Comparison of Changes in Decibels and Power

Chapter 2 Theoretical Foundations of Multimedia

??????????dB ??Power? ??dB ??Power

0 1 15 32

1 1.3 18 64

2 1.6 20 100

3 2 30 1,000

4 2.5 40 10,000

5 3.2 50 100,000

6 4 60 1,000,000

7 5 70 10,000,000

8 6 80 100,000,000

9 8 90 1,000,000,000

10 10 100 10,000,000,000

11 12 110 100,000,000,000

12 16 120 1,000,000,000,000

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