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What is a decibel: sound pressure level (dB SPL) and other types of dB - Ep. 02
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What actually are decibels and how do we interpret them? How do we perceive pressure? What are dB SPL and dBFS? If you're not familiarized with any concept used in this video, watch my previous video (link further below) where I explain concepts from a beginner level.
0:00 Intro
0:21 Usefulness and purpose of decibels
0:59 Logarithms
1:53 Decibels for amplitude and power
2:42 Reference of decibels
3:08 Decibels SPL (sound pressure level)
3:35 Minimum audible pressure and "micro" prefix
4:07 SPL scale vs. pressure scale
4:28 Sound levels, hearing damage, and pain threshold
5:33 Sensitivity curve of the human ear
6:41 Linear scale vs. logarithmic scale
7:14 Logarithmic perception of pressure
9:27 Decibels Volt
10:03 Digital amplitudes
10:34 Decibels full-scale
11:13 Clipping
11:44 Decibels in audio and video software
12:37 Decibels in amplification context
13:33 Linear multiplications vs. sums of decibels
15:08 Doubling of power vs. amplitude
16:00 Logarithmic axes
17:47 Outro
0:00 Intro
0:21 Usefulness and purpose of decibels
0:59 Logarithms
1:53 Decibels for amplitude and power
2:42 Reference of decibels
3:08 Decibels SPL (sound pressure level)
3:35 Minimum audible pressure and "micro" prefix
4:07 SPL scale vs. pressure scale
4:28 Sound levels, hearing damage, and pain threshold
5:33 Sensitivity curve of the human ear
6:41 Linear scale vs. logarithmic scale
7:14 Logarithmic perception of pressure
9:27 Decibels Volt
10:03 Digital amplitudes
10:34 Decibels full-scale
11:13 Clipping
11:44 Decibels in audio and video software
12:37 Decibels in amplification context
13:33 Linear multiplications vs. sums of decibels
15:08 Doubling of power vs. amplitude
16:00 Logarithmic axes
17:47 Outro
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What is a decibel: sound pressure level (dB SPL) and other types of dB - Ep. 02
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