TECHNICAL PAPER SESSIONS
Friday, September 24 1999
Sessions A-E

A: MICROPHONES AND
MICROPHONE TECHNIQUES
Friday, September 24
9:00 AM

Chair: David Josephson, Josephson Engineering,
San Jose, CA, USA

Optical Microphone's Breakthrough--Alexander Paritsky and Alexander Kots, Phone-Or Ltd., Or-Yehuda, Israel; and Wolfgang H. Niehoff, Vladimir Gorelik, and Manfred Hibbing, Sennheiser Electronics Ltd., Wedemark, Germany.

Simulated Diffuse Field Measurements--Christopher J. Struck, ReSound Corporation, Redwood City, CA, USA

A Brief Tutorial on Proximity Effect--David Josephson, Josephson Engineering, San Jose, CA, USA

The Microphone: Between Physics and Emotion--
Jörg Wuttke, Schoeps GmbH, Karlsruhe, Germany

Microphone Array Analysis for Multichannel Sound Recording--Michael Williams, Audio Consultant, Paris, France; and Guilaume Le Dû, Ecole Nationale Supérieure Louis Lumiére, Marne La Vallée, France.

B: MULTICHANNEL AUDIO
SYNTHESIS, REPRODUCTION
AND CONTROL
Friday, September 24
9:00 AM

Chair: Wieslaw Woszczyk, McGill University, Montreal,
Quebec, Canada

A Computer System for Investigating and Building Synthetic Auditory Spaces, Part 1--René Quesnel, Wieslaw Woszczyk, Jason Corey, and Geoff Martin, McGill University, Montreal, Quebec, Canada

Room Simulation for Multichannel Film and Music--Knud Bank Christensen and Thomas Lund, TC Electronic A/S, Risskov, Denmark

Sound Source Localization in a Five-Channel Surround Sound Reproduction System--Geoff Martin, Wieslaw Woszczyk, Jason Corey, and René Quesnel, McGill University, Montreal, Quebec, Canada

Rear and Side Pairwise Evaluations of the Precedence Effect--Doug Mitchell, Middle Tennessee State University, Murfreesboro, TN, USA

Controlling Phantom-Image Focus in a Multichannel Reproduction System--Geoff Martin, Wieslaw Woszczyk, Jason Corey, and René Quesnel, McGill University, Montreal, Quebec, Canada

C: COMPUTING & COMPUTING
HARDWARE IN AUDIO
Friday, September 24
2:00 PM

Chair: Timothy Self, Be Inc., Menlo Park, CA, USA

The Convergence of the PC and the Audio Production Facility
--Erik Tarkiainen, Cakewalk Software, Cambridge, MA, USA

24-Bit 96 kHz Digital Audio Workstation Using High Performance Be Operating System on a Multiprocessor Intel Machine--Michal Jurewicz, Mytek, Inc., New York, NY, USA; and Timothy Self, Be Inc., Menlo Park, CA, USA

The Effect of Digital Audio Workstations and DSP Board Architecture on Sound Performance--Mikhail Matusov, Gloucester, Ontario, Canada; and Leonid Mokrushin,
St. Petersburg, Russia

Multichannel Audio Over Internet2 Using ATM--Chris Kyriakakis, Sherali Zeadally, and Tomlinson Holman, Integrated Media Systems Center, University of Southern California, Los Angeles, CA, USA

Developing Real-Time Motorola's DSP5636x Audio Systems Using the PC Parallel Port Interface--Chuan-Chang Hung, Motorola, Austin, TX, USA; and Tom Schaeffer, Kevin Perreault, P&E Microcomputer Systems, Boston, MA, USA

Implementation of the Dolby Digital Consumer Encoder on the DSP56362--Barbara Johnson and Mithra Weerakoon, Motorola, Austin, TX, USA.

D: ROOM ACOUSTICS
Friday, September 24
2:00 PM

Chair: James A. Angus, University of York, York, UK

Compensation of Room Acoustic Transfer Functions Affected by the Change of Room Temperature--
Shoji Kajita, Kazuya Takeda, and Fumitada Itakura, Nagoya University, Nagoya, Japan

The Complex Loudspeaker-Room Interface, Some Further Insight--Peter Mapp, Peter Mapp Associates, Colchester, Essex, UK; and Henry Azima and Vladimir Gontcharov, New Transducers Ltd., Huntingdon, Cambs., UK

The Effect of Diffusers on Frequency Dependent Room Mode Decay--James A. S. Angus, University of York, York, UK

A Novel Design Approach to Sound Distribution in a Reflective Environment--Peter Mapp, Peter Mapp Associates, Colchester, Essex, UK

Two-Dimensional Binary Amplitude Diffusers--James A. S. Angus, University of York, York, UK

Optimized Planar and Curved Diffsorbors--Trevor Cox, University of Salford, Salford, UK; and Peter D'Antonio, RPG Diffusor Systems Inc., Upper Marboro, MD, USA

E: SELECTED SUBJECTS IN
AUDIO (POSTERS)
Friday, September 24
2:00 PM

Chair: Gregory Berchin, Telex/EVI Audio, Bloomington, MN, USA

Vocal Interfaces to Musical Material--Mark Kahrs, CAIP Center, Rutgers University, Piscataway, NJ, USA

Alarms for the Hearing Impaired--John Vanderkooy, University of Waterloo, Waterloo, Ontario, Canada

Correlation of Pseudo Random Noise to Measure Time Delay as a Function of Frequency--Dennis Griffiths, AudioControl Industrial, Mountlake Terrace, WA, USA

A New Approach to Waveguides--Mario Di Cola, Davide Doldi, and Marta Furlan, Politecnico di Milano, Milan, Italy

Noninteger-Based Diffusers--James A. S. Angus, University of York, York, UK

Distributed Mode Loudspeaker Polar Patterns--
James A. S. Angus, University of York, York, UK

Toward Development of Multimedia Animations of Sound Mechanics for General Study of Sound--Thomas A. Haines, University of Cincinnati, College-Conservatory of Music, Cincinnati, OH, USA

Measurement of Large-Signal Parameters of Electrodynamic Transducer--Wolfgang Klippel, KLIPPEL GmbH, Dresden, Germany

Toward Development of a Multichannel Audio Drama: A Case Study--Thomas Haines, University of Cincinnati, College, Conservatory of Music/Electronic Media Division, Cincinnati, OH, USA

Perfect Reconstruction Digital Crossover Exhibiting Optimum Time Domain Transient Response in all Bands--Gregory Berchin, Telex Communications, Inc., Bloomington, MN, USA