What is a decibel: sound pressure level (dB SPL) and other types of dB - Ep. 02

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  • čas přidán 15. 07. 2024
  • 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.
    Previous video with basic concepts of acoustics: • Characteristics of sou...
    Complete classic series: • AwesomeAudio (classic ...
    Version en Español de este video: • Qué son los decibeles:...
    Music: Ricardo de Santiago - A Beautiful Chaos ( • 🌪A Beautiful Chaos🌈 - ... )
    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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