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Connect stereo to computer/hum

When I use the cable (supplied with Easy CD Creator) to connect my stereo line-out to my computer line-in my stereo produces a loud hum.  I have turned off the microphone input and have even tried connecting the ground on the stereo to the computer to no avail.  What must I do?  I desire to record my LPs so that I may burn them to CD.
1 Solution
Do you have an amplified sound card if so this might cause the problems your talking about
My guess is you've got a Y cable with two RCA plugs on the end you connect to the stereo, and a 1/8 inch headphone style plug that goes into your computer. Are you sure that your line in is a stereo line in? If it's not, then you're likely to have a few problems, not the least of which is not having a stereo recording on the computer. Try this: If the cable is what I'm describing, see if having only one one plug plugged into the stereo makes any difference. Alternate both plugs, with one in and one out, and see if it makes a difference. If it does, then your sound card is probably not a stereo sound card. Or, you could try a new (higher quality, likely) cord, from a place like Radio Shack.
Have you read through this site http://www.fadden.com/cdrfaq/ almost every thing you need to know about copying LP to CD
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If it's a 60Hz hum then you've got a grounding issue. You might be in for a nasty shock if you touch both the computer chassis and stereo at the same time!

Check the polarity of the stereo's power cord. Try reversing it if it's non-polarized. Also plug the stereo and the computer into the same set of outlets. Most houses have 220V brought in on two 110V legs. If you have the stereo and computer plugged in to different outlets there is a real chance that the power lines are out of phase and you've got a 220V common-mode signal betweent the gear. If the equipment are properly isolated from the mains, this will not cause a shock hazard but can certainly inject a large amount of AC "hum" into a low level audio signal.


avr9Author Commented:
You are right about the cable but I am nearly positive that I've got a stero card.  I've got an "integrated sound blaster audio pci 64d" and my computer speaker system is a BOSTON ACOUSTICS BA 35 system, two speakers left/right and subwoofer.
avr9Author Commented:
I'm not sure this is it but this is a possiblility
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