Psychoacoustics: Where Sound Meets Your Brain


In this article, Emmanuel Deruty (Sound on Sound) has a close look at psychoacoustics and the human ear. He shows that it’s literally crammed with equalizers and dynamic compressors, including a multi‑band compressor. It even includes a filter bank, as well as a highly sophisticated analogue‑to‑digital converter. Having this knowledge has practical consequences for music production: topics like choice of monitoring level, how to deal with bass frequencies in a mix, and how to deal with frequency overlap are all covered in the article. Miss this, and you’ll miss out!


  • The ear includes a built‑in analogue‑to‑digital converter.
  • The reverberation of the auditory canal boosts frequencies around 3 kHz by 15 to 20 dB.
  • The human ear can withstand a dynamic range of roughly 140 dB, which corresponds to a ratio of 100,000,000,000,000:1 between the loudest and the quietest sounds we can perceive.
  • On midrange: The ear privileges the frequencies around 0.5‑4 kHz. Get your message across right there.
  • Harmonics include more information about the pitch of a sound than does the fundamental frequency.

Full article on the Universal Audio Blog.

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    Thanks for this, Danski, very coolant useful stuff! As for the new look, not bad but my eyes are 56 years old and miss the bigger fonts. You young dudes will one day be older dudes and appreciate the bigger fonts!

    • Eric,
      Does increasing the font size help by pressing cmd = on your Mac (assuming you’re on a Mac)?

      I use this too for some sites.


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