i'm recording on my martin acoustic through a usb 1/4 inch into audacity. after listening to what i record, there is a lot of static where i strum chords. i've put my input volume down to 0.2, and the static is still there. any other advice to get rid of it?
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Try adjusting buffer settings in your software (usually the sequecer) and see if that helps. Usually lower buffers will cause static and pops but less latency.

Also cheap interfaces will cause problems sometimes.

Lastly, be sure you have the latest drivers for your interface.