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Totally Desperate with this Recurring Problem.. Mixer and Webcam cause popping sound

Discussion in 'Recording' started by kilerb, May 18, 2012.

  1. kilerb

    kilerb Active Member

    Hi guys... I'm so stressed out from this problem. I keep thinking I've fixed this problem and then it comes back. I don't know what else to do and this is 3 weeks in the making now. If someone can help me with this, I will send you some money via paypal... If it can't be figured out over the forum board, then if someone in LA is a real specialist with this sort of thing, I can pay you to come out. I just don't know what else to do anymore...


    I have a brand new computer. Fresh Win 7 64 install from cyber computers. I mention that so you know there isn't any pre-installed software on there. It's pretty powerful... i7 3820 with 8gb of RAM and a solid state drive for the OS and software. Asus Sabertooth X79 motherboard. Hooked up via USB is a Behringer Xenyx X1222USB mixer.


    Everything seems great until I turn on a webcam. The C920 is hooked up to a USB3 port. The second I turn it on and put it in 720p or higher, I usually start hearing pops. I've gone hours with it being fine. That's one of the frustrating things. Today it is not fine and every single time I get things going these pops happen. I made an audacity recording while the popping was happening. You can hear it at (Dead Link Removed) (It doesn't sound exactly the same because it seems like each click actually pauses the recording.) Hard to explain but it is pretty similar in the recording.


    What I've done so far...
    • At first I was told it was because I had 3 of these C920 cams on one USB bus. Not really the case, but I bought 3 USB3 PCIe cards and installed them. They work great and this still happens. I have discovered that it happens even when one of these cams is producing an image. Usually at 720p or higher.
    • Today I grabbed my cheaper webcam (Logitech 600) and put it on there. It caused the popping sound too. Not as often, but it did in 720p mode. Even when it was the only cam hooked up. The second the picture shows in hd it does this.
    • I BELIEVE this only happening when the mixer is hooked up by the way. Maybe there's a conflict between logitech cams and this mixer? The Behringer driver is installed.
    • I've disabled the on board sound since I want to use the Behringer for recording and hearing everything. I've disabled the webcam mics...
    • I've noticed that in the device manager there is an AMD sound driver, and realtek sound driver and the behringer. I've disabled the other 2 at times and this still happens. Not really sure why there's AMD and Realtek.
    • This popping happens in the logitech "quick capture" software in photo mode, not video... Or in XSplit Broadcaster. Which I'm going to use for streaming the video to our podcast online while we record. But it starts happening as soon as any software shows a picture from the cam at 720p or higher. It's capable of doing 1080p.
    • In the task manager, nothing is making the CPU overload. Never even gets to 20% while things are going on.


    The weird part is, I have had all 3 cams streaming on the net while simultaneously recording the video and audio from the mixer to my hard drive with NO PROBLEMS... Sometimes I turn the computer on and just pulling up the video starts this popping on the other hand. I'm not playing with settings. I don't know what is causing this. If anyone has any ideas I'd be most grateful. If you have any questions regarding anything in my setup, I'll get the answers for you very quickly. I'm on my computer all the time. I'm starting this podcast in 2 weeks, as you can see on the site where that mp3 file is hosted. I have to figure this out. It's all new equipment... Mixer, computer, cams... So frustrating. Was thinking about going out and buying a microsoft webcam tomorrow to see if it's a logitech thing, but not hopeful since 2 different logitechs made this happen.


    Thanks a lot
    B
     
  2. hueseph

    hueseph Well-Known Member

    Audacity isn't an ideal program to be using. Try Reaper. Any DAW that will support ASIO drivers will work better. Reaper is not free but it is Nag ware. After 30 days it will nag you to buy the software. Mind you it's only $70 for a non commercial license. Audacity does not support ASIO.

    Not a fan of Behringer. You are using the little RCA to USB adapter right? Anyway, a proper Audio Interface can be had for $99. No extra knobs. No effects onboard. Just input and gain control. That's generally all you need. Everything else can be done in the box.

    To get to the root of the issue, I don't personally hear clicks except when your mic is clipping. You're saying "there's a click" and I hear nothing unless your mic is clipping. It may be something to do with the fact that Audacity and the mixer's drivers are too slow in processing the data. Likely. Behringer does have ASIO drivers for their unit but you can't use it with Audacity. Try using Reaper and make sure you go into the AUDIO settings and change the drivers to Behringer ASIO and not ASIO multimedia or anything to that effect.

    Try that first and see how it goes.
     
  3. kilerb

    kilerb Active Member

    I'll check that out... The problem is the recording doesn't represent the problem well. Even when I'm not recording with audacity these clicks happen. If the webcam is on and the mixer is on, I hear "dip dip dip dip.... dip dip..... dip dip dip dip dip dip dip... dip..." as soon as the cam is at 720p or higher. The recording was a bad idea. The dip sounds seem to actually be hickup'ing the computer, that's why it sounds like there are pauses in my recording. But the noise in question is happens even when audacity isn't open. I don't have a usb/rca adapter... That mixer has a USB output right to the computer. Maybe the ASIO driver will do the trick? Maybe tomorrow I'll test that out with reaper trial version.
     
  4. kilerb

    kilerb Active Member

    Just tried removing the behringer usb driver and installing the ASIO... Same thing. As soon as I pull up a webcam in any program at 720p or higher, starts making those sounds. So frustrating. I've updated the bios and the sound drivers.
     
  5. djmukilteo

    djmukilteo Well-Known Member

    Just saw your post over on GS...
    But I'll just post my thoughts here as well..
    How many internal HDD are you using...you only listed an SSD?
     
  6. hueseph

    hueseph Well-Known Member

    The ASIO driver was already installed when you installed the drivers for the Behringer RCA to USB adapter. You need to set your Digital Audio Workstation to use ASIO. Audacity cannot use ASIO no matter what you do.

    djmukilteo brings up a good point as well. If you are recording audio, you need to have a dedicated audio drive.
     
  7. kilerb

    kilerb Active Member

    I'm not recording. All I have to do is pull the camera up in the software and this dip dip dip noise starts. Sometimes it takes a minute, but it will do it at 720p or higher.
    I just went to guitar center and purchased a Mackie USB mixer to see if it's a Behringer compatibility issue. It's not. Still happens. Also, now when any windows sound comes on, there is a hiss around it. Like if the sound is an error beep it'll go <tiny pop> hisss "error sound" hissss <tiny pop> and that hiss surrounds any sound that occurs. This wasn't happening before. There must be some conflict or bottleneck messing things up when the cam comes on. Even with just 1 cam it does this. Tried it on USB2 and USB3.

    Also, this isn't an RCA to USB adapter situation. The mixer has usb out and it goes right to the usb port.
     
  8. djmukilteo

    djmukilteo Well-Known Member

    How many HDD do you have in your computer is still the question?
    And what size SSD are you using.
    It's a matter of processing speed and throughput.
    One SSD drive can't process all of that stuff by itself.
    Did you do the DPC latency test?
     
  9. kilerb

    kilerb Active Member

    Hi, I have 2 drives. The OS and software are on a 120gb solid state drive and then I have data on a 1tb secondary data drive. Just bought this from CyberPC a few weeks ago. But these problems happen when I'm not recording, when I'm not streaming, and all I have to do is pull up the webcam in the software at a higher resolution. Yes, the latency test is done. It looks like it is spiking when the pops occur... Here it is..

    cap.jpg
     
  10. djmukilteo

    djmukilteo Well-Known Member

    Your going to have to do what it says in the DPC dialog box and find out which device driver is the cause.
    Are you using onboard mobo audio or video or are those separate cards?
     
  11. djmukilteo

    djmukilteo Well-Known Member

    Also look at the performance tab in Windows task manager.
    It's possible you have some process running that is using up all your resources.
     
  12. kilerb

    kilerb Active Member

    I'm using USB audio back to the mixer and listening through the headphones that are attached to the mixer. Nothing is hooked up to any of the headphone or mic jacks that come out of the motherboard at all. Sound goes into the usb mixer through the usb port to the computer. Then anything in windows that has sound goes through the usb back to the mixer and I hear it there.
    Video is a separate card. Updated the drivers for the video card earlier today to see if that would help. It didn't. Since a red spike happens each time the webcam makes a pop, does that mean it's probably the cam? Or something conflicting with it possibly?
     
  13. kilerb

    kilerb Active Member

    I actually watched the processes in task manager while this happened. The CPU does not jump up to high percentages. I'll go look again though.
     
  14. djmukilteo

    djmukilteo Well-Known Member

    How about the device manager?
    Any yellow flags on any device?
    Your going to have to disable devices one at a time leaving the video stuff on and see if you can get that to run smoothly without hiccups and see if you can isolate the offending hardware device.
    More than likely there is a driver that is conflicting with the video hardware.
    See if you can get all three cams running.
     
  15. djmukilteo

    djmukilteo Well-Known Member

    Also...are you using ASIO drivers for the audio or WDM?
     
  16. kilerb

    kilerb Active Member

    There are no yellow flags in the device manager. I tried disabling some devices that I thought might be conflicting in the USB and audio area but it didn't help. I went to the ASIO site ( ASIO4ALL - Universal ASIO Driver ) installed 2.11... But I uninstalled it when I realized the pops are still there. Where do you choose between ASIO or WDN? Thanks
     
  17. djmukilteo

    djmukilteo Well-Known Member

    What audio interface device are you using in Windows that uses ASIO?
    Windows uses WDM and that would be set in the Sound properties.

    But maybe this is looking like a conflict in your video cam program.
    If you disabled the sound card, network adapter, and any other USB devices etc and nothing changed....
    I don't think you've found the conflict yet.
    Also do those disables one at a time and be sure to power off the computer each time not just a restart.
    Cold boots.
    Hardware and drivers don't necessarily unload with a restart.
    So power off then power on is the only sure way.
     
  18. kilerb

    kilerb Active Member

    Actually I don't think I ever used the ASIO driver now that you mention it. I don't see anywhere in the sound area that mentions WDM.
    I didn't turn it off after each removal. I'll try that when I return home. Under sound in the device mgr, there is AMD High Def Audio, HD Pro Webcam C920, Realtek High Definition Audio, and USB Audio Codec. Which is the one I've been using in the software so I can hear everything through my headphones connected to my usb mixer. Never installed a driver for this new mixer btw. Didn't seem to come with any. just a free audio workstation disk. And windows just installed it with the usb audio coded when I hooked it up.
     
  19. hueseph

    hueseph Well-Known Member

    Mackie Products come with Tracktion(which is pretty awesome by the way if you can get over the user interface). I suspect that there is a USB driver on that disc as well. The USB audio codec is a Windows Codec. Garbage. You should install Tracktion. It may be free but it is full featured and supports VST plugins in Real Time. Something that Audacity does not do either.

    As of this point you have not used ASIO from what I can tell. You've installed drivers but never used them. ASIO is enabled from within a DAW.

    Things you should do:


    • Disable onboard audio in your BIOS.
    • Disable audio from the webcam(s).
    • Go to Control Panel/System/Advanced System Settings/Advanced Tab/ Performance/Settings/Advanced Tab/Processor Scheduling/ Select "Background Services" OK and close.
    • Find and Download the "Safe" registry file from Black Viper's site Make sure it is appropriate to your version of Windows. These files optimize and disable all unnecessary background processes. These files are the most gentle and only turn off Processes that you'll never use or should be turned off for security's sake.

    Start there and chime back in when you're done.

    Just out of curiosity, Which video card do you have? ATI or Nvidia? Sometimes it makes a difference.
     
  20. djmukilteo

    djmukilteo Well-Known Member

    I think you have too many audio drivers all trying to process audio at the same time and all that processing is generating the interrupts and collisions.
    I would start by uninstalling or disabling all of them....the AMD HD, RealTek HD and the USB audio for starters. Then see if the video cams work without any hiccups. You probably won't get any audio, but you should get good video capture and playback. If all 3 of the video channels work simultaneously without any audio, then you can try enabling one of the audio drivers at a time. The Realtek is your onboard motherboard audio driver, the USB audio driver is probably your Beringer mixer and perhaps that AMD HD driver is the Logitech camera driver to run their stereo mics and Skpye.
    Those C920 cams each have stereo mics in them (don't know about the Microsoft one) so there's going to be a conflict there as well. See if there's an option to disable the audio or mics on those too.
    Not sure how multiple C920's work with simultaneous audio coming from 3 cams??
    I would think each camera has a Logitech video driver and audio driver installed for each USB port. So not sure how those all get multiplexed through your system...or maybe they're separated into different audio channels? Maybe your video software assigns a channel to each camera it detects. If they are all trying to fight for the same audio path that would be a problem. Maybe your software can't do that?
     

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