What is equalizer in digital communication?

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6. Why is there no equalizer on Spotify?
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Tags

1. #linear
2. #equalizer
3. #filter
4. #incoming
5. #attempts
6. #device
7. #recovery
8. #reverse
9. #channel
10. #incurred
11. #allow
12. #through
13. #digital
14. #signal
15. #distortion
16. #symbols
17. #communication
18. #inter
19. #processes
20. #interference
21. #transmit
22. #purpose
23. #symbol
24. #reduce
25. #transmitted