I mean, technically it is, just the 'sound waves' are square waves of varying height/...

pdntspa • today at 7:32 PM • 1 reply • view on HN

I mean, technically it is, just the 'sound waves' are square waves of varying height/width

rahimnathwani • today at 7:44 PM

ADSL is designed to use frequencies beyond the range of human hearing.

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