Episode 8: Sound Effects Part 1
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Episode 8: Sound Effects Part 1
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What is sound? Why are instruments tuned to a frequency of 440Hz? Is 432Hz the heartbeat of the Earth? In this episode we explore the answer to these questions. We'll also take a look at the conspiracy behind the international tuning standard of 440Hz.
Notes from the show:
Sinusoidal sound wave: https://www.britannica.com/science/sound-physics
Sound waves of human voices: https://royalsocietypublishing.org/cms/asset/2f39142d-ac27-4f8d-b661-2f99140023a3/rsos191642f01.jpg
Online tone generator: https://onlinetonegenerator.com/
YouTube video of guitarist playing a scale tuned to 432Hz or 440Hz:
https://www.youtube.com/watch?v=8Ze44-Ppj-c
Scientific tuning: https://en.wikipedia.org/wiki/Scientific_pitch
Dr. Leonard Horowitz's paper on musical cult control: https://web.archive.org/web/20100710160537/http://web.mac.com/len15/MUSICAL_CULT_CONTROL/Leonard_G._Horowitz.html