomes less obvious, but this is a sound you'll get with an acoustic guitar too as the two strings go in and out of phase.

9

Saturday, April 14th 2012, 1:23am

Yeah, I'm hearing what Per is, i.e., the "beating" you get when you bend two strings an asynchronous amount. Just like when you are tuning a string against a reference pitch. Some distortion pedals make it more pronounced than others but I have never thought the ones that make it pronounced were "wrong".

10

Saturday, April 14th 2012, 1:46am

@Per, the dry signal is in my last post.


Personally i here something numerical AND what you talking about.

Will do more test tomorrow.