RCA Cable with video,audio red and white male connectors. connect to a USB adaptor
Are you looking from something to go from computer to a device or TV? Or into the computer from and audio video / device that has standard RCA outputs. If so, Roxio makes a VHS to DVD Package that might be what you want and a few other companies also do. Includes cable /adpater to USB and software for around $60.00.
My camera came with cable to go from it to a TV, dont think it had audio and would be mini USB. Camera or Video Camera cable accessories, lus mini usb to regualr usb adapter might be somewhere to look, how the signals get to the USB via softare I cant answer.