getting rid of noise problems has been covered..
i searched forum and got a lot of answers from there. grounding my computer and power got rid of about 80% of noise. leftover noise is acceptable but a little bit annoying so i decided to use noise filter(ground loop isolator)..
I searched ebay but there are some diff. amp of noise filter such as 30 amp, 18 amp, 10 amp, etc..
which one should i use? can i use any of them?
thank you very much