Community: POD HD clipping and popping

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442 Views 13 Replies Latest reply: Mar 19, 2012 5:06 PM by Line6david

giannis_nx5

6 posts since
Mar 1, 2012

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Mar 2, 2012 9:40 AM

POD HD clipping and popping

The thread name says it all. I tried everything, EVERYTHING (changing buffer size, changing usb cables, changing recording pc, changing headphones, win7 tweaks...) i have found in this forum, also have read a troubleshooting for HD500 and HD Pro - nothing helped.. When i record a clean tone it pops, dirty tones are clipping and popping... I need your help!!

Windows 7 64 bit Home Basic SP1

Intel Core i7-2630QM CPU@2ghz

4 gb ram

Connected via USB cable to my laptop..

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Tags: problem, recording, pop, clipping, pod_hd

phil_m
4,243 posts since
Jan 25, 2007

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Mar 2, 2012 9:52 AM (in response to giannis_nx5)
Re: POD HD clipping and popping

Have you seen this? http://line6.com/support/docs/DOC-4282

I'd try doing these things first. The point about disabling your wireless adapter seems to be a common one. I know if I don't do that on my laptop, I get pops and clicks.

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- giannis_nx5
  6 posts since
  Mar 1, 2012
  
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  Mar 2, 2012 10:01 AM (in response to phil_m)
  Re: POD HD clipping and popping
  
  I tried that too...
  
  I also tried to record tone with reduced send level, but i get a quiet tone with huge block of clipping and popping.
  
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  - meambobbo
    1,702 posts since
    Dec 13, 2007
    
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    Mar 2, 2012 10:29 AM (in response to giannis_nx5)
    Re: POD HD clipping and popping
    
    are you hearing clipping if you plug headphones directly into the unit?
    
    i have identified a number of sources of clipping, but they are related mostly towards clipping internal to the Pod"
    http://foobazaar.com/podhd/toneGuide/setup#clipping
    
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    - giannis_nx5
      6 posts since
      Mar 1, 2012
      
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      Mar 2, 2012 11:08 AM (in response to meambobbo)
      Re: POD HD clipping and popping
      
      If i plug headphones and play - everything is clear and loud..
      thanks for the link...
      
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      - meambobbo
        1,702 posts since
        Dec 13, 2007
        
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        Mar 2, 2012 11:19 AM (in response to giannis_nx5)
        Re: POD HD clipping and popping
        
        the only thing I can think is that your USB controller is lumped in with other interrupt requests. I believe laptops would be worse in this regard than desktops. also in a desktop you could add a usb pci card to virtually guarantee that USB port has its own IRQ.
        
        are there other USB devices you can unplug?
        
        try to disable any device in your system that you are not using, such as LAN adapters. The best place to do this is in firmware, but if that's not possible, you can do it in windows device manager.
        
        see here:
        http://www.vistax64.com/attachments/sound-audio/12791d1242087449-irq-wireless-usb-conflict-sound-card-irq-problem-2.jpg
        
        guy had a conflict between the wireless adapter and wired adapter, and somehow that messed up his audio playback.
        
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        meambobbo
        1,702 posts since
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        Mar 2, 2012 11:22 AM (in response to meambobbo)
        Re: POD HD clipping and popping
        
        http://avid.custkb.com/avid/app/selfservice/search.jsp?DocId=401407
        
        this stuff can get nasty...good luck
        
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  - phil_m
    4,243 posts since
    Jan 25, 2007
    
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    Mar 2, 2012 10:36 AM (in response to giannis_nx5)
    Re: POD HD clipping and popping
    
    What DAW are you recording with?
    
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    - giannis_nx5
      6 posts since
      Mar 1, 2012
      
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      Mar 2, 2012 10:56 AM (in response to phil_m)
      Re: POD HD clipping and popping
      
      Adobe Audition 3
      also tried sony acid pro 7
      
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jimsreynolds
2,227 posts since
Jun 27, 43450

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Mar 2, 2012 11:45 AM (in response to giannis_nx5)
Re: POD HD clipping and popping

As meam says: this kind of troubleshooting can be hairy. Couple of suggestions.

1) If there is another USB port on your laptop (ideally on a different edge) then try that in case there is an internal hub in use.

2) Try using running MSCONFIG.EXE and disabling all your startup programs and try again. If things are improved: start re-introducing programs until it breaks again and then take a look at what is causing the failure.

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giannis_nx5
6 posts since
Mar 1, 2012

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Mar 2, 2012 12:52 PM (in response to giannis_nx5)
Re: POD HD clipping and popping

Ok, clipping eliminated by changing laptop AC adaptor.. phew.. but these annoying pops are still present!

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Line6david
5,196 posts since
Jan 27, 2010

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Mar 14, 2012 4:18 PM (in response to giannis_nx5)
Re: POD HD clipping and popping

Hi,

At this point we need to determine if the pops and clicks are an issue with the laptop itself. Do you have another computer you can try it with?

Thanks,
David

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- giannis_nx5
  6 posts since
  Mar 1, 2012
  
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  Mar 16, 2012 3:29 PM (in response to Line6david)
  Re: POD HD clipping and popping
  
  Thanks man, but i just changed pc adaptor and usb cable. Everything is clear and loud. All ok.
  
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Line6david
5,196 posts since
Jan 27, 2010

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Mar 19, 2012 5:06 PM (in response to giannis_nx5)
Re: POD HD clipping and popping

Hi,

Cool, glad to hear it. I'll mark this thread as answered. Let us know if you need anything else.

Thanks,
David

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Mar 2, 2012 9:40 AM

POD HD clipping and popping

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