[TMSZ] has a better option, a ~1 dollar USB sound card which is easily hacked to work as a simple oscilloscope. Easily found on eBay, the 7.1 virtual channel sound card is identical in brains to a ...

【𝐕𝐢𝐝𝐞𝐨 𝐭𝐨 𝐃𝐢𝐠𝐢𝐭𝐚𝐥 𝐂𝐨𝐧𝐯𝐞𝐫𝐭𝐞𝐫】This rca to usb video capture transfers video and audio from ... capture card, 1*Scart port ...

It may not be the first part of your setup that you think of upgrading, but getting one of the best USB sound cards for gaming can actually make a world of difference when it comes to audio quality.