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Equalization Filter for Eardrum-Pressure Recording Using a KEMAR Manikin

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Eardrum-pressure recordings exhibit spectral peaks caused by the natural resonances of the external ear. Under diffuse-sound-field recording conditions (which are encountered in most music-listening settings), the principal peak amounts to approximately 15 dB at 2700 Hz. In many cases, use of the simple bridged-T equalization filter described here will provide improved naturalness in the reproduction of eardrum-pressure recordings.

JAES Volume 27 Issue 1/2 pp. 13-16; February 1979
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AES - Audio Engineering Society