Do I need a special HDMI cable for audio?
To get both audio and video from an HDMI connection, you'll need to make sure that your TV and receiver or sound bar have ARC capabilities. They should support HDMI version 1.4 or higher, and have connections labeled "ARC." You will also need a high-speed HDMI cable that supports HDMI 1.4 or higher.
Why is my HDMI audio output not working?
Your HDMI no sound problem can be caused by corrupt or missing audio driver issues. To fix the problem, you can try to update the sound driver. There are two ways you can get the right drivers for your sound card: manually or automatically.
How do I know if my HDMI cable supports ARC?
Can you use ARC? Check the HDMI connections on the back of your TV, soundbar, or receiver. If the HDMI port has ARC, it should be marked as such. Both your TV and the soundbar or receiver must have ARC for it to work.
Can HDMI cable affect sound?
HDMI is renowned for its video quality, but it also can carry audio without the need for multiple cables. HDMI supports Dolby TrueHD and DTS-HD for 7.1-channel sound for loss-less, theatre-quality audio.