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Virtual Localization by Blind Persons - July 2012
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Effect of Spatial Location and Presentation Rate on the Reaction to Auditory Displays - July 2012
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Watermark-Aided Pre-Echo Reduction in Low Bit-Rate Audio Coding - June 2012
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Horn Theory and the Phonograph
The development of horn theory from Rayleight through Webster, Hanna and Slepian, Percy Wilson, P. B. Flanders, and Paul Voigt up to the comprehensive analyses by Harry Olson and Leo Beranek is described. An account is included of some early experiments by the senior author on methods of folding horns. A description is also given of a recent acoustic phonograph with a fabulous response down to 30 Hz thanks to loading by an external exponential horn that is curved rather than folded.
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