AES 149TH CONVENTION PROGRAM OCTOBER 27–30, ONLINE AES 149th offered 80-plus hours of scheduled streaming content along with a slate of over 100 on-demand Paper, Engineering Brief sessions, as well as Workshops and Tutorials. The following is a listing of the events presented. Events without a date or time are On-Demand and will be available until November 30. Winner of the 149th AES Convention Best Paper Award 1 University of Parma, Parma, Italy Short-Range Rendering of Virtual Sources for Multichannel 2 ASK Industries Spa, Reggio Emilia, Italy Loudspeaker Setups—Juhani Paasonen, Ville Pulkki, 3 Aalto University, Espoo, Finland University of Southampton, Southapton, UK Convention Paper 10401 Convention Paper 10409 * * * * * * * * * * The AES has launched an opportunity to recognize student mem- SPECIAL EVENT OPENING CEREMONY bers who author technical papers. The Student Paper Award Com- Tuesday, October 27, 2020 petition is based on the preprint manuscripts accepted for the AES 10:30 am – 11:30 am convention. A number of student-authored papers were nominated. The excellent quality of the submissions has made the selection process Opening Remarks: • Executive Director Colleen Harper both challenging and exhilarating. • President Agnieszka Roginska The award-winning student paper will be honored during the Convention Chairs • Valerie Tyler Convention, and the student-authored manuscript will be consid- • Paul Womack ered for publication in a timely manner for the Journal of the Audio • Jonathan Wyner Engineering Society. Nominees for the Student Paper Award were required to meet the following qualifications: Welcome to AES’s Fall convention. Leadership and program chairs (a) The paper was accepted for presentation at the AES 149th will get you up to speed about what you can experience at this Convention. year’s show! (b) The first author was a student when the work was conducted The Audio Engineering Society has announced the winners of and the manuscript prepared. this year’s AES Awards for distinguished achievement in the field (c) The student author’s affiliation listed in the manuscript is an of audio and service to the Society, presented during the Opening accredited educational institution. Ceremonies of the AES Show Fall 2020 Convention on October 27. (d) The student will deliver the lecture or poster presentation at The awards were presented in the online ceremony by AES Pres- the Convention. ident Agnieszka Roginska on behalf of Awards Committee Chair * * * * * David Scheirman. The AES Show Opening Ceremonies are avail- able on-demand for AES Show attendees at AESShow.com. The Winner of the 149th AES Convention Awards presented at the AES Show Fall 2020 Convention i Student Paper Award is: nclude: Individual Listening Zone with Frequency-Dependent Trim AES Board of Governors Award, given to Members rendering of Measured Impulse Responses—Michele Ebri,1 exceptional service to the Audio Engineering Society, presented to: Nicolò Strozzi,2 Filippo Maria Fazi,3 Angelo Farina,1 • Jorge Azama, for chairing the highly successful AES Latin Amer- Luca Cattani2 ican Conference in September 2019 in Lima, Perú 1 Audio Engineering Society 149th Convention Program, 2020 Fall AES Honorary Membership Award, given to individuals of out- effects due to ageing and production variance as well as avoiding standing repute and eminence in the science of audio engineering mechanical and thermal overload and amplifier clipping. With or its allied arts, presented to: measured transducer and amplifier state variables and advanced modeling, the software achieves a sufficiently linear, time-invariant • Imogen Heap, for outstanding contributions to the world of mu- and thus predictable transfer function. This effectively merges the sic and technology amplifier, software, and transducer together into a single module, • Karrie Keyes, for her leadership in creating opportunities for needing only a digital input signal and a power supply for operation girls and women in the field of live sound and generating acoustical output. The tutorial gives an overview of the principles of such systems like adaptive nonlinear control and AES Fellowship Award, given to Members who have rendered con- overload protection but focuses on the practical impacts for trans- spicuous service or are recognized to have made a valuable con- ducer and amplifier design. Another focus is the consequence on tribution to the advancement in or dissemination of knowledge of applications like the design of small portable speakers and on the audio engineering, or in the promotion of its application in prac- interaction with other techniques like acoustic echo cancellation tice, presented to: and beam forming. • Peter Graham Craven, for decades of commitment to the growth and ongoing health of the professional audio industry and for un- • Listening Test Design A to Z flagging advocacy for, and dedication to, the Audio Engineering Presenters: Hyunkook Lee, University of Huddersfield, Society Huddersfield, UK • Jackie Green, for contributions to the sciences of microphone Dale Johnson, University of Huddersfield, design and manufacture, microphone performance measurement Huddersfield, UK and to microphone and wireless mic system education This workshop will first provide a comprehensive overview of the • Thomas Miller, for valuable contributions to the development of theoretical principles of various types of listening test methods miniature transducer design with practical examples in audio engineering context. It will cover • Umberto Zanghieri, for his work advancing the application of classic psychometric methods used for auditory threshold mea- audio design and digital interconnectivity and for extraordinary surement (e.g., mAFC, staircase procedure, ABX, etc.) as well as service to the Audio Engineering Society audio quality rating methods from ITU-R and ITU-T. Important fac- tors to consider for a successful listening test design will be pointed Distinguished Service Award, awarded in recognition of extraor- out. Some common misconceptions observed in subjective studies dinary service to the Society over a period of years, presented to: will also be discussed. Furthermore, an open-access universal lis- • Don Puluse, for his leadership of the AES Educational Founda- tening test design framework called HULTI-GEN version 2 will be tion as its longtime President, securing and awarding opportunity introduced. to deserving AES Student Members • Listening Tests—Understanding the Basic Concepts ACOUSTICS AND PSYCHOACOUSTICS Presenter: Jan Berg, Luleå University of Technology, Luleå, Sweden • Cross-Talk Cancellation Systems: Past, Present, and Future Listening tests are important tools for audio professionals as they Presenters: Filippo M. Fazi, University of Southampton assist our understanding of audio quality. There are numerous Eric Hamdan examples of tests, either formally recommended and widely used Jacob Hollebon, ISVR, University or specially devised for a single occasion. In order to understand listening tests and related methods, and also to potentially de- of Southampton sign and fully benefit from their results, some basic knowledge is required. This tutorial aims to address audio professionals with- When binaural audio is mentioned we often think about headphone out prior knowledge of listening test design and evaluation. The reproduction. The reproduction of binaural audio through two or fundamentals of what to ask for, how to do it, whom to engage as more loudspeakers is, however, an attractive and widely-accepted listeners, what sort of results that may be expected, and similar alternative. Such systems are referred to as Cross-Talk Cancellation issues will be covered. Systems (CTCS). In this tutorial we will cover the theoretical and practical fundamentals of CTCS, discussing their advantages and limitations. We will do that with the support of real-time practi- • Sparse Sampling and Measurement: Black Magic or Beautiful cal demonstrations. We will also introduce some more advanced Science? topics, like multichannel CTCS (i.e., loudspeaker arrays), multi-lis- Presenter: Jamie Angus-Whiteoak, University of Salford, tener CTCS (i.e., for cinemas), and position-adaptive CTCS (with Salford, UK listener tracking). Many measurement tasks such as speaker polar pattern measure- • Digital-Electro-Mechano-Acoustical Transducers ment, or PA coverage, require a large number of measurements to achieve accuracy due to the need to sample the measurement Presenters: Gregor Hohne, Klippel GmbH, Dresden, above the Nyquist/Shannon limit of two times the highest frequen- Germany cy. Sparse and Compressive Sampling allows one to sample the sig- Wolfgang Klippel, Klippel GmbH, Dresden, nal at apparently less than the Nyquist/Shannon limit of two times Germany the highest frequency, this without losing any signal fidelity or even lower with some loss of accuracy! How can this be: is it black Developments like ongoing miniaturization and increased avail- magic, or is it a beautiful science based method for achieving high ability of DSP Processing power are allowing software algorithms accuracy with a few limited measurements? The purpose of this to take over more and more tasks in loudspeaker systems that were presentation is to give a non-mathematical introduction to Sparse/ traditionally solved by classic transducer and amplifier design. This Compressive Sampling and measurement. We will examine the dif- can include compensation for significant distortion and undesired ference between “Sparse”