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Joined: Jun 2012
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Hi Everyone! I plugged my FP-30 to the Mackie passive volume controler which is connected to my monitor speakers by the 3.5mm cable and I discovered strange buzzing. I recorded that issue using recorder Zoom H4n, close to the monitor membrane: https://soundcloud.com/rychubil/fp-30-buzzingAny one to had similar issues? Any one know, what can be the reason?
Kawai VPC1 | Arturia Minilab Mk2
Pianoteq 6 Pro | Synthogy Ivory II | Arturia Analog Lab Lite | Korg Collection
Roland Quad Capture | Neumann KH120 | Grado SR225i
cornet Olds Ambassador, Hohner harmonicas and melodicas
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Joined: May 2018
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To me that sounds like electromagnetic interference caused by some sort of radio transmission (possibly WiFi); the sound itself reminds me of modems of ye olden days. The noise seemed to happen in two separate packages. My immediate thought is that we're observing electronic communication between devices following a protocol including distinct packages of data.
Physical instruments: Roland FP-30, and E-28
Virtual instruments: "The Experience" piano collection, NI "The Maverick", Galaxy II Grand piano collection, Synthogy Ivory II Studio Grands, Production Voices Estate Grand, Garritan CFX Lite, Pianoteq 7.5.2
Focus: 1850±100 years
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A USB cable near the audio cable or some other data cable causing interference?
Just a wild guess. I really have no idea.
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A USB cable near the audio cable or some other data cable causing interference? Yes, scored! I unplugged USB cable, which was connected to the computer's sound card and the issue disappeared. Thank you 
Last edited by RichieBill; 05/22/19 11:45 AM.
Kawai VPC1 | Arturia Minilab Mk2
Pianoteq 6 Pro | Synthogy Ivory II | Arturia Analog Lab Lite | Korg Collection
Roland Quad Capture | Neumann KH120 | Grado SR225i
cornet Olds Ambassador, Hohner harmonicas and melodicas
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Joined: Apr 2018
Posts: 9,824
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A USB cable near the audio cable or some other data cable causing interference? Yes, scored! I unplugged USB cable, which was connected to the computer's sound card and the issue disappeared. Thank you Not sure if it does anything, but I only use shielded USB cables around my audio equipment and DP (in fact, all my cables around audio equipment and DP are shielded, no matter what they are for). Usually by either an aluminum or aluminum alloy sheath. I figure since I haven't experienced any leakages, it at least didn't hurt.
![[Linked Image]](https://forum.pianoworld.com//gallery/42/medium/12282.png) across the stone, deathless piano performances "Discipline is more reliable than motivation." -by a contributor on Reddit r/piano "Success is 10% inspiration, and 90% perspiration." -by some other wise person "Pianoteq manages to keep it all together yet simultaneously also go in all directions; like a quantum particle entangled with an unknown and spooky parallel universe simply waiting to be discovered." -by Pete14
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Joined: Jun 2012
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A USB cable near the audio cable or some other data cable causing interference? Yes, scored! I unplugged USB cable, which was connected to the computer's sound card and the issue disappeared. Thank you ... I only use shielded USB cables around my audio equipment and DP ... I figure since I haven't experienced any leakages ... Can you show me please any good example of shielded USB cable (Amazon or other)? I am not sure which kind of I use.
Kawai VPC1 | Arturia Minilab Mk2
Pianoteq 6 Pro | Synthogy Ivory II | Arturia Analog Lab Lite | Korg Collection
Roland Quad Capture | Neumann KH120 | Grado SR225i
cornet Olds Ambassador, Hohner harmonicas and melodicas
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Joined: Apr 2018
Posts: 9,824
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Can you show me please any good example of shielded USB cable (Amazon or other)? I am not sure which kind of I use.
There are tons available on Amazon. Search for shielded USB cable and check descriptions and customer reviews.
across the stone, deathless piano performances "Discipline is more reliable than motivation." -by a contributor on Reddit r/piano "Success is 10% inspiration, and 90% perspiration." -by some other wise person "Pianoteq manages to keep it all together yet simultaneously also go in all directions; like a quantum particle entangled with an unknown and spooky parallel universe simply waiting to be discovered." -by Pete14
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Joined: Dec 2012
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To me that sounds like electromagnetic interference caused by some sort of radio transmission (possibly WiFi); the sound itself reminds me of modems of ye olden days. The noise seemed to happen in two separate packages. My immediate thought is that we're observing electronic communication between devices following a protocol including distinct packages of data. +1. USB cable? Ethernet cable ? It _doesn't_ sound like a ground loop, or anything similar to a ground loop. Some ferrite chokes on the connecting cables might help. Electronic supply houses have them; I don't know if they're available through normal retail "hi-fi" or "music store" channels.
. Charles
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PX-350 / Roland Gaia / Pianoteq
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Yay! 
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Yikes! 10000 Post Club Member
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All cables are shielded ... so long as you stay away from the dollar store cables, or ones sold online for stupid low prices. Can you show me please any good example of shielded USB cable (Amazon or other)?
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Joined: Jun 2012
Posts: 412
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All cables are shielded ... so long as you stay away from the dollar store cables, or ones sold online for stupid low prices. Can you show me please any good example of shielded USB cable (Amazon or other)? I think, rather I have shielded USB cable, cause I've paid 15 GBP for 5m one.
Kawai VPC1 | Arturia Minilab Mk2
Pianoteq 6 Pro | Synthogy Ivory II | Arturia Analog Lab Lite | Korg Collection
Roland Quad Capture | Neumann KH120 | Grado SR225i
cornet Olds Ambassador, Hohner harmonicas and melodicas
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