HDMI (High-Definition Multimedia Interface®) is the standard for connecting today's high-definition equipment, transmitting audio, video, and communications between devices over a single connection. With one HDMI cable, you can connect a Blu-ray™ player, game console, or Roku streaming player to your TV for optimal picture and sound, and also take advantage of other HDMI features that help simplify how you set up and use your entertainment system.
Visit the articles below to learn more about HDMI and why features like HDCP, CEC, and ARC make the standard such a vital part in helping you get the most from your audio/video equipment.
HDMI features
Setup
Troubleshooting
Last updated at 3/5/2026 11:05:45 PM
Was this article helpful?
Related articles
How to know if you have a Roku TV
Roku makes its own TVs and also partners with other TV brands to create Roku TV models.
Dolby Vision is not working
With some Roku ® streaming players, you can stream 4K Dolby Vision ™ with a compatible TV and apps.
Set up your Streambar
The Roku Streambar is a 2-in-1 upgrade that gives your TV powerful 4K streaming and premium audio.
Need more help?
