Audacity Forum

Make sure you have selected the Scarlet USB interface in Audacity's Device Toolbar . The "screeching noise" is usually feedback between the Macbook microphone and speakers. -- Bill Thanks for your reply, I have the Scarlett selected in the device toolbar but the screeching sound still happens when ...

Hi all, I have two turntables connected to a Traktor Z2 mixer. The mixer is connected to a Scarlett 2i4 through XLR cables, scarlett is plugged into my macbook pro. I would like to record some vinyl with audacity, but the recorded audio has a horrible screeching noise throughout. What am I doing wro...