[hi guys a query please for my friend,she purchased a usb turntable to hook to her pc to record her vinyl records,over the years some have scratches,so she needs software to reduce the crackle noises,she used AUDACITY and that doesn`t work,any more suggestions would be great,thank you

Have you followed any tutorials for audacity, because it is a pretty decent application:
Podtopia.net - How to remove noise with Audacity

If you want to try another software, goldwave is supposed to be a pretty good application for removing background noise and hissing, but I have not used it myself.

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-William. § (marvin_gohan)

Hello, I found Adobes' Soundbooth was by far the best at initially removing noise. However, if you have a lot of unwanted noise you may need to use more than one program on one audio file for the best results. Although the programs are trying to do the same thing, you may still find that the more expensive program doesn't remove some noise very well that the less expensive program does. You can probably download a 30 day trial of Soundbooth to try.
Another program called Spectrum Lab is also very useful , and free, but a little bit technical. You can design your own filter to remove any frequency the crackling is on and by how much.

regards

Martin

many thanks guys for your trouble and effort,i will pass your input along,i will let you all know how it turns out,thank you