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On 04/02/2009 07:29 AM, Quist, Oren wrote:
.... I have been told by people in music that although the ear
cannot hear above, say 20,000 Hz, the sound will be different if
those higher frequencies are there or not. Or, put another way, the
trained ear can sense the higher inaudible frequencies being present
or not. Anyone have experience, or knowledge in this area?
I can tell you that the auditory system is very complex and
tricky.
Frequency is not the whole story.
I guarantee you that things that are "inaudible" in one context
are audible in other contexts. Almost any question that is framed
in terms of frequencies being "present or not" is ill-posed,
because the auditory system is not a frequency analyzer. For
starters, parts of the system are sensitive to phase (not just
to frequency).