Re: Cage & Anechoic Chambers -- a few questions

["Richard J. Fabbri" <fabbri@xxxxxxxxxxx>]

Dear Didier,

>... I know that when I enter our sound room, I hear a high frequency noise,
>esp during an experiment, late at night.

        ... Does this "high frequency noise" appear in both ears ?
        ... Or, just one ear ?
        ... Your comment mentions "during an experiment" - Is the
        "high frequency noise" perceived in the quiet of the a.c. ?
        ... And, do you still experiencing a "pressure" sensation or, are
        you the kind of listener that Ronald Aarts categorizes as being
        "acquainted now and then in an anechoic chamber don't notice
        this (any more)."


Best Regards,
Rich

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