From william ratke Sent Wed, Feb 17th 1999, 15:38
From william ratke Sent Wed, Feb 17th 1999, 15:38
>
>me too...but neither you nor i can actually hear them...what we do hear is
the
>effect of the ultrasonic sensors heterodyning the air and creating
harmonics
>below the actual tone...i.e. a 30khz tone might give off some low volume
15khz
>harmonics, which you can hear if you have good ears...to see if you can
>actually hear 20+ k tones, you really need to listen to them on good
>headphones in one of those listening test type environments...(i.e. you
can't
>see when someone is or isn't playing a tone)
im entirely into the theory of sound and how the human intakes it but
really i find textures that rest on the lo-fidelity end of the audio
spectrum have a much more profound effect upon me at all levels, (via
mego, the haters, gbv, vvm nd third eye found. amidst others, in quite a few
ways i prefer reel to reel/four track composition to digital, whenever i
play with digital i allways end up degrading the sound quality so much it
sounds like it was produced on a defunct gramaphone, really all a matter of
preference i suppose_ will