What Causes This Noise? |
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May 14 2017, 09:55 PM
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Thanks Mertay,
I'll check tomorrow but I think the Engl gain is maxed  Cheers -------------------- SEE MY GMC CERTIFICATE  “Success is not obtained overnight. It comes in instalments; you get a little bit today, a little bit tomorrow until the whole package is given out. The day you procrastinate, you lose that day's success.” Israelmore Ayivor |
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May 15 2017, 02:34 AM
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QUOTE (Phil66 @ May 4 2017, 08:18 PM)  OK, I know this happens but what causes it? It was worse with my GT100 than with this Helix LT, is it the sound of the processors? It's hard to be certain, but no, that does not sound like a sound the processor is producing. I would first suspect a cable, pickup, or interface problem. -------------------- Cyber-industrial music and video animations:
https://vimeo.com/channels/thedignitymachine https://vimeo.com/channels/somewheretohide Facebook: https://www.facebook.com/RodrigoSpacecraft |
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May 15 2017, 08:44 PM
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Ok, I've narrowed it down to something I can't really do much about. It must be something in my electrics, possibly caused by my computer.
On the following recordings, I have hit one note and let it decay then played the same lick so you can hear the tonal difference. There is a difference in volume of the first note on each recording but I don't think it's all down to the compressors, I was only using my finger with no pick, I didn't want a sharp attack, I did use a pick for the lick though. Here is the patch with the original settings. https://soundcloud.com/gmcphil-1/original-settings Here is the patch minus the Red Squeeze. https://soundcloud.com/gmcphil-1/minus-red-squeeze Minus the Deluxe Comp: https://soundcloud.com/gmcphil-1/minus-deluxe-comp Minus both comps: https://soundcloud.com/gmcphil-1/minus-both-comps Here is the guitar just sitting there with me having no comp, then Red Squeeze, then Red Squeeze + Deluxe, then back to Red and back to none. I turned the input levels up for this and forgot to send the input to stereo. https://soundcloud.com/gmcphil-1/none-rc-rcdc-rc-none Now, here is just me holding my guitar and putting it underneath my desk and near to the side of the PC. After I recorded this I did move across the other side of the room with my guitar but it didn't get rid of the noise, so maybe the PC is putting something into the electrical system? https://soundcloud.com/gmcphil-1/computer I think it's something I am going to have to work around as I can't really do much regarding the sockets etc in my room, I only have two in there and everything on my setup is running from one socket  The compressors are exacerbating the problem, I might try putting my Robert Keeley Compressor Pro before the Helix LT instead of using the onboard compressors. What do you think? Or is there something else? I'm enjoying learning about this stuff but it's hindering my practise  Cheers -------------------- SEE MY GMC CERTIFICATE “Success is not obtained overnight. It comes in instalments; you get a little bit today, a little bit tomorrow until the whole package is given out. The day you procrastinate, you lose that day's success.” Israelmore Ayivor |
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May 15 2017, 10:28 PM
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Thanks Mertay,
In the picked section after the long single note I was hitting around -.4db (minus zero point four). I experimented with different set positions and even at the metres away it got no better than when sitting. The recording of the computer was with me putting the guitar nearly touching the side of the computer. I still had the same patch on. When you say record helix direct, do you mean via USB? If it helps, I disconnected EVERYTHING except the mains cable and plugged my headphones (Senheiser HD600) directly into the Helix LT and the exact same noise was there. Cheers -------------------- SEE MY GMC CERTIFICATE “Success is not obtained overnight. It comes in instalments; you get a little bit today, a little bit tomorrow until the whole package is given out. The day you procrastinate, you lose that day's success.” Israelmore Ayivor |
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May 16 2017, 07:11 AM
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I have no dimmers or fluorescent, just halogen spotlights.
I know my electrics are noisy, I had some new pickups fitted once and they were so hummy it was unbelievable, went back to the shop with my amp/guitar/cables, nothing, even on full gain only the noise you would expect. We changed the wiring to the Seymour Duncan style for Les Pauls and it eliminated 95% of the noise. I'll try and find those recordings but I don't think I have them. I think the next step, is for me to find the time, maybe at the weekend, to take my Helix and guitar to another house, not a neighbour as they all have been built to the same standard. First though, maybe just try it downstairs, in the garage to see if it is actually the computer. Thanks for your help buddy. 
-------------------- SEE MY GMC CERTIFICATE “Success is not obtained overnight. It comes in instalments; you get a little bit today, a little bit tomorrow until the whole package is given out. The day you procrastinate, you lose that day's success.” Israelmore Ayivor |
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May 16 2017, 10:23 AM
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Thanks,
I did try a different cable and it was no different, brand new, different brand. No difference. I tried my RG1570 and there was a little bit less noise but that's a higher price bracket guitar than the PRS SE Custom24 that I am using for the tests. Personally I think next step is to do a similar patch in the GT100, see what that does, I'm 99.9% sure it will be the same as I have heard it on that, I heard it on the GT10 and the ME80. All on High gain settings. Then I'll take it down stairs so it's away from the PC and on a different electrical route, the main fuse box is in the garage so I'll be nearer to the incoming mains. After that, it will be to take it to another house, unless the garage thing gives no noise, then I know where to look. Does this sound the right way to you? Cheers my friends. I appreciate your time. -------------------- SEE MY GMC CERTIFICATE “Success is not obtained overnight. It comes in instalments; you get a little bit today, a little bit tomorrow until the whole package is given out. The day you procrastinate, you lose that day's success.” Israelmore Ayivor |
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May 16 2017, 11:42 AM
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QUOTE (Mertay @ May 16 2017, 10:53 AM) I'd say just try with the helix as thats the device you'll be using hopefully a very long time.  It's me you're talking about Mertay, what about when Boss bring their competitor into the ring? I may just get GAS  I think I should change my GMC name to The Gas Master66 I don't know if I'll get time in the next couple of days but definitely at the weekend. Thanks for your help
-------------------- SEE MY GMC CERTIFICATE “Success is not obtained overnight. It comes in instalments; you get a little bit today, a little bit tomorrow until the whole package is given out. The day you procrastinate, you lose that day's success.” Israelmore Ayivor |
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May 16 2017, 11:48 AM
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hehe
 yeah no rush, let me know how thing go
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May 16 2017, 02:38 PM
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Could be the actual type of light bulbs. I know that higher end studios get real anal about their brand and style of lighting. Hardware and bulb brand. And dimmers are a really big deal - as in most of them can cause terrible noise.
I didn't re-read every post but did you try testing with all the lights off (that would be on the same breaker)? Also, have you tried just guitar and cable into an amplifier? This post has been edited by klasaine: May 16 2017, 02:58 PM -------------------- - Ken Lasaine
https://soundcloud.com/klasaine2/foolin-the-clouds https://soundcloud.com/klasaine2/surfin-at-the-country-hop Soundcloud assorted ... https://soundcloud.com/klasaine3 New record ... http://www.cdbaby.com/cd/kenlasaine Solo Guitar ... https://www.youtube.com/playlist?list=PLXZh...5iIdO2tpgtj25Ke Stuff I'm on ... https://www.youtube.com/playlist?list=PLXZh...b-dhb-4B0KgRY-d |
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May 16 2017, 03:00 PM
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Thanks Ken, I'll try that.
The lights are on a different circuit though. My confusion is why the noise isn't there unless the strings are vibrating. I know with hum and gain noise, it's always there. This seems to be generated by the string vibrating. I haven't got much understanding of this kind of thing. It's only a problem if I want to keep the recorded note going until fade out. In the flip side, if I were live, the volume level would be greater so it would be more easily heard. Cheers buddy. -------------------- SEE MY GMC CERTIFICATE “Success is not obtained overnight. It comes in instalments; you get a little bit today, a little bit tomorrow until the whole package is given out. The day you procrastinate, you lose that day's success.” Israelmore Ayivor |
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May 16 2017, 08:34 PM
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QUOTE (Mertay @ May 16 2017, 10:53 AM) The gt100 now seems only to help if the helix has a problem and seems it doesn't since they both have noise. I'd say just try with the helix as thats the device you'll be using hopefully a very long time. In your current room with guitar+helix+headphone, try memorising that noise level with the guitar plugged but volume knob all the way down. Lowering the volume pot is important so we won't confuse where the noise is coming from in different rooms (so we eliminate pickup noise). Since there isn't a noisegate in the preset you shared, these tests should give an idea of whats going on. Hmm, I'm getting somewhere, where I getting to I don't know, but somewhere. Ok I usually have my inputs on the Scarlett at 12 o clock, I vary the input level using the output level of the Helix (at the moment). My Scarlett volume control is usually around 9 o clock and I can't hear the sound that you will hear in the Soundcloud file below. I can hear it if I turn Scarlett volume up to 12 o clock and beyond. To get this recording I put the Scarlett inputs up to maximum, the guitar and Helix volume of completely down. This is PC interference, it changes if I save something to the hard drive or use my scroll wheel. When I switch the PC off, you can hear all kinds of alien sounds as it is shutting down, then when it is off, just normal expected hum and hiss that you get with everything. https://soundcloud.com/gmcphil-1/pc-1 Also, this sound CANNOT be heard through the headphones with the PRS hooked up to the Helix, only through the Scarlett but if I hook up my Ibanez RG1570 to the Helix I can hear the PC noise but ONLY on the bridge pickup The noise that we hear when the strings are moving is NOT there when the volume pot is turned down on either guitar! Please note, this is all done at bedroom levels so would be more prevalent should I ever be brave enough to be on stage UPDATE: I took the Helix LT into the garage, the sound was there but about half the amount. I came back upstairs and tried it through the Scarlett without PC on, same result as the garage. Went through my Valveking, on 20 setting, clean vol 5, master vol 5, I got the hiss when I brushed the string but I would say, it was relative to the sound in the garage. My conclusion, main culprit is the PC, overall, it's my crappy mains AND PC combined, something I'm going to have to live with I think, until I can afford to get a house built with bespoke studio quality mains and noise suppression What do you think? Cheer -------------------- SEE MY GMC CERTIFICATE “Success is not obtained overnight. It comes in instalments; you get a little bit today, a little bit tomorrow until the whole package is given out. The day you procrastinate, you lose that day's success.” Israelmore Ayivor |
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