VAudio precision demonstrates A2B audio test concept

7th September 2017
Posted By : Anna Flockett
VAudio precision demonstrates A2B audio test concept

Audio Precision has announced a technology demonstration of multichannel audio bus testing at the upcoming AES 2017 International Conference on Automotive Audio. Conducted in cooperation with Mentor Automotive, the test scenario will centre on the digital audio bus technology developed by Analog Devices, Automotive Audio Bus (A2B), and the concept system will incorporate AP’s eight-channel APx585 audio analyser and Mentor’s A2B Analyser platform.

Digital audio bus technology
Capable of distributing audio and control data together with clock and power over a single, unshielded, low cost twisted-pair wire, A2B from Analog Devices significantly reduces the weight of existing cable harnesses (by upwards of 75% in key applications), resulting in improved vehicle fuel efficiency while delivering high-fidelity audio.

A2B also supports the connection of multiple remote sensors for different applications - voice recognition, active noise cancellation, in-car communications - in a daisy-chain sequence, significantly reducing redundant cable runs.

Closed-loop, multichannel A2B audio test
For the AES Automotive Conference, Audio Precision will demonstrate a concept for a complete, ‘off-the-shelf’ A2B test system using an eight-channel APx585 audio analyser, APx500 audio measurement software, a Mentor A2B Analyser System and software.

Within the concept system, the Mentor analyser platform provides straightforward A2B network configuration and simulation, as well as flexible, high-fidelity audio routing. The APx585 delivers comprehensive, multichannel audio measurement analysis and offers a wide range of interface options. ASIO connectivity ties the two analyser systems together, enabling a true closed-loop test system.

“We’re excited to be working with Mentor Automotive and thrilled for the potential A2B audio test capabilities this concept system demonstrates,” stated Dave Schmoldt, Audio Precision CEO. “And helping engineers - in this case vehicle, automotive subsystem, and component designers - as they endeavour to develop and verify the performance of next-generation audio systems, is at the core of what we do.”

Mentor Automotive is a division of Mentor, a Siemens business. Mentor Automotive is a long-established automotive systems supplier, engaged with nearly every leading OEM and Tier 1 supplier, and providing design tools and embedded software in the areas of connectivity, electrification, autonomous drive and vehicle architecture.

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