The role of Pitch in Speech

In Indo-European languages, changing the pitch of the voice usually does not change the meaning of a spoken word or sentence. We illustrate this here, using as our speech sample one of the finer samples of political rhetoric of the early 3rd millenium. (No, not Obama, Bush.

Basilar Membrane Motion 3: Click Trains - Animation


And another animation showing the mechanical response of the basilar membrane, but this time the incoming sound is a 500 Hz click train i.e. one click every 2 milliseconds. Such click trains sound like a "buzz" with a very clear pitch at the click rate.

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