Friday, November 14, 2014

Perceived Pitch Depends on Sound Intensity

This can easily be verified by adjusting the distance of a tuning fork to your ear while it vibrates.


The higher the intensity the lower the perceived pitch.


Sounds a bit like time expanding!


It makes sense to give singers a very soft volume backing track so they stay in tune, or may be usufull to fine tune a singer while recording.


References:

1. Sound and Hearing, Time Life encyclopedia

2. S. Stevens, H. Davis, Hearing: Its Psychology and Physiology

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