Dell, IDT, Stereo mix... as you have found out it's not there :( it's going to take some hunting to find one.
I had this problem and eventually found the one mentioned on Dell forum and it works for me, but I have XP not W7
OnePlus 5 review
Alice Saey's mesmerising animation for Dutch singer Mark Lotterman
iPad Pro 10.5in (2017) review
Comment booster votre iPhone ?