26 Jan
2004
26 Jan
'04
6:47 a.m.
On Mon, 26 Jan 2004 10:19:59 +0100
Joern Nettingsmeier <nettings(a)folkwang-hochschule.de> wrote:
people can't hear over 20k. period. 48k sampling
rate gives you 24k
minus what's cropped off by the aliasing filter.
Thats not the full story. There was a Japanese study where untrained
listeners could tell the difference between 10kHz sine waves and 10kHz
square waves in double blind tests. That means that the listeners
could tell presence or absence of the 30kHz third harmonic of the
square wave.
Theroretically this should not have been possible which indicates that
theories of hearing perception are far from complete.
Erik
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Erik de Castro Lopo nospam(a)mega-nerd.com (Yes it's valid)
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