NEW YORK—Advancements in technology and methods are at the very core of the Audio Engineering Society's efforts, and the 143rd AES International Convention's Product Development Track will provide a detailed look at the latest innovations in audio product and software development, and the process of bringing those products to market. “The events in this Track have a practical, 'real-world' focus, and anyone involved in audio product development will gain new insight and understanding of the critical elements involved,” notes Scott Leslie, AES Product Development Track Chair. “Our Product Development Track spans the entire development process from Concept to Production. Our target audience is anyone who is responsible for product success.”
The Product Development Track events open with “Parallel Development: Speed Time to Market,” led by Scott Leslie. In this seminar Leslie will address the ever-growing time-to-market pressures facing audio manufacturers today. Leslie will lead a discussion on how parallel developments can be an effective strategy in speeding time-to-market.
The second Product Track Development event, “Headphones, Headsets and Earphones: Electroacoustic Design and Verification” will review basic electroacoustic design concepts, including gain, sensitivity, sound field correction, linear and nonlinear response and the use of test signals for earworn devices. Presenter Christopher Struck of CJS Labs will cover these and more advanced considerations—such as the concept of insertion gain, equivalent volume and acoustic impedance—while using ear simulators and test mannequins.
Day two leads off with “What Happens in a Patent Lawsuit?” which will cover what to expect when you're involved in one—and how to win. “New Amplifier Requirements for Speaker Protection and Control” will address the growing demand for active speaker protection and the design challenges as audio amplifiers transform more and more into “smart” products with integral sensing capabilities, digital interfaces and internal signal processing. Day two closes with “Loudspeaker and Amplifier Power Ratings: Is It Time to Start Over?”
Day three's “Modern Hybrid Audio Coding” will present the current state of development in overcoming traditional limits for compression efficiency in audio coding by using semi-parametric, or hybrid, audio signal coding. Audio examples will be used to demonstrate the relevant technologies. “Agile Audio Product Development” will cover the most recent advances in design tools for audio product developers and walk attendees through a typical product development cycle. The next seminar, “Reusing and Prototyping to Accelerate Innovation in Audio Signal Processing,” will explain how designers can re-use exciting design assets, code, and IP in bringing complex products like voice-activated devices to market more quickly. Rounding out day three, “Front End Audio Processing for Voice-Enabled Products” will examine processing techniques like beam forming, echo cancellation, direction of arrival estimation and noise reduction, which are necessary for effective voice recognition in consumer and automotive audio products.
“Is the Anechoic Chamber Obsolete?” Day four asks the question and explains that, although using an anechoic chamber is still an effective way to measure loudspeakers, there are pitfalls that must be avoided, and that a new method of holographic measurements based on near-field scanning can provide highly accurate reference data. AES New York's 2017 Product Development Track events will close out with “FIR-Based Beam Shaping—Revolution or Evolution?” This sessions will examine the next advance in sound field control: horizontal arrays and modular planar systems with steering capabilities, using horizontal and 3D coverage control via FIR filter optimization.
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