Lesson 3 · text
Amplitude and decibel: learning to listen logarithmically
◷ 25 min
± 55 min left in this chapter
The decibel is a ratio, not an absolute measure. You learn to separate dB SPL from dBFS and why identical signals sum to +6 dB while independent sources add roughly +3 dB.
The rest of this lesson is part of H04
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