Recent applications of number-theoretic sequences in audio and acoustics

Xiang, N, Xie, B and Cox, TJ ORCID: 2014, 'Recent applications of number-theoretic sequences in audio and acoustics' , in: Acoustics, Information, and Communication , Springer, pp. 93-111.

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Manfred R. Schroeder made influential contributions to acoustics by applying number theory. He introduced number-theory sequences in room impulse response measurements, applied number-theoretical sequences to shape wall surfaces for diffuse sound reflections. Another area Manfred Schroeder made broad impact is invention of an artificial reverberator using all-pass transfer- function properties to create colorless reverberation using a simple algorithm. Vast research activities and engineering developments over past decades have extended Schroeder’s work involving artificial reverberators, artificial stereo and applications of maximum-length sequences. This chapter briefs a number of recent applications of maximum-length and quadratic-residue sequences, such as simultaneous dual/multiple sources measurements in acoustical tomography, in artificial pseudo-binaural reverberation, in decorrelation for spatial audio signals, and room acoustic diffuser design.

Item Type: Book Section
Schools: Schools > School of Computing, Science and Engineering
Publisher: Springer
ISBN: 9783319056593
Depositing User: USIR Admin
Date Deposited: 08 Nov 2016 11:04
Last Modified: 27 Aug 2021 20:33

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