Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/93869
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dc.contributor.authorGan, Woon-Sengen
dc.contributor.authorYang, Jun.en
dc.contributor.authorJi, Peifeng.en
dc.contributor.authorTan, Ee-Leng.en
dc.date.accessioned2011-09-21T03:01:10Zen
dc.date.accessioned2019-12-06T18:46:53Z-
dc.date.available2011-09-21T03:01:10Zen
dc.date.available2019-12-06T18:46:53Z-
dc.date.copyright2010en
dc.date.issued2010en
dc.identifier.citationJi, P., Tan, E. L., Gan, W. S., & Yang, J. (2010). A Comparative Analysis of Preprocessing Methods for the Parametric Loudspeaker Based on the Khokhlov-Zabolotskaya-Kuznetsov Equation for Speech Reproduction. IEEE Transactions on Audio, Speech, and Language Processing, 19(4), 937-946.en
dc.identifier.issn1558-7916en
dc.identifier.urihttps://hdl.handle.net/10356/93869-
dc.description.abstractBased on the Berktay's farfield solution, various preprocessing methods were proposed to reduce the distortion of the highly directional audible signal in the parametric loudspeaker. However, the Berktay's farfield solution is an approximated model of nonlinear acoustic propagation. To determine the effectiveness of these methods, we analyze various preprocessing methods theoretically for directional speech reproduction using the Khokhlov-Zabolotskaya-Kuznetsov (KZK) equation, which provides a more accurate model of nonlinear acoustic propagation. In order to reduce the distortion effectively in the parametric loudspeaker with these preprocessing methods, the initial sound pressure level of the carrier frequency is found to be less than 132 dB according to the KZK equation. Unlike the Berktay' farfield solution that results in a +12 dB/octave gain slope, different gain slopes are derived using the KZK equation and appropriate equalizers are proposed to improve the frequency response of the parametric loudspeaker. The optimal preprocessing method for directional speech reproduction is established based on the KZK equation, which has a relatively flat frequency response of the desired speech signal and the best total harmonic distortion performance.en
dc.format.extent28 p.en
dc.language.isoenen
dc.relation.ispartofseriesIEEE transactions on audio speech and language processingen
dc.rights© 2010 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at: [DOI: http://dx.doi.org/10.1109/TASL.2010.2070794].en
dc.subjectDRNTU::Engineering::Electrical and electronic engineering::Electronic systems::Signal processingen
dc.titleA comparative analysis of preprocessing methods for the parametric loudspeaker based on the Khokhlov-Zabolotskaya-Kuznetsov equation for speech reproductionen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen
dc.contributor.organizationNational Research Foundation Singaporeen
dc.identifier.doi10.1109/TASL.2010.2070794en
dc.description.versionAccepted versionen
dc.identifier.rims156504en
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