Institute of Acoustics

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1 Institute of Acoustics International Conference on Auditorium Acoustics 2008 Proceedings of the Institute of Acoustics Volume 30, Part 3 October 3-5, 2008 Oslo, Norway Printed from e-media with permission by: Curran Associates, Inc. 57 Morehouse Lane Red Hook, NY ISBN: Some format issues inherent in the e-media version may also appear in this print version.

2 ISBN: Copyright (2008) by the Institute of Acoustics. All rights reserved. For permission requests, please contact the Institute of Acoustics at the address below. Institute of Acoustics Proceedings 77A St Peter's Street St. Albans Hertfordshire AL1 3BN United Kingdom

3 Institute of Acoustics International Conference on Auditorium Acoustics 2008 TABLE OF CONTENTS Auditoria in Norway... 1 T. Halmrast Kilden Design for a Contemporary Shoebox Concert Hall in Kristiansand... 2 H. Butcher, R. Harris The New Concert Hall in Stavanger E. Kahle, H. Moller, T. Ognedal Renovation of the Concert Hall De Doelen, Rotterdam, the Netherlands Early Reflections Strength and Stage Acoustics M. Lautenbach, M. Vercammen, K. Lorenz-Kierakiewitz Concert Hall Stage Acoustics from the Perspective of the Performers and Physical Reality J. Dammerud, M. Barron An In-depth Analysis of the Double Bass-stage Floor Contact K. Guettler, A. Buen, A. Askenfelt A Loudspeaker Orchestra for Concert Hall Studies J. Patynen, S. Tervo, T. Lokki The Subjective Assessment of Musicians in Spaces for Music Performance M. Giovannini, A. Astolfi Simplified Room Acoustic Measurements T. Halmrast, A. Buen Objective Assessment of Concert Hall Acoustics M. Barron Will Pure Acoustical Concerts and Opera Performances Survive? A. Krokstad Converting Movie Theatres Into Multi-purpose Concert Halls A. Nagy, A. Kotschy, F. Tamas How Acoustical Engineering Compels Architects to Creativity J. Polack, M. Retbi Ali Qapu: Persian Historial Music Room H. Azad Telepresence Room Acoustics O. Bredvei, T. Tronstad, J. Nielsen How Dry Do the Recordings for Auralization Need to Be? A. Buen Characterizing Sound Sources for Room-acoustical Measurements G. Defrance, L. Daudet, J. Polack Auditorium of the Morgan Library, Computer Aided Design and Post-construction Results B. Katz, E. Kahle

4 Design of Diffuser Profile for a Shoebox Concert Hall Using Scale Models J.H. Kim, Y.H. Kim, J. Jeon Investigating the Absorption Characteristics of Open Ceilings in Multi-purpose Halls Using 1:25 Scale Model Y.H. Kim, J. Jeon Acoustic Design of Theatres for Natural Speech And/or Variable Acoustics M. Luykx, M. Vercammen, R. Metkemeijer Time Domain Boundary Element Methods for Acoustic Scattering from Curved Surfaces G. Natsiopoulos Studio Acusticum a Concert Hall with Variable Volume R. Okvist, A. Agren, B. Tunemalm Reflector Arrays and Their Frequency Limits a Status Report Diffusivity and Its Significance to Effective Seat Absorption in Concert Halls On the Influence of Ceiling and Audience Profile on the Reverberation Time and Other Room Acoustical Parameters U. Stephenson Speech Intelligibility and Activity Noise in Open Plan Education Spaces B. Stofringsdal Artistic Contributions to Ambient Sound Design J. Tro Re-creating Performing Environment for Poly-choral Music W.C. Wang An Approach to Orchestral Canopy Design Optimisation M. Whitcroft Renovation of the Theater Puccini in Milan: Prediction of Acoustic Quality of Two Rooms G. Zambon, S. Radaelli Measurements and Study on Variable Acoustics in Performance Spaces O. Lindfors, H. Moller, A. Ruusuvuori An Overview of the Acoustics of the Oslo Opera House L. Strand The Acoustic of the Store Sal, Oslo Opera House J. Newton, R. Harris Room Acoustics in the Scene II in the New Oslo Opera and the Ridehuset - Two Variable Acoustics Coupled Space Venues A. Buen, L. Strand Experiences of a Musician of the Oslo Opera G. Ihlen Electro-acoustic Systems for the New Opera House in Oslo A. Berntson, F. Bye Performance Hall Acoustics from the Point of View of the Solo Singer P. Klaveness

5 Design of Modern Theaters in Brazil J. Nepomuceno The Acoustic Design of the Elisabeth Murdoch Hall, Melbourne, Australia R Orlowski, S. Jones Subjective Evaluation of the Beijing National Grand Theatre of China C. Rougier, I. Schmich, Z. Xiangdong, Y. Xiang, L. Guo-Qi The St Michaelis Church in Luneburg: an Example for Changing Room Acoustics J. Meyer The Acoustical Survival of San Vitale, Ravenna, Italy Through Two Millennia L. Tronchin, D. Knight Acoustics of Traditional Chinese Theaters W. Chiang, W. Lin, Y. Hsu Room Acoustic Parameters and Their Distribution Over Concert Hall Seats Subjective Evaluation of the Acoustics of Jazz Auditoria; Multi-dimensional Description of Evaluations A. Sotiropoulou, G. Poulakos, J. Karayannis, J. Tzouvadakis Auralisation of Concert Halls Using Multi-source Representation of a Symphony Orchestra J. Rindel, C. Christensen Acoustics of the New Theatre Auditorium (tap) in Poitiers, France: Concert Hall and Opera Theatre D. Commins Volumetric Diffusers Inspired by Percolation Fractals T. Cox, R. Hughes, J. Angus, D. Whittaker, M. Pogson, G. Gehring Diffuser Design for the New Ifez Arts Center Concert Hall Using Scale Models J. Jeon, Y.H. Kim The Acoustics of the New Symphonic Hall in Aarhus, Denmark D. Kleener, R. Ballinger, C. Fog Author Index