Compressor Noise (pop/click) : Solutions?

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- December 24, 2008 at 12:00 am #105983
  
  zazula
  Participant
  
  Hi –
  
  Recently picked up an H8000FW and am noticing the popping/clicking noises in the compressor others have reported here:
  
  http://forum.eventide.com/cs/forums/p/3281/13118.aspx#13118
  
  I'm running software version 5.3.
  
  Have any fixes been identified?
  
  Thanks,
  Ralph
- December 24, 2008 at 1:11 pm #118143
  
  drooney
  Member
  
  Hi Zazula,
  
  It will be helpful to know the exact compressor presets you are experiencing a problem with. Also, how do you have your audio connected to and from the H8000FW and what are the internal signal routings you have configured for the Eventide? If you are using a digital method, what is your clocking source?
- December 24, 2008 at 6:27 pm #118144
  
  zazula
  Participant
  
  Hi – here are the details:
  
  Input source : Guitar (tube pre-amp, line level input)
  Input: Analog 1/2
  Clock: Internal / 44.1k
  Output: FireWire -> Mac -> LogicPro
  
  I first heard the issue with a custom Vsig file but have been able to reproduce it on other presets. For example, 323 "Octal Compressor" shows the problem using the default parameter settings. Strangely, preset 324 "Quad Compressor" does not have the problem, although the compressor settings seem identical according to Vsig.
  
  316 "Compressor_8" : problem
  323 "Octal Compressor" : problem
  324 "Quad Compressor" : NO problem
  custom program : add 1+2 -> compressor -> out 1/2 : problem
  
  The internal signal path is : analog 1/2 -> dspA -> main 1/2 -> FireWire -> Logic
  
  Let me know if any additional info would help diagnose.
  
  Thanks,
  Ralph
- December 29, 2008 at 10:02 pm #129230
  
  drooney
  Member
  
  Hi Ralph,
  
  Thank you for following up with your information. I was able to speak with an engineer and he informed me that in some instances of using very fast transients/frequencies we have had reports on clicks, but we cannot entirely confirm the cause. However to combat this experience we created another module called Compressor 2 which reports no clicks at all; but we left both compressors because old presets may be useful for some users and clicks may not be reported on the original module.
  
  Here are some presets to try that exclusively use Comp 2. 1125 1126, 1128, 1130, 1131, 1140, 1141. Let me know what you experience.
- January 2, 2009 at 10:17 pm #129235
  
  zazula
  Participant
  
  Yes – compressor2 works much better.
  
  Thanks for the help.
  
  Ralph
- January 5, 2009 at 12:36 pm #129238
  
  drooney
  Member
  
  Thank you for following up Ralph. I am glad this was useful for you.
  
  Happy New Year!
- January 7, 2009 at 1:07 am #129244
  
  moremarch
  Member
  
  I seem to experience the same problem on a 7600,when using the 6712 (dual vox processor) on some fast transients. Is this the same issue? Replaced it with 1123 (top 40 compressor) and the clicks and pops are gone–but I miss the de-esser from the original 6712. Thank you.
- January 7, 2009 at 12:01 pm #129245
  
  IDeangelis
  Member
  
  If the preset uses compressor1 it may be possible the problem is the same.
  
  On the second preset you may add the de_esser using Vsigfile editor for Windows, copying and pasting the de_esser modules from the first to the second algorithm.
  
  regards
  
  I
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