In some driver configurations, the digital output can also route through HDMI to a TV or monitor. Why is There No Sound?
The most common reason for "no sound" is a mismatch between your playback device and your physical hardware. realtek digital output
Traditional "Speakers" or "Headphones" outputs use your computer's internal Digital-to-Analog Converter (DAC) to turn data into sound waves for 3.5mm jacks. In some driver configurations, the digital output can
Realtek Digital Output defaults to stereo PCM unless configured. It was designed for high-end home theaters and
If you select Digital Output but don't have an optical or coaxial cable connected to an external decoder, you will hear nothing.
It was designed for high-end home theaters and digital receivers, capable of carrying surround sound without the interference of old-school copper wires. But Leo’s speakers used a simple 3.5mm jack. He was trying to plug a garden hose into a fiber-optic line. Restoring the Sound
is an audio pathway that sends sound as a raw digital bitstream rather than an analog signal.
