Digital Output Realtek [portable] -

Realtek Digital Output is a specialized audio setting that allows your computer to transmit high-quality sound signals to external devices like home theater receivers, high-end speakers, or soundbars. Unlike standard analog outputs that use traditional 3.5mm jacks, the digital output sends raw data to an external processor to ensure the highest possible fidelity.

You want to experience 5.1 or 7.1 surround sound for movies. digital output realtek