[no subject]

>>> yeah and i was just having a cup of tea the other day talking to some
>>> friends regarding a recording of silence which would eliminate [...] all
sounds
>
>
> an audio engineer once told my about the genesis of digital recording when
> I was drunk after a gig one night, so the details might be off. he
> maintained that the original research was done by the US Navy, which was
> attempting to create a system that would cancel the sounds of its nuclear
> submarines. the basic principle was to be cancellation of the sound waves
> of the submarine, somehow sending out sound waves which were identical to
> those generated by the submarine, but with the phase reversed. (one thinks
> of what happens when two loudspeakers are out of phase, and the signals
> common to both speakers get cancelled.).
>
> well, okay, I have no information as to whether they ever got it to work,
> but if they did, it would be an example of digital reocrding of silence (of
> a sort), and presumably a great work of electronic music.
>
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