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'[Re]: [EE]: eliminating hum in a DAW system.'
2003\05\06@080029 by Rick C.

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Your problem is in the ground reference between the computer and the
sound board. You MUST electrically isolate the two grounds between the
units. The simplest way is a high quality balancing transformer. Your
easiest solution is a "direct box" available from almost any music
store. Ebay is infested with them too. About $25 each. Most direct boxes
have 1/4" thru jacks and an XLR mic connector and a ground lift switch.
The 1/8" output of the sound card to a 1/4" male plug to one of the
direct box 1/4" inputs, and a standard mic cable from the direct box to
a mic input on the mixer. No more hum! If you need stereo, a 1/8" stereo
plug split to two 1/4" jacks and a second direct box and mic cable to
another mixer input.
Rick

Hi,

I seek the wisdom of this list.

I have set up a Digital Audio Recording system.
>
Does anyone have any suggestions as to how else I might eliminate the
hum?

Thanks,
Mark

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