What is difference between DB and DBA?

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Tags

1. #hears
2. #according
3. #pressure
4. #levels
5. #human
6. #example
7. #weighting
8. #unweighted
9. #sound
10. #between
11. #weighted
12. #level
13. #curves
14. #equal
15. #difference
16. #approximate
17. #loudness
18. #perceived