TECHNICAL PAPERS SESSIONS Sunday, May 17th Sessions P5 - P8 Session P5 9:00 ­ 13:30 h SIGNAL PROCESSING-II Chairman: John Mourjopoulos, Wire Communication Laboratory, University of Patras, Patras, Greece P5-1 Time-scale Modification Algorithm for Audio and Speech Signal Applications ­ Amerson H. J. Lin, Raffles Institution, Singapore, Roland K. C. Tan, Nanyang Technological University, Singapore P5-2 Selective Transformations of Sounds using Time-Frequency Representations: An Application to the Vibrato Modification ­ D. Arfib, LMA/CNRS, Marseille, France, N. Delprat, LMM/Universite Pierre et Marie Curie, Paris 6, France P5-3 Method for Multiple Wave Table Synthesis of Musical Tones based on Complex Valued PCA ­ Thierry Rochebois, Gerard Charbonneau, IEF AXIS/TSA, Orsay, France

P5-4 An Adaptive Method for Waveform Time Code Modulation ­ Vassilis Stylianakis, Dimitris Kalogiros, University of Patras, Patras, Greece P5-5 Adaptive Algorithm for Detecting and Reducing Sibilants in Recorded Speech ­ Martin Wolters, TELOS Systems, Cleveland, Markus Sapp, Jörg Becker, Institute of Communication Engineering, Aachen University of Technology, Aachen, Germany P5-6 Higher-Order Statistics based Inverse Filtering for Analysis of Esophageal Voice Production ­ Costas Pastiadis, George Papanikolaou, Aristotle Univ. of Thessaloniki, Greece P5-7 Software Implementation of B-Format Encoding and Decoding ­ Angelo Farina, Universitá di Parma, Parma, Italy, Emanuele Ugolotti, ASK Automotive Ind., Reggio Emilia, Italy P5-8 Wigner Distribution Representation and Analysis of Audio Signals: An Illustrated Tutorial Review ­ Douglas Preis, Dept. Of El. Eng. and Computer Sc., Tufts Univ., Medford, USA, Voula Chris Georgopoulos, Ohio University, Athens, USA Session P6 9:00 ­ 13:00 h MULTICHANNEL SOUND SYSTEMS Chairman: David Griesinger, Lexicon Inc., Bedford MA, USA P6-1 Synthesised Multichannel Signal Levels versus the M-S Ratios of 2-Channel Programme Items ­ Francis Rumsey, University of Surrey, Guildford, UK P6-2 Controlled Subjective Assessments of 2-to-5-Channel Surround Sound Processing Algorithms ­ Francis Rumsey, University of Surrey, Guildford, UK P6-3 Optimization of Microphone Arrays ­ Mario Rossi, EPFL Ecublens, Lausanne, Switzerland, Eric van Lancker, Ecole Polytechnique Federale de Lausanne, Switzerland P6-4 An Audiovisual Application of Multichannel flat Loudspeaker Panel ­ Reijo Hammar, The Theatre Academy of Finland, Marko Antila, VTT, Tampere, Finland, Seppo Uosukainen, VTT, Helsinki, Finland P6-5 Towards a Rational Basis for Multi-Channel Music Recording ­ James A. Moorer, Sonic Solutions, Novato CA, USA, Jack H. Vad, SFSO, San Francisco, USA P6-6 Variable Acoustics by Wave Field Synthesis: A Closer Look at Amplitude Effects ­ Jan-Jakob Sonke, Diemer de Vries, Joeri Labeeuw, Delft University of Technology, Delft, The Netherlands P6-7 A Wavefield Approach to Multichannel Sound ­ A.J. Berkhout, Delft University of Technology, Delft, The Netherlands P6-8 Assessment of 4-2-4 and 5-2-5 Surround Sound Matrix Systems ­ Gerhard Spikofski, Gunther Theile, Wolfgang Zieglmeier, IRT, München, Germany Session P7 13:30 ­ 18:00 h TRANSDUCERS-II Chairman: Arie Kaizer, Philips Research Labs, Eindhoven, The Netherlands P7-1 Vibration Resonances of a Titanium Loudspeaker Diaphragm ­ David Bie, Mackie Designs Inc., Woodville WA, USA P7-2 Nonlinearities in Loudspeaker Ports ­ John Vanderkooy, Audio Res. Group, Univ. of Waterloo, Waterloo, Canada P7-3 Reduction of Bass-Reflex Port Nonlinearities by Optimizing the Port Geometry ­ N.B. Roozen, J.E.M. Vael, Philips Research Labs, Eindhoven, The Netherlands, J.A.M. Nieuwendijk, Philips ASA Labs, Eindhoven, The Netherlands P7-4 Thermal Simulation of Loudspeakers ­ Peter John Chapman, Bang & Olufsen A/S, Struer, Denmark P7-5 Loudspeaker Parameter Measurements ­ A Discussion on Accuracy and Validity ­ Erling Sandermann Olsen, Technical University of Denmark, Lyngby, Denmark P7-6 Distortion Mechanisms of Distributed Mode (DM) Panel Loudspeakers ­ Martin Colloms, Consultant, London, UK, Joerg Panzer, Panzer & Partner, Munich, Germany, Vladimir Gotcharov, Valerie Taylor, NXT, Huntingdon, UK P7-7 Exciter Design for Distributed Mode Loudspeakers ­ Martin Roberts, NXT, Huntingdon, UK P7-8 The Intrinsic Scalability of the Distributed Mode Loudspeaker (DML) ­ Graham Bank, NXT, Huntingdon, UK P7-9 Distributed Mode Loudspeaker Simulation Model ­ Joerg Panzer, Consultant, Munich, Germany, Neil Harris, NXT, Huntingdon, UK Session P8 14:00 ­ 18:00 h ARCHITECTURAL ACOUSTICS Chairman: A. J. Berkhout, Delft University of Technology, Delft, The Netherlands P8-1 A Controlled-reflection Listening Room for Multi-Channel Sound ­ R. Walker, BBC Research and Development, Tadworth, UK P8-2 Numerical Processing of Calculated Echograms to Derive Stable Room Acoustics Parameters ­ J.J. Embrechts, University of Liège, Liège, Belgium P8-3 Sound Diffusers Based on Number Theory with Random Variations of Surface Acoustic Impedance ­ Romuald Bolejko, Piotr Pruchnicki, Institute of Telecommunication and Acoustics, Wroclaw, Poland P8-4 Experimental Low-Frequency Sound Equalization in an Extended Region of an Enclosure Using Adaptive Filters ­ Arturo Orozco-Santillin, Technical University of Denmark, Lyngby, Denmark P8-5 New Reference Listening Room for Two-Channel and Multichannel Stereophonic ­ Eva Arato-Borsi, Tamas Poth, Hungarian Radio, Budapest, Hungary, Andor Furjes, Technical University of Budapest, Budapest, Hungary P8-6 Obtaining of Acoustical Comfort in a Room by means of Acoustical Barriers Installation ­ Nickolay I. Ivanov, Natalia V. Zyuzlikova, Baltic State Technical University, St. Petersburg, Russia P8-7 A Wavefield Model for the Simulation of Impulse Responses in Enclosed Spaces ­ A.J. Berkhout, D. de Vries, Delft University of Technology, Delft, The Netherlands P8-8 Artificial Reverberation based on a Pseudo-Random Impulse Response ­ Per Rubak, Aalborg University, Aalborg, Denmark, Lars G. Johansen, Audio Nord, Aalborg, Denmark TECHNICAL PAPERS SESSIONS Saturday, May 16th Sessions P1-P4 Sunday, May 17th Sessions P5-P8 Monday, May 18th Sessions P9-P12 Tuesday, May 19th Sessions P13-P16 (C) 2000, Audio Engineering Society, Inc.