At first when I listen to the original audio I can only hear "laurel" and don't understand why my colleagues can hear "yanny".

Then I just simply changed the pitch, from 70% to 160% comparing to original one, and strange thing happens. 

When the pitch raising, I heard "laurel" in the beginning, but turned into "yanny" at around 120%~130%. 

when the pitch reducing, I can hear from "yanny" to "laurel" at about 120%.

It's really interesting. 

Can't wait to ask my colleagues if they can hear "laurel" now :) 


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