Test & Measurement

Duo collaborate to offer A2B audio test

14th December 2017
Mick Elliott
0

A multichannel audio performance testing of A2B systems and components has been announced by Audio Precision, in collaboration with Mentor. A2B (Automotive Audio Bus) is the digital audio bus technology developed by Analog Devices 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 significantly 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 in early-stage development, 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 analysers and software, and Mentor’s A2B Analyser System and software, developers can easily create a complete, closed-loop multichannel A2B audio test system.

Within this test system, the Mentor analyser platform provides straightforward A2B network configuration and simulation, as well as flexible routing, and high-fidelity audio.

The APx audio analyser delivers comprehensive, multichannel audio measurement analysis and offers a wide range of interface options, including analogue, 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 cancelling 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, A2B into the design of their vehicles, sub-systems, and components.”

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