AW: adsr and lfo abolish (Don goes off the deep end again)

[Geren W. Mortensen, Jr.]

All that said, what explains our ability to tell not just left-right, but 
up, down, fore and aft positioning of sounds?

>>Yes, all true, but it does not explain how we can hear phase
>>differences between the ears so well,
>
> It does ! The brain is able to calculate differences in time of two
> equal frequency distributions, but only if they change in time. (The
> time resolution is 3*10E-5 seconds). If you START a sound left from your
> head, the left ear will produce nerve signals milliseconds before the
> right ear.
> You can test it out : generate a constant sine tone with one of your
> synths
> and seperate the original signal and one phase shifted signal for your
> left
> and right ear. You will hear a sine tone in the centre of your head !
> But : (perhaps you try this one with the computer) The original sine
> tone
> amplitude modulated with a square wave for example, and with a little
> phase
> shift of the right-ear-signal will sound like if the signal comes from
> your left (Not only the phase of the sine is shifted, but also attack
> and
> instanteneous release of the signal !!)
> (Sorry, i don't want to sound like a teacher)
>
>

Geren W Mortensen, Jr.

--
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