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Keyboard/Audio/Video interference problem
Hi All,
The System: Windows XP Professional 2002 Service pack 2, Pentium 4 3.06 Ghz with 512 Meg RAM. The audio device is on the motherboard it is a C-Media AC97. The problem: While either audio or video is playing I get a click and constant interference when using the keyboard, with video I'm not bothered, I don't want to type while watching a film, but I do like to listen to music while working, typing in Word or sending emails etc. This keyboard interference makes the music unlistenable. I'm usually playing mp3s. The problem occurs no matter which audio player I use be it WinAmp or Windows Media Player. When using the mouse there is no interference at all, only with the keyboard. I have had some fairly old and decrpid PCs in my time but never had this problem. What have I tried: Everything I can think of, updating the keyboard driver, updating audio driver, changing audio priority in WinAmp. I have tried plugging different keyboards into this machine but no joy. I have also tried plugging a PCI sound card in but get exactly the same problem. I have also tried changing the Hardware acceleration and so on but get no change. Any advise or suggestions would be most welcome. -- Cheers Steve http://www.zeropps.uklinux.net/ |
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#2
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Keyboard/Audio/Video interference problem
On Aug 25, 2:58*pm, Steve wrote:
Hi All, The System: Windows XP Professional 2002 Service pack 2, Pentium 4 3.06 Ghz with 512 Meg RAM. The audio device is on the motherboard it is a C-Media AC97. The problem: While either audio or video is playing I get a click and constant interference when using the keyboard, with video I'm not bothered, I don't want to type while watching a film, but I do like to listen to music while working, typing in Word or sending emails etc. *This keyboard interference makes the music unlistenable. I'm usually playing mp3s. The problem occurs no matter which audio player I use be it WinAmp or Windows Media Player. *When using the mouse there is no interference at all, only with the keyboard. I have had some fairly old and decrpid PCs in my time but never had this problem. * * * What have I tried: Everything I can think of, updating the keyboard driver, updating audio driver, changing audio priority in WinAmp. I have tried plugging different keyboards into this machine but no joy. I have also tried plugging a PCI sound card in but get exactly the same problem. I have also tried changing the Hardware acceleration and so on but get no change.. Any advise or suggestions would be most welcome. -- Cheers Steve http://www.zeropps.uklinux.net/ More details on your PC hardware would be useful. Is your keyboard wired or wireless? Is the keyboard a round connector (PS/2) or a flat square like connector (USB?) Most interference can usually be traced to a low-quality power supply. Power supplies have various components that generate "noise" that can be captured by the sound card, analog sound cable(s) or across the motherboard "bus" controllers. |
#3
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Keyboard/Audio/Video interference problem
smlunatick wrote in
: More details on your PC hardware would be useful. Is your keyboard wired or wireless? Is the keyboard a round connector (PS/2) or a flat square like connector (USB?) Most interference can usually be traced to a low-quality power supply. Power supplies have various components that generate "noise" that can be captured by the sound card, analog sound cable(s) or across the motherboard "bus" controllers. It's a PS2 wired keyboard. I've tried more than one keyboard and get the same problem. -- Cheers Steve http://www.zeropps.uklinux.net/ |
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