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The theoretical basis and a practical implementation of a microphone technique are presented which combines first-order-gradient and second-order-gradient unidirectional characteristics, and allows for a degree of the adjustment of magnitude and polar response. The proposed technique, through use of the second-order-gradient characteristic, extends the high directivity of pickup to low frequencies. This is desirable because most instruments radiate low frequencies omnidirectionally and low-frequency energy is not easily dissipated in a room. The result of this application is a more defined sound with less low-frequency ambient leakage and improved separation.
Author (s): Woszczyk, Wieslaw R.
Affiliation:
McGill University, Montreal, Quebec, Canada
(See document for exact affiliation information.)
Publication Date:
1984-08-06
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Woszczyk, Wieslaw R.; 1984; A Microphone Technique Applying the Principle of Second-Order-Gradient Unidirectionality [PDF]; McGill University, Montreal, Quebec, Canada; Paper ; Available from: https://aes2.org/publications/elibrary-page/?id=10287
Woszczyk, Wieslaw R.; A Microphone Technique Applying the Principle of Second-Order-Gradient Unidirectionality [PDF]; McGill University, Montreal, Quebec, Canada; Paper ; 1984 Available: https://aes2.org/publications/elibrary-page/?id=10287