Understanding “The Human Instrument”
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Ingo Titze, one of the foremost names in vocal pedagogy - specializing in the scientific study of the voice, has written a wonderful article for Scientific American explaining how The Human Instrument can compete with other instruments in terms of pitch range and loudness.
This excellent article should be of interest to anyone wanting to know more about how their voice works (or the voices of their choristers). It covers these points in detail:
- The vocal folds are so versatile as an oscilator because of a unique, 3-layer design.
- The components of the human instrument are manipulated in non-linear ways that allow for greater volume and flexibility than other instruments of comparable size (for example, the piccolo).
He has also followed up with an online selection of audio examples of the different timbres and ranges that the human instrument can acheive, from Aerosmith to Pavarotti: