EPISODE · Sep 17, 2025 · 3 MIN
When 90dB is LOUDER than 120dB
from MinuteEarth · host Minute Earth
To learn more about this topic, start your googling with these keywords: Decibels (dB): a unit used to measure changes in pressure or power. Loudness: the intensity with which a sound is perceived. Weighted decibels (dBA): decibels that try to take into account our sensitivity for different frequencies to better approximate loudness. Frequency: the rate at which something occurs. In the context of sound it usually means 'sound waves per second'. Audible: perceptible for the human ear. High sound: a sound that has a high (fast) frequency Low sound: a sound that has a low (slow) frequency Resonance: When multiple things have a similar frequency they will tend to move together and amplify each other. Echolocation: Using sound to "see". Bats use this to hunt in the dark. Equal loudness contours: Curves that show the sensitivity of the human ear along the frequency spectrum. MinuteEarth is produced by Neptune Studios LLC https://neptunestudios.info If you like what we do, you can help us! - Become our patron: https://patreon.com/MinuteEarth - Buy our merch: http://dftba.com/minuteearth - Buy our book: https://minuteearth.com/books - Sign up to our newsletter: http://news.minuteearth.com - Share with your friends and family - Leave us a comment (we read them!) Learn more about your ad choices. Visit megaphone.fm/adchoices
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When 90dB is LOUDER than 120dB
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