Does digital optical carry sound?

Digital optical connections only transmit audio. For video, you need to use a separate type of connection, such as HDMI, component, or composite.

Why is my optical audio not working properly?

Another common problem is that the audio source on the receiver might not be properly established. It will need to be set to either ‘optical in’ or ‘digital in’ in order to work properly. Failure to do this, even though the connections might be perfectly good, will result in no sound.

Why is my optical audio only outputting 2 channels?

Short dropouts, just a fraction of a second, but very annoying. Don’t know what is causing this and don’t know how to debug. It doesn’t happen to the picture, just the audio. *Because of the problems above I use the Realtek Digital Optical output primarily. After whatever update got pushed, it is now only outputting 2 channels to the receiver.

Why is my sound not working on my TV?

The connected home theater system, audio receiver, or soundbar isn’t set to properly decode the digital signal. Your TV isn’t set to a digital channel, or playing a video that is encoded in 5.1 audio. The optical cable isn’t securely connected. The optical cable may be faulty.

How do I enable optical audio on my PC?

Right-click it and click “Enable” to switch it on. Once you’ve done that, right-click it again and click “Set as default device.” You should now have optical audio enabled. Analog sound might still be okay for typical stereo setups.

Another common problem is that the audio source on the receiver might not be properly established. It will need to be set to either ‘optical in’ or ‘digital in’ in order to work properly. Failure to do this, even though the connections might be perfectly good, will result in no sound.

The connected home theater system, audio receiver, or soundbar isn’t set to properly decode the digital signal. Your TV isn’t set to a digital channel, or playing a video that is encoded in 5.1 audio. The optical cable isn’t securely connected. The optical cable may be faulty.

What kind of sound can I get from an optical out port?

Just because there’s an optical out port doesn’t guarantee that you’ll get surround sound across all your games, movies and so on. Your optical port on your motherboard should support 5.1 sound, though this will vary greatly depending on what Windows version you’re on, whether it registers as a Dolby-compatible output, and so on.

Right-click it and click “Enable” to switch it on. Once you’ve done that, right-click it again and click “Set as default device.” You should now have optical audio enabled. Analog sound might still be okay for typical stereo setups.