Why codec is required?

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Tags

1. #encode
2. #internet
3. #mathematical
4. #necessary
5. #transmission
6. #which
7. #built
8. #video
9. #transfer
10. #speed
11. #editing
12. #means
13. #viewing
14. #usually
15. #files
16. #decode
17. #downloads
18. #signal
19. #difficult
20. #shrink
21. #music
22. #codecs