TECHNICAL PAPERS SESSIONS Tuesday, May 18th Sessions P13 - P16 Session P13 09:00 ­ 13:00 h AUDIO ELECTRONICS Chairman: Peter Eastty, Sony Europe, Oxford, UK P13-1 Modeling Power Tubes and their Interaction with Output Transformers ­ Menno van der Veen, ir.buro, Vanderveen Zwolle, The Netherlands P13-2 Test Signals for Measuring the Efficiency of Audio Amplifiers ­ Ronan van der Zee, MESA Research Institute, University of Twente, Enschede, The Netherlands, A.J.M. van Tuijl, Philips Semiconductors, Nijmegen, The Netherlands P13-3 Attack and Release Time Constants in RMS-Based Feedback Compressors ­ Fred Floru, THAT Corporation, Marlborough, USA

P13-4 The 25 Essential Development Steps of Analog Magnetic Technology ­ Heinz H.K. Thiele, Schwarzenbek, Germany P13-5 Digital and Analog Audio Transmission for a Studio and Theater Complex - Planning, Installation and Measurements ­ Ernst-Jo. Völker, Inst. f. Akustik und Bauphysik, Oberursel, Germany P13-6 Performance of an All-Digital Power Amplification System ­ Lars Risbo, Thomas Morch, Toccata Technology ApS, Copenhagen, Denmark P13-7 A Novel High Efficiency and Wide Bandwidth Power Amplifier by Analog Power Amplifier and High Dynamic Switching Power Supplies ­ Jae Hoon Jeong, Seoul Telecommunications O&M Research Center, Seoul, Korea P13-8 Comparing Nonlinear with Linear Control Methods for Error Correction in Switching Audio Amplifier Output Stages ­ Michael A. E. Andersen, Thomas Taul, Department of Applied Electronics, Technical University of Denmark, Lyngby, Denmark, Karsten Nielsen, Bang & Olufsen A/S Struer, Denmark Session P14 09:00 ­ 12:30 h PSYCHOACOUSTICS Chairman: Søren Bech, Bang & Olufsen A/S Struer, Denmark P14-1 The Quality of Speech Transmission in a Background of Music and Effects in Audio-Visual Programs ­ Nina Dvorko, Kamila Nizamova, Institute for Cinema and Television, St. Petersburg, Russia P14-2 Listener Training and Repeatability for Automobiles ­ Roger E. Shively, William N. House, Harman Motive Inc., Martinsville, USA P14-3 Pitch Perception of Frequency-Modulated Tones ­ Maurycy J. Kin, Janusz Renowski, Institute of Telecommunications and Acoustics, Wroclaw, Poland P14-4 The Measurement of Personal Preferences by Repertory Grid Technique ­ Annie D. Kjeldsen, A.D.K.-Consult, Copenhagen, Denmark P14-5 Stereophonic Localization in the Presence of Boundary Reflections, Comparing Specular and Diffuse Acoustic Radiators ­ Neil Harris, Sheila Flanagan, NXT, Huntingdon, UK, Malcolm O. J. Hawksford, University of Essex, Colchester, UK. P14-6 Diffuse Field Distributed-Mode Radiators and their Associated Early Reflections ­ Henry Azima, NXT, Huntingdon, UK, Peter Mapp, Acoustic Consultant, Colchester, UK. P14-7 Measurement of Small Impairments of Perceptual Audio Coders Using a 3-Facet Rasch Model ­ David Moulton and Mark Moulton, Moulton Laboratories, Groton MA, USA. Session P15 13:30 ­ 17:00 h MEASUREMENT AND INSTRUMENTATION Chairman: W. Druyvesteyn, Philips Research Labs., Eindhoven, The Netherlands P15-1 A new Sound Intensity Probe; Comparison to the Bruel & Kjaer p-p Probe ­ W.F. Druyvesteyn, Philips Research Labs., Eindhoven, The Netherlands, H.E. de Bree, MESA Research Institute, University of Twente, Enschede, The Netherlands P15-2 A new Method for the Evaluation of Audio Amplifier Nonlinearities ­ John Valacas, S. Spyridoulias, C. Lioliousis, Univ. of Athens, Physics Dept., Applied Physics Div. El. Lab., Athens, Greece P15-3 Near-Field Acoustic Measurements at High Amplitudes ­ Jan Abildgaard Pedersen, Bang & Olufsen, Struer, Denmark, John Vanderkooy, Audio Research Group, University of Waterloo, Waterloo, Canada P15-4 A new Method for Analysing the Effects of end-to-end Jitter in Digital Audio Systems ­ James A S Angus, Department of Electronics, University of York, York, UK P15-5 Electromagnetic Compatibility-Design and Measurements at ZKM, Karlsruhe ­ Wolfgang Teuber, Ernst-Jo. Völker, Oberursel, Germany P15-6 Array Technology for Discrimination between Specular and Non-Specular Reflections in Enclosed Spaces ­ Jan Baan, Diemer de Vries, Delft University of Technology, Delft, The Netherlands P15-7 Automatic Measurement System for Car Audio Applications ­ Angelo Farina, Universit di Parma, Parma, Italy, Emanuele Ugolotti, ASK Automotive Ind., Reggio Emilia, Italy Session P16 13:30 ­ 17:00 h QUALITY EVALUATION OF SOUND SYSTEMS Chairman: Sean Olive, R&D Group Harman International, Northridge, CA, USA P16-1 Obtaining Accurate Responses in Directional Listening Tests ­ Michael J. Evans, University of Reading, Reading, UK P16-2 Analyzing Virtual Sound Source Attributes using a Binaural Auditory Model ­ Pulkki Ville, Karjalainen Matti, Huopaniemi Jyri, Helsinki University of Technology, Helsinki, Finland P16-3 Audibility of Nonlinear Distortion in Loudspeakers ­ M.A. Boer, AEMICS, Hengelo, The Netherlands, A.G.J. Nijmeijer, AEMICS, Hengelo, The Netherlands, H. Schurer, C.H. Slump, O.E. Hermann, University of Twente, Dept. of Electrical Eng., Enschede, The Netherlands, W.F. Druyvesteyn, Philips Research Labs, Eindhoven, The Netherlands P16-4 Relevance of Measurements on Audio Codecs ­ Serge de Jaham, AETA, Clamart, France P16-5 Measurements of Logatom Intelligibility in the Digital Chains with Delta Modulation Coding ­ Kazimierz Basciuk, Stefan Brachmanski, Wojciech Majewski, Wojciech Myslecki, Wroclaw University of Technology, Wroclaw, Poland P16-6 Quality Assurance Tests of MPEG Encoders for a Digital Broadcasting System (Part I) ­ A Method for Subjective Assessments of Very-Low Bit-Rate Audio ­ Michael Keyhl, Christian Schmidmer, Opticom, Erlangen, Germany, Thomas Sporer, University of Erlangen-Nürnberg, Germany, Robert Peterson, WorldSpace Management Corp., Washington DC, USA P16-7 Quality Assurance Tests of MPEG Encoders for a Digital Broadcasting System (Part II) ­ Minimizing Subjective Test Efforts by Perceptual Measurements ­ Michael Keyhl, Christian Schmidmer, Opticom, Erlangen, Germany, Thomas Sporer, University of Erlangen-Nürnberg, Germany, Robert Peterson, WorldSpace Management Corp., Washington DC, USA 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.