What is HDMI in and HDMI out?

Related questions

1. What is best HDMI cable for 4k TV?
2. Who invented HDMI?
3. Do I need an HDMI cable for my TV?
4. What's the difference between HDMI and HDMI ARC?
5. Is Optical better than HDMI?
6. What is the use of HDMI in TV?
7. Can HDMI do 8k?
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10. Can HDMI out be used as HDMI in?

Tags

1. #player
2. #example
3. #directly
4. #process
5. #output
6. #could
7. #digital
8. #connected
9. #receive
10. #video
11. #audio
12. #which
13. #devices
14. #inputs
15. #outputs
16. #signals
17. #receiver
18. #input