AES Milan 2018
Engineering Brief EB02
EB02 - Applications & Audio Education
Thursday, May 24, 14:15 — 16:00 (Scala 2)
Nyssim Lefford, Luleå University of Technology - Luleå, Sweden
EB02-1 New Packet Routing for 5G to Replace TCP/IP—John Grant, Nine Tiles - Cambridge, UK
While most of the attention has been focused on new radio and getting more bits over the wireless interface, operators also need 5G to have new packet routing technology that will make better use of those bits and support new services including low-latency live media. The new technology is being developed in ETSI ISG NGP, which the author chairs, and is expected to be standardized by 2020. This paper outlines the likely main features of the new technology, which is partly developed from AES47 and AES51, and discusses how they will make it more appropriate than IP for audio networking.
Engineering Brief 414 (Download now)
EB02-2 Miniaturized Noise Generation System—A Simulation of a Simulation—Jan Banas, Intel Technology Poland - Gdansk, Poland; Przemek Maziewski, Intel Technology Poland - Gdansk, Poland; Sebastian Rosenkiewicz, Intel Technology Poland - Gdansk, Poland
In the speech recognition industry, there is an everlasting need for evaluation of products in environments imitating real use cases. A wide-spread solution is to build a setup compliant with ETSI EG 202 396-1 standard, which defines a unified artificial laboratory environment to simulate real use scenarios of products to be tested. For space and cost reduction, a method is being developed to miniaturize the standard setup and simulate its behavior in a soundproof enclosure. In order to achieve high fidelity a number of spectral and temporal qualities of sound are measured in a laboratory and replicated in a box. The performance is evaluated using metrics specific to speech recognition.
Engineering Brief 415 (Download now)
EB02-3 FXive: A Web Platform for Procedural Sound Synthesis—Parham Bahadoran, Queen Mary University London - London, UK; FXive.com - London, UK; Adan Benito, Queen Mary University London - London, UK; FXive.com - London, UK; Thomas Vassallo, Queen Mary University London - London, UK; Joshua D. Reiss, Queen Mary University of London - London, UK
FXive is a real-time sound effect synthesis framework in the browser. The system is comprised of a library of synthesis models, audio effects, post-processing tools, temporal, and spatial placement functionality for the user to create the scene from scratch. The real-time nature allows the user to manipulate multiple parameters to shape the sound at the point of creation. Semantic descriptors are mapped to low level parameters in order to provide an intuitive means of user manipulation. Post-processing features allow for the auditory, temporal, and spatial manipulation of these individual sound effects.
Engineering Brief 416 (Download now)
EB02-4 Auto-EQ: Can Algorithms Replace a Sound Engineer?—Daniil Sinev, ARKAMYS - Paris, France; Le Mans University - Le Mans, France; Guillaume Rossi-Ferrari, ARKAMYS - Paris, France
This brief’s aim is to present a work in progress on an automatic equalization algorithm. The algorithm’s particular design, based on a parametric equalizer rather than inverse filtering, presents certain advantages as well as certain challenges. Being conceived and developed together with sound engineers, it is meant to mimic human decisions in filter choices. This necessitates a careful analysis of a sound engineer’s workflow and a search for algorithmic solutions that correspond to decisions based on listening, experience and personal preference.
Engineering Brief 417 (Download now)
EB02-5 Challenging Changes for Live NGA Immersive Audio Production—Peter Poers, Junger Audio GmbH - Berlin, Germany
The world of broadcast audio is on the verge of a major revolution. Numerous "3D Immersive" formats are developing and will find their way into the mainstream of broadcast production and distribution in the near future. Along with Immersive Audio another category comes into game – Object Based Audio (OBA). All together it describes the Next Generation Audio formats - NGA. What does this mean and what challenge we need to fight with here? OBA will give the end user the option to personalize their experience by selecting personalized audio mixes. In object based audio, an "object" is essentially an audio stream with accompanying descriptive metadata. One of the major challenges for the production side of the industry will be to start OBA production. This means completely rethinking how we perform the final mix because, with OBA, it will be performed at home by the viewer rather than by a mixer in a post-production facility. What does this all mean for the broadcaster? A complete re-build of existing facilities and a total re-think about the audio processing equipment required for outside broadcast vehicles? Well, if we get it right, there will be some changes to overall workflow and hardware. And working with metadata for live streams and in files will become a major challenge. There will be new technical tools and new standards that will help to reach this new level of requirements. Some ideas and facts will be presented.
Engineering Brief 418 (Download now)
EB02-6 Mutebook.me—Interactive Online Tools for Teaching Music Technology—Thilo Schaller, SUNY Buffalo State - Buffalo, NY, USA; Jan Burle, School of Creative and Performing Arts, University of Calgary - Calgary, AB, Canada
Mutebook is a project that aims to help audio arts students comprehend scientific concepts related to music technology, such as basic mathematics, fundamentals of acoustics, and digital audio theory. By using online interactive course material with visual and aural feedback, students of various audio arts disciplines can intuitively explore and understand relevant scientific concepts. Mutebook was in part funded by the Innovative Instruction Technology Grant (IITG) of the State University of New York (SUNY), and its first phase—i.e., the creation of an initial collection of interactive lecture notes with integrated applets—will be completed in May 2018.
Engineering Brief 419 (Download now)
EB02-7 CAE Support to Woofer Installation in a Car—Andrzej Pietrzyk, Volvo Car Corporation - Torslanda, Sweden
CAE support to the development of the audio system from an automotive OEM perspective is discussed, on the example of the development of the details of installation of a door woofer. For this application a loudspeaker model driven with electric voltage has to be integrated in the vibro-acoustic simulation. An example of an implementation of such a model is discussed and the accuracy of simulations is presented for the case of a woofer in free hanging door. It is further discussed in car models with different trim levels, from plane metal body with trimmed closures to fully trimmed body. Finally, the results obtained in a car model, with different variants of installation details of the woofer are presented and discussed.
Engineering Brief 420 (Download now)