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Original Message
Kunchur
Posted by Tony Lauck on October 29, 2010 at 12:21:12:
Actually, it was different work done by Kunchur that sparked the debate that I recall. While his experimental work may have been exemplary he got thoroughly roasted for his conclusion that the ability to hear a 6 microsecond delay proved that more than 20 kHz bandwidth was required.
When I last tried, I didn't hear a difference between a 7 kHz sine wave and a 7 kHz square wave that had been band limited to 22 kHz, but it wasn't a serious effort. I once could easily hear a 21,000 cps sine wave. but almost 50 years later it takes a good day to hear 15,000 Hz.