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Generalized Fractional-Octave Smoothing of Audio and Acoustic Responses

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A methodology is introduced for smoothing the complex transfer function of measured responses using well-established or arbitrary fractional-octave profiles, based on a novel time-frequency mapping framework. A corresponding impulse response, also derived analytically, has reduced complexity but conforms to perceptual princples. The relationship between complex smoothing and traditional power spectral smoothing is also discussed.

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JAES Volume 48 Issue 4 pp. 259-280; April 2000
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Permalink: http://www.aes.org/e-lib/browse.cfm?elib=12070

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