James,
At 16:03 20/02/98 +0000, you wrote:
>If you have your hearing tested you get a two plots of pitch /
>frequency. The noise from a carburettor is white in colour, that
>is all frequencies have equal energy, so this covers all your
>hearing range. Take the average hearing level for each ear, and
>see what the difference is. Then stick a tube in each ear, and
>shove these in front of the carburettors. ...
How about another hose in each nostril, so you can use smell to evaluate the
mixtures, at the same time?
Allen Nugent
Graduate School of Biomedical Engineering
University of New South Wales
Sydney 2052 Australia
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