Re: Why stereo? its a lesser spotted stan......

[Mark Hamburg <mark_hamburg@baymoon.com>]

Don't forget the harmonic series. Can one tell where a sine wave of less
than 2657 Hz is coming from other than by volume differences?

Mark

on 7/2/02 9:55 AM, Bret at echoplex@yahoo.com wrote:

> 
> --- Mark Sottilaro <sine@zerocrossing.net> wrote:
>> (note, if the waveform is longer than your ears are apart, you can't
>> tell
>> where it is in a stereo field) but most people are so drunk or on
>> extacy that
>> they don't notice much.
> 
> Let's see, the eardrums on a human head are about 5 inches apart, or
> .42 foot apart.  
> The speed of sound in air is about 1116 ft/sec.
> Speed = Wavelength * Frequency, so
> Frequency = Speed/Wavelength
> Thus, a wavelength of 5 inches (.42 foot) has a frequency of about
> 2,657 hz (1116/.42 = 2657).
> 
> A person with normal binaural hearing can certainly tell where a tone
> of less than 2,657 hz (i.e. longer than .42 feet) is located in a
> stereo field, or 3 dimentional space, so I don't understand how you can
> assert 'if the waveform is longer than your ears are apart, you can't
> tell where it is in a stereo field'.  Maybe I misunderstand your
> statement?
> bret