What does 7.2 mean?

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Tags

1. #surround
2. #frequency
3. #others
4. #which
5. #handled
6. #mentioned
7. #adding
8. #outputs
9. #refers
10. #receiver
11. #soundtrack
12. #previously
13. #effects
14. #subwoofer
15. #simply
16. #channel
17. #about
18. #means