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I'm running the following setup:

  • Xbox 360 is hooked up to my (PC) screen via HDMI/DVI converter.
  • Because the Xbox has no dedicated sound output, except for optical S/PIDF, I'm also using the AV/RCA output, namely just the audio, which is connected to an old stereo, which is then connected to my PCs line-in.

I'm now experiencing a some of noise. I'm using one of the standard "Realtek High Definition Audio" cards, which doesn't seem to offer this kind of functionality. Is there a software that will playback audio right off a device while running filters on it? It doesn't have to create a device on its own, I just want to listen to it.

Here's a sample: http://puu.sh/1x2MA/79c38b25abfe51058fd664971c8e4ab7

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Sounds like you have a ground loop, filters (as you are looking for) are not your answer. –  techie007 Nov 9 '12 at 14:42
    
Related/more info: Laptops without ground loop noise –  techie007 Nov 9 '12 at 14:44
    
I don't know what that sample is supposed to be, but the link is not working. –  Oliver Salzburg Nov 27 '12 at 9:53
    
Updated the link, forgot I wiped my puush account. –  Gant Dec 4 '12 at 14:19
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1 Answer

up vote 1 down vote accepted

You can do this with Winamp using the line-in feature and a DSP plugin. I've done something similar when streaming to ShoutCast before.

If the default line-in plugin doesn't play nice with your sound card you can try this alternative one which has some more options: http://home.hccnet.nl/th.v.d.gronde/dev/lineinWA2/index.html

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