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Characterizing Studio Monitor Loudspeakers for Auralization

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A method is presented for obtaining the frequency and phase response, directivity pattern, and some of the non-linear distortion characteristics of studio monitor loudspeakers. Using a specially-designed test signal, the impulse response and directivity pattern are measured in a small recording room. A near-field measurement is also taken. An algorithm is presented for combining the near- and far-field responses in order to compute out the early reflections of the room. Doppler distortion can be calculated using recorded and measured properties of the loudspeaker. The result is a set of loudspeaker impulse and directional responses that are detailed enough for convincing auralization.

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Permalink: http://www.aes.org/e-lib/browse.cfm?elib=15291

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