Benchmarks for time-domain simulation of sound propagation in soft-walled airways: steady configurations
Time-domain computer simulation of sound production in airways is a widely used tool, both for research and synthetic speech production technology. Speed of computation is generally the rationale for one-dimensional approaches to sound propagation and radiation. Transmission line and wave-reflection...
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| Veröffentlicht in: | The Journal of the Acoustical Society of America 2014-12, Vol.136 (6), p.3249-3261 |
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| creator | Titze, Ingo R Palaparthi, Anil Smith, Simeon L |
| description | Time-domain computer simulation of sound production in airways is a widely used tool, both for research and synthetic speech production technology. Speed of computation is generally the rationale for one-dimensional approaches to sound propagation and radiation. Transmission line and wave-reflection (scattering) algorithms are used to produce formant frequencies and bandwidths for arbitrarily shaped airways. Some benchmark graphs and tables are provided for formant frequencies and bandwidth calculations based on specific mathematical terms in the one-dimensional Navier-Stokes equation. Some rules are provided here for temporal and spatial discretization in terms of desired accuracy and stability of the solution. Kinetic losses, which have been difficult to quantify in frequency-domain simulations, are quantified here on the basis of the measurements of Scherer, Torkaman, Kucinschi, and Afjeh [(2010). J. Acoust. Soc. Am. 128(2), 828-838]. |
| doi_str_mv | 10.1121/1.4900563 |
| format | Article |
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| source | MEDLINE; AIP Journals Complete; Alma/SFX Local Collection; AIP Acoustical Society of America |
| subjects | Acoustics Benchmarking Computer Simulation Humans Models, Theoretical Phonation - physiology Pulmonary Ventilation - physiology Respiratory Physiological Phenomena Sound Speech Production Speech Production Measurement |
| title | Benchmarks for time-domain simulation of sound propagation in soft-walled airways: steady configurations |
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