Calculation of impulse responses and acoustic parameters in a hall by the finite-difference time-domain method

Acoustical Science and Technology

Volumn 29, Issue 4, 2008, Pages 256-265

  Sakamoto, Shinichi ^a   Nagatomo, Hiroshi ^b   Ushiyama, Ayumi ^c   Tachibana, Hideki ^d  

^a INSTITUTE OF INDUSTRIAL SCIENCE   (Japan)

^b Bruel & Kjaer Danmark   (Denmark)

^c Daiwa House Industry Co   (Japan)

^d CHIBA INSTITUTE OF TECHNOLOGY   (Japan)

Author keywords

Acoustic parameters; Finite difference time domain method; Impulse response

Indexed keywords

ACOUSTIC IMPEDANCE; ACOUSTICS; ARCHITECTURAL ACOUSTICS; BOUNDARY CONDITIONS; CALCULATIONS; ELASTIC WAVES; FINITE DIFFERENCE METHOD; FINITE DIFFERENCE TIME DOMAIN METHOD; METHOD OF MOMENTS; NONLINEAR OPTICS; ONTOLOGY; PHOTOACOUSTIC EFFECT; REVERBERATION; TIME DOMAIN ANALYSIS;

(I ,J) CONDITIONS; ACOUSTIC PARAMETERS; FINITE DIFFERENCE TIME DOMAIN (FDTD) METHODS; IMPEDANCE BOUNDARY CONDITION (IBC); MEASURED VALUES; MECHANICAL SYSTEM (MS); REVERBERATION TIME (RT); TUBE METHODS;

PARAMETER ESTIMATION;

EID: 46649097867     PISSN: 13463969     EISSN: 13475177     Source Type: Journal    
DOI: 10.1250/ast.29.256     Document Type: Article

References (15)

1. N. Okamoto, T. Otsuru, R. Tomiku and T. Okuzono, "Performance of iterative methods and acceleration of computation for large-scale finite element sound field analysis in rooms," Proc. The 9th Western Pacific Acoustics Conference, Seoul, Korea (2006).
2. T. Otsuru, N. Okamoto, R. Tomiku, D. Azuma and K. Yamamura, "Large-scale finite element sound field analysis, design and scientific tool for room acoustics," Proc. Internoise 2005, Rio de Janeiro, Brazil (2005).
3. T. Sakuma and Y. Yasuda, "Fast multipole boundary element method for large-scale steady-state sound field analysis, Part I: Setup and validation," Acta Acust. Acust., 88, 513-525 (2002).
4. Y. Yasuda and T. Sakuma, "Fast multipole boundary element method for large-scale steady-state sound field analysis, Part II: Examination of numerical items," Acta Acust. Acust., 89, 28-38 (2003).
5. T. Yokota, S. Sakamoto and H. Tachibana, "Sound field simulation method by combining finite difference time domain calculation and multi-channel reproduction technique," Acoust. Sci. & Tech., 25, 15-23 (2004).
6. T. Yokota, S. Sakamoto and H. Tachibana, "Visualization of sound propagation and scattering in rooms," Acoust. Sci. & Tech., 23, 40-46 (2002).
7. S. Sakamoto, T. Seimiya and H. Tachibana, "Visualization of sound reflection and diffraction using finite difference time domain method," Acoust. Sci. & Tech., 23, 34-39 (2002).
8. T. Yokota, S. Sakamoto, H. Tachibana, M. Ikeda, K. Takahashi and T. Otsuru, "Comparison of room impulse response calculated by the simulation methods based on geometrical acoustics and wave acoustics," Proc. ICA 2004, Vol. 4, pp. 2715-2716 (2004).
9. S. Sakamoto, "Phase-error analysis of high-order finite difference time domain scheme and its influence on calculation results of impulse response in closed sound field," Acoust. Sci. & Tech., 28, 295-309 (2007).
10. H. Suzuki, A. Omoto and K. Fujiwara, "Treatment of boundary conditions by finite difference time domain method," Acoust. Sci. & Tech., 28, 16-26 (2007).
11. O. Chiba, T. Kashiwa, H. Shimoda, S. Kagami and I. Fukai, "Analysis of sound fields in three dimensional space by the time-dependent finite-difference method based on the leap frog algorithm," J. Acoust. Soc. Jpn. (J), 49, 551-562 (1993) (in Japanese).
12. S. Sakamoto and H. Tachibana, "Calculation of impulse responses in 3-D sound field with absorptive boundary by the finite difference method," Proc. inter-noise 97, pp. 1597-1600 (1997).
13. M. Barron, "Using the standard on objective measures for concert auditoria, ISO 3382, to give reliable results," Acoust. Sci. & Tech., 26, 162-169 (2005).
14. J. S. Bradley, "Using ISO 3382 measures, and their extensions, to evaluate acoustical conditions in concert halls," Acoust. Sci. & Tech., 26, 170-178 (2005).
15. ISO/DIS 3382-1:2006 "Acoustics - Measurement of room acoustic parameters - Part 1: Performance rooms, Annex A Auditorium measures derived from impulse responses" (2006).