How to Install Realtek Microphone Drivers In Windows 10/8/7 [Tutorial] - YouTube
Question - Hi. WIll Realtek HD Audio manager work with an external sound card? | Tom's Hardware Forum
USB Audio Adapter External Stereo Sound Card, KOOPAO 3.5mm Realtek DAC Chip 32bit/ 384HKZ Combo Aux Headphone and Microphone Jack Converter for Headset Mac PS5 PC Laptop Desktops Windows and Linux :
Stereo Tool 3.10 - Help: Short tutorial: How to create your own sound