Headphones (Al Bregman )

Subject: Headphones
From:    Al Bregman  <BREGMAN(at)HEBB.PSYCH.MCGILL.CA>
Date:    Mon, 6 Mar 2000 17:55:55 -0500

Dear Colleagues, Typically I haven't been so fussy about headphones in my research. I just use a reasonable set, similar to Sennheiser HD414, and calibrate it with a flat-plate coupler. I am starting a new project for which I would like to have some confidence that the phase response was fairly linear, i.e., that components in the signal have (in the ideal case) the same phase relations among themselves in the output of the headphone as they have in the input to them. I assume that I will have to use electrostatic headphones to satisfy this requirement. Does anybody know whether this is true; and/or can you recommend a specific model? I haven't yet put a price limit on it, but obviously there comes a point of diminishing returns as the price increases.. Thanks, Al ------------------------------------ Albert S. Bregman Emeritus Professor Dept of Psychology McGill University Montreal, QC Canada H3A 1B1 Tel: +1 (514) 398-6103 Fax: +1 (514) 398-4896

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Electrical Engineering Dept., Columbia University