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From the same journal

Three-Dimensional Digital Waveguide Mesh Simulation of Cylindrical Vocal Tract Analogs

Research output: Contribution to journalArticle



Publication details

JournalIEEE Transactions On Audio Speech And Language Processing
DateE-pub ahead of print - 12 Oct 2012
DatePublished (current) - Feb 2013
Issue number2
Number of pages7
Pages (from-to)449-455
Early online date12/10/12
Original languageEnglish


3D time-domain acoustic modeling techniques have the potential to produce more accurate simulation of the vocal tract than previously implemented 1D or 2D solutions, although the variability of human voice renders it a problematic benchmark for validation of its resynthesis. This study uses acoustic measurement of acrylic cylindrical vocal tract models derived from X-Ray data to assess the validity of comparable 3D digital waveguide mesh simulations. It is found that for more simple structures the 3D digital waveguide mesh is able to reproduce the acoustic behavior up to 10 kHz with only slight errors in resonant frequencies. As the simulated structures become more geometrically complex, this shifting becomes more severe.

    Research areas

  • MODEL, Acoustics, speech synthesis, ACOUSTICS, human voice

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