Good morning ,i would like to record direct from my tyros 4 to my laptop i use OBS for video recording ,i used to record direct from my 740 keyboard as it acted as an audio interface,this tyros apparently does not,i have tried a cable from aux out to C type into laptop but it does not show up as a keyboard, i have read somewhere that you have to take audio out to microphone socket on laptop but my laptop does not have mic socket, do i need to purchase a audio interface ,thank you for any help .
Mick