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Audio Precision enables Automotive Audio Bus test.

Audio Precision has announced support, in collaboration with Mentor, a Siemens business, for multichannel audio performance testing of A2B systems and components. A2B (Automotive Audio Bus) is the digital audio bus technology developed by Analog Devices Inc. to deliver high-quality audio over an unshielded, twisted-pair wire. By distributing audio and control data together with clock and power over a single wire, A2B reduces the weight of existing cable harnesses (by upwards of 75% in key applications), resulting in improved vehicle fuel efficiency.

From simulation and bench testing to validation and production testing, having a closed-loop system to measure audio and dynamic signal performance over an A2B network is an integral part of incorporating the bus technology into next-generation automotive systems. By combining the capabilities of Audio Precision's APx500 audio analyzers and software and Mentor's A2B Analyzer System and software, developers can create a complete, closed-loop multichannel A2B audio test system.

Within this test system, the Mentor analyzer platform provides straightforward [A.sup.2]B network configuration and simulation as well as flexible routing and high-fidelity audio. The APx audio analyzer delivers comprehensive, multichannel audio measurement analysis and offers a range of interface options, including analog, Bluetooth, digital serial (TDM), and PDM. Working as a complete system, these tools eliminate the effort required to develop, and support, in-house, custom test solutions.

"Audio technology--whether for hands-free calling, active noise canceling, or passenger entertainment--is an integral part of the automobile's continued evolution as a technology platform," stated Dave Schmoldt, Audio Precision CEO. "We're thrilled to support automotive developers as they seek to evaluate, and incorporate, [A.sup.2]B into the design of their vehicles, subsystems, and components."

Caption: Closed-loop multichannel A2B audio test system Courtesy of Audio Precision

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Title Annotation:INDUSTRY UPDATE
Publication:EE-Evaluation Engineering
Geographic Code:1USA
Date:Feb 1, 2018
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