Adapting a randomized beam-axis-tracing algorithm to modeling of coupled rooms via late-part ray tracing

Journal of the Acoustical Society of America

Volumn 118, Issue 3 I, 2005, Pages 1491-1502

  Summers, Jason E ^a,c   Torres, Rendell R ^a   Shimizu, Y ^a,d   Dalenbäck, Bengt Inge L ^b  

^a RENSSELAER POLYTECHNIC INSTITUTE   (United States)

^b CATT   (Sweden)

^c NAVAL RESEARCH LABORATORY   (United States)

^d YAMAHA CORPORATION   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC WAVE REFLECTION; ACOUSTICS; ERROR ANALYSIS; FUNCTIONS; MATHEMATICAL MODELS; RANDOM PROCESSES; RAY TRACING;

BEAM AXIS TRACING ALGORITHMS; ENERGY DECAY; RAY TRACING ALGORITHMS; REFLECTION DENSITY;

ADAPTIVE ALGORITHMS;

ACOUSTICS; ALGORITHM; COMPUTER PROGRAM; CONFERENCE PAPER; DECOMPOSITION; ENERGY; GEOMETRY; MATHEMATICAL ANALYSIS; MODEL; PRIORITY JOURNAL;

EID: 24944468100     PISSN: 00014966     EISSN: None     Source Type: Journal    
DOI: 10.1121/1.2000772     Document Type: Conference Paper

References (43)

1. J. E. Summers, "Reverberant acoustic energy in auditoria that comprise systems of coupled rooms," Ph.D. dissertation, Rensselaer Polytechnic Institute, Troy, NY, 2003
2. [J. Acoust. Soc. Am. 114, 2526(A) (2003)]. (Electronic copies are available from the author.)
3. G. M. Naylor, "ODEON-Another hybrid room acoustical model," Appl. Acoust. 38, 131-143 (1993).
4. J. S. Anderson and M. Bratos-Anderson, "Acoustic coupling effects in St. Paul's Cathedral, London," J. Sound Vib. 236, 209-225 (2000).
5. U. Ayr, E. Cirillo, and F. Martellotta, "Theoretical and experimental analysis for coupled rooms: transient behavior and relevant acoustical parameters," in Proceedings of the 17th ICA, Rome (2001).
6. L. Nijs, G. Jansens, G. Vermeir, and M. van der Voorden, "Absorbing surfaces in ray-tracing programs for coupled spaces," Appl. Acoust. 63, 611-626 (2002);
7. J. E. Summers, "Comments on 'Absorbing surfaces in ray-tracing programs for coupled spaces'," ibid. 64, 825-831 (2003).
8. C. D. Lyle, "Truncation error in computing reverberation by geometric acoustics," Acoust. Lett. 4, 245-247 (1981);
9. C. D. Lyle, "Sound decays in a semipartioned rectangular enclosure with non-uniform absorption, and comparison with geometric theory," ibid. 5, 30-34 (1981).
10. D. van Maercke, "Simulation of sound fields in time and frequency domain using a geometrical model," in Proceedings of the 12th ICA, Toronto, paper E11-7 (1986).
11. T. Lewers, "A combined beam tracing and radiant exchange computer model of room acoustics," Appl. Acoust. 38, 161-178 (1993).
12. B.-I. L. Dalenbäck, "Verification of prediction based on Randomized Tail-Corrected cone-tracing and array modeling," on the CD-ROM: Berlin, March 14-19, Collected Papers, 137th Meeting of the Acoustical Society of America and the 2nd Convention of the European Acoustical Association (ISBN 3-9804458-5-4, available from Deutsche Gesellschaft für Akustik, Fachbereich Physik, Universität Oldenburg, 26111 Oldenburg, Germany), paper 3pAAa1 (1999).
13. [J. Acoust. Soc. Am. 105, 1173(A) (1999).]
14. J. B. Allen and D. A. Berkley, "Image method for efficiently simulating small room acoustics," J. Acoust. Soc. Am. 65, 943-951 (1979).
15. J. Borish, "Extension of the image method to arbitrary polyhedra," J. Acoust. Soc. Am. 75, 195-206 (1984).
16. A. Krokstad, S. Strøm, and S. Sørsdal, "Calculating the acoustical room response by the use of a ray tracing technique," J. Sound Vib. 8, 118-125 (1968).
17. H. Lehnert, "Systematic errors of the ray-tracing algorithm," Appl. Acoust. 38, 207-221 (1993).
18. M. Vorländer, "Simulation of the transient and steady-state sound propagation in rooms using a new combined ray-tracing/image-source algorithm, " J. Acoust. Soc. Am. 86, 172-178 (1989).
19. D. van Maercke and J. Martin, "The prediction of echograms and impulse responses within the Epidure software," Appl. Acoust. 38, 93-114 (1993).
20. B.-I. L. Dalenbäck, "Room acoustic prediction based on a unified treatment of diffuse and specular reflection," J. Acoust. Soc. Am. 100, 899-909 (1996).
21. J. P. Walsh and N. Dadoun, "What are we waiting for? The development of Godot, II," presented at the 103rd Meeting of the Acoustical Society of America, April 1982
22. [J. Acoust. Soc. Am. Suppl. 1 82, S5(A) (1982)].
23. I. A. Drumm and Y. W. Lam, "The adaptive beam-tracing algorithm," J. Acoust. Soc. Am. 107, 1405-1412 (2000).
24. T. Funkhouser, N. Tsingos, I. Carlbom, G. Elko, M. Sondhi, J. E. West, G. Pirgali, P. Min, and A. Ngan, "A beam tracing method for interactive architectural acoustics," J. Acoust. Soc. Am. 115, 739-756 (2004).
25. R. H. Bolt, P. E. Doak, and P. J. Westervelt, "Pulse statistics in room acoustics," J. Acoust. Soc. Am. 22, 328-340 (1950).
26. M. Vorländer, "Revised relation between the sound power and the average sound pressure level in rooms and consequence for acoustics measurements," Acustica 81, 332-343 (1995).
27. H. Lehnert and J. Blauert, "Principles of binaural room simulation," Appl. Acoust. 36, 259-291 (1992).
28. A. Farina, "Ramsete- a new pyramid tracer for medium and large scale acoustic problems," in Proceedings of EURO-NOISE 95, Lyon (1995).
29. H. Kuttruff and Th. Straßen, "Zur Abhängigkeit des Raumnachhalls von der Wanddiffusität und von der Raumform" ("On the dependence of reverberation time on the 'wall diffusion' and on room shape"), Acustica 45, 246-255 (1980).
30. M. R. Schroeder, "Binaural dissimilarity and optimum ceilings for concert halls: More lateral sound diffusion," J. Acoust. Soc. Am. 65, 958-963 (1979).
31. M. R. Schroeder, "Diffuse sound reflection by maximum-length sequences," J. Acoust. Soc. Am. 57, 149-150 (1975).
32. L. L. Beranek, Acoustics (McGraw-Hill, New York, 1954), p. 103.
33. S. Müller and P. Massarani, "Transfer-function measurement with sweeps," J. Audio Eng. Soc. 49, 443-471 (2001).
34. ISO 9613-1, Acoustics-Attenuation of sound during propagation outdoors-Part 1: Calculation of the absorption of sound by the atmosphere (1993).
35. J. D. Polack, A. H. Marshall, and G. Dodd, "Digital evaluation of the acoustics of small models: The MIDAS package," J. Acoust. Soc. Am. 85, 185-193 (1989).
36. J. E. Summers, "Considerations for the modeling of seat absorption in geometrical-acoustics software," ARLO 4, 77-82 (2003).
37. F. Kawakami and T. Sakai, "Deep-well approach for canceling the edge effect in random incident absorption measurement," J. Acoust. Soc. Jpn. (E) 19, 327-338 (1998).
38. M. Hodgson, "Evidence of diffuse surface reflections in rooms," J. Acoust. Soc. Am. 89, 765-771 (1991).
39. ISO/DIS 17497-1, Acoustics-Sound-scattering properties of surfaces-Part 1: Measurement of the random-incidence scattering coefficient in a reverberation room (2000).
40. J. E. Summers, R. R. Torres, and Y. Shimizu, "Statistical-acoustics models of energy decay in systems of coupled rooms and their relation to geometrical acoustics," J. Acoust. Soc. Am. 116, 958-969 (2004).
41. W. T. Chu, "Comparison of reverberation measurements using Schroeder's impulse method and decay-curve averaging method," J. Acoust. Soc. Am. 63, 1444-1450 (1978).
42. J. E. Summers, R. R. Torres, and Y. Shimizu, "Estimating mid-frequency effects of aperture diffraction on reverberant-energy decay in coupled-room auditoria," Build. Acoust. 11, 271-291 (2004).
43. F. Martellotta, personal communication; see also Ref. 4.