Session N, 8:00 am Amplifiers and Attenuators Chairman: Dennis Bohn, Rane Corporation, Mukilteo, WA, USA Computer-Controlled Attenuator for Subjective Evaluation Systems -- Bradley C. Wood, Consultant, Harman International Industries Inc., Northridge, CA, USA Novel Feedback Topology Obviates the Need for High Loop Gain -- Johannes M. Didden, Consultant, Heerlen, The Netherlands A Simple Approximation for the Distortion in a Pulse-Width-Modulation Digital-to-Analog Converter -- Alan Hewitt, University of Portsmouth, Department of Electrical and Electronic Engineering, Portsmouth, Hants., UK Characteristics of Demodulation Filters for Switching Power Amplifiers -- John P. DeCelles, National Semiconductor Corporation, Santa Clara, CA, USA Audio Amplifier Efficiency and Balanced Current Design -- A New Paradigm -- R. David McLaughlin, Gerald Stanley, and James Wordinger, Crown International, Elkhart, IN, USA A High-Efficiency Low-Distortion Audio Power Amplifier -- R. A. R. van der Zee, MESA Research Institute, University of Twente, Enschede, The Netherlands; and A. J. M. van Tuijl, Philips Semiconductors, Nijmegen, The Netherlands Pulse Edge Delay Error Correction (PEDEC) -- A Novel Power Stage Error-Correction Principle for Power Digital-Analog Conversion -- Karsten Nielsen, Technical University of Denmark, Department of Automation, Lyngby, Denmark, and Bang & Olufsen A/S, Struer, Denmark A Sigma�Delta Digital Audio Power Amplifier -- Design and FPGA Implementation -- A. J. Magrath, I. G. Clark, and M. B. Sandler, King's College London, Department of Electronic and Electrical Engineering, Strand, London, UK
Session O, 2:00 pm
Chairman: Ronald Aarts, Philips Research Laboratories, Eindhoven, The Netherlands Fundamentals of Modern Audio Measurement -- Richard C. Cabot, Audio Precision, Inc., Beaverton, OR, USA (Invited) Software Implementation of an MLS Analyzer with Tools for Convolution, Auralization, and Inverse Filtering -- Angelo Farina and Fabrizio Righini, Universit� di Parma, Department of Industrial Engineering, Parma, Italy Comparison of Audio System Nonlinear Performance in Volterra Space -- Martin Reed and Malcolm O. J. Hawksford, University of Essex, Department of Electronic Systems Engineering, Colchester, Essex, UK A New Method for Analyzing the Effects of Jitter in Digital Audio Systems -- James A. S. Angus, University of York, Department of Electronics, York, UK Loudspeakers: What Measurements Can Tell Us -- and What They Can't Tell Us -- John Atkinson, Stereophile Magazine, Santa Fe, NM, USA A New Approach to Acoustic Investigation of Organ Sound -- Gustaw Budzynski and Marek Szczerba, Technical University of Gdansk, Sound Engineering Department, Gdansk, Poland
Session P, 2:00 pm
Chairman: Christopher Hicks, Cambridge University, Churchill College, Cambridge, UK The Objective Basis for the Production of High-Quality Transfers from Pre-1925 Sound Recordings -- George Brock-Nannestad, The School of Conservation of the Royal Danish Academy of Fine Arts, Copenhagen, Denmark Non-Linear Spectral Subtraction with Combined Smoothing Strategies for Broadband Noise Reduction -- Robert Hoeldrich and Markus Lorber, Institute of Electronic Music, Graz, Austria Applying the Concept of Operational Conservation Theory to Problems of Audio Restoration and Archiving Practice -- George Brock-Nannestad, The School of Conservation of the Royal Danish Academy of Fine Arts, Copenhagen, Denmark Restoration of Musical Signals Using Wavelet Transform and Modified Wiener Filtering -- Alvaro Tuzman, Universidad de la Republica, Montevideo, Uruguay, and University of Minnesota; and Rossana Gadea, Ricardo Laureiro, and Fernando Vilaro, University of Minnesota, Department of Electrical Engineering, Minneapolis, MN, USA Audio Signal Processing Based on an Adaptive Time-Frequency Distribution -- Matthew V. Kotvis, University of Miami, Coral Gables, FL, USA Traceability, Reproducibility, Compatibility -- Quality Control Elements in Audio Information Transfer -- George Brock-Nannestad, The School of Conservation of the Royal Danish Academy of Fine Arts, Copenhagen, Denmark Reconstruction of Early Glenn Gould Broadcasts: From Acetate to Compact Disc -- Peter G. Cook, Canadian Broadcasting Corporation, Toronto, Ontario, Canada TECHNICAL PAPERS SESSIONS
(C) 2000, Audio Engineering Society, Inc.
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