Hey 151 peeps...

[Vivian Woo]

I guessed those ones.  I think the first one is C, the pinna.  The other
three, I don't really know.

Viv

P.S. did you have any problem submitting the answers?  I did.

On Sun, 2 Feb 2003, Gregor Zdunski Hanuschak wrote:

> Do you know the answer to any of the following?
>
> The ear detects of interaural time and intensity differences as a signal
> arrives to:
>    A.  the tympanic membrane
>    B.  the meatus
>    C.  the pinna
>    D.  the basilar membrane
>
> If a sound wave was applied directly to the oval window the energy
> transferred would be:
>    A.  >80%
>    B.  about 25%
>    C.  < 1%
>    D.  < 4%
>
> The Sheppard or Risset tones are auditory illusions that are created by
>    A.  a sine wave
>    B.  pitch complexes made up of odd partials
>    C.  pitch complexes made up of inharmonic spectra
>    D.  multiple sinewaves tuned in multiples of 2
>
> The Shepard Tone is an auditory illusion made up of:
>    A.  sounds made up of single sinewaves
>    B.  sounds made up of inharmonic spectra
>    C.  sounds made up of partials tuned to multiples of 2
>    D.  sounds made up of odd harmonics
>
> I figured out all the others...  Is it just me or are the online readings
> completely useless for doing this assignment?
>
> - Gregor
>
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