Audio prototyping system is leveraging A2B bus

September 08, 2020 //By Christoph Hammerschmidt
Audio system is leveraging A2B audio bus
Developed for automotive use, the A2B data bus excels through its economical wiring requirements – not only in the car but also beyond. Now A2B inventor Analog Devices (ADI) has introduced a prototyping system that leverages this efficient data bus. With this system, the A2B bus could well be established beyond the car.

The system features the SHARC Audio Module (SAM) for the creation of digital audio devices, including audio FX processors, multi-channel audio systems, MIDI synthesisers, and other DSP-based audio systems. SAM includes the dual-SHARC+ core ADSP-SC589 audio processor SoC (with an integrated Arm Cortex-A5 core). In addition to the main SHARC audio module board, the company offers daughter boards to provide added functionality to the main board and expand the audio system. The Audio Project Fin board mates directly to the main board, providing MIDI input/output as well as pushbuttons and potentiometers to modify audio effects. The A2B Amplifier Module features two high-efficiency Class-D amplifiers to output digital audio data received over the twisted-wire pair A2B bus from PDM microphones and/or serial TDM sources on the main board (or another connected A2B node).

This complete audio system delivers high-fidelity multichannel digital audio with low and deterministic latency to a fully synchronised distributed audio system. The system is ideal for fast prototyping, evaluation projects, demonstrations, and educational applications. It enables users to realise a shorter time to market with a “ready to go” prototype system that provides a comprehensive hardware and software solution.

More information:

Download documentation and order boards

Related articles:

Audio bus technology takes on MOST, Ethernet AVB

ADI rolls new generation of Audio Bus transceivers

A2B and Ethernet in Automotive Applications: What, When, and How

Digital system from ADI ensures peace and quiet in Hyundai cars


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