Resonance: an in-depth explanation — Singing Demystified

In this video, you will learn about everything from the overtone series to resonance tuning and nonlinear interactions between the vocal folds and vocal tract.

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Performances featured in this video:

Journey — Don't Stop Believin': https://www.youtube.com/watch?v=VcjzHMhBtf0

Celine Dion — My Heart Will Go On: https://www.youtube.com/watch?v=9bFHsd3o1w0

Shirley Bassey — Goldfinger: https://www.youtube.com/watch?v=7ItROSewzBs

Luciano Pavarotti —di quella pira: https://www.youtube.com/watch?v=Gle5-N7d8UU

Patti LuPone — A New Argentina: https://www.youtube.com/watch?v=5QtZxxbStjs

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Other videos used:

Mark Rober — World's Largest Horn Shatters Glass: https://www.youtube.com/watch?v=pFEB0chiuJA

Anna-Maria Hefele —polyphonic overtone singing - explained visually: https://www.youtube.com/watch?v=UHTF1-IhuC0

PhysicsGirl — Singing this Note is IMPOSSIBLE!: https://www.youtube.com/watch?v=F64xcPKKES8

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Graphics used:

Helmholtz visualization adapted from:
https://commons.wikimedia.org/wiki/File:Animated-mass-spring.gif

Helmholtz resonators:
https://commons.wikimedia.org/wiki/File:Helmholtz_resonators_(Hunterian_museum).jpg

Standing Waves:
https://commons.wikimedia.org/wiki/File:Standing-waves-string.svg

Quarter Wave Resonator adapted from:
https://commons.wikimedia.org/wiki/File:Standing-waves-pipe-closed-and-open-end.svg

Plane wave animations by Dan Russell

All adaptations of CC-BY-SA licensed work are made available for public use under the same license, and can be accessed here:
https://drive.google.com/drive/folders/1EbsZYaXPPABrTPMIp9i4d22RGUnr8WAm?usp=sharing

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Research by Man Mohan Sondhi and Jürgen Schroeter: https://doi.org/10.1109/TASSP.1987.1165240

Research by Brad H. Story et al..:
http://dx.doi.org/10.1016/S0892-1997(00)80003-X

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Video chapters:

00:00:00 intro
00:00:40 constructive interference
00:03:08 Helmholtz resonance
00:06:15 impedance matching
00:08:38 the paranasal sinuses
00:10:52 harmonic overtones
00:17:42 resonant frequencies
00:20:27 sound reflection
00:22:39 standing waves
00:27:17 vowels and formants
00:29:15 perturbation theory
00:32:36 trumpet bell effect
00:33:47 resonance tuning
00:40:02 summary of first half
00:41:15 source-filter nonlinearity
00:44:40 voice cracks
00:46:46 pushing and forceful singing
00:48:22 resonance and registration
00:50:55 vowel tightness
00:54:15 operatic tenor singing
00:55:06 "covering"
00:57:15 softer dynamics
01:01:40 squeezing spirals
01:07:55 final summary
01:08:51 outtro