Standardized Automotive Audio Measurements

In 2023, the Audio Engineering Society (AES) Technical Committee on Automotive Audio proposed a standardized measurement configuration for in-car audio systems. This article builds on that work, using the same configuration to make a more comprehensive suite of measurements, including seat-to-seat spectral uniformity, THD, advanced impulsive distortion, as well as creating a foundation for a much wider range of in-car measurements.

GRAS Sound & Vibration, an Axiometrix Solutions company, announced the release of the GRAS PR0003 and PR0004 purpose-built microphone arrays designed to simplify in-cabin acoustic testing. With a robust structure, precise positioning tools, and two field-proven configurations, the new arrays help reduce setup time and improve measurement repeatability for accurate sound field mapping, sound tuning, NVH benchmarking, and more.

Read the extended Show Report of the 5th International AES Conference on Automotive Audio. Santiago Rayes (GRAS Acoustics) explains the latest advances in Measurement Microphones for Automotive Testing. Reinhold Lutz writes about Eliminating Speaker Doppler Distortion, René Christensen shares an exercise of Double Bass Arrays, and Joerg Panzer (R&D Team) and Patrick Macey (PACSYS) share their Experimental and Theoretical Investigation of an Unusually Shaped Horn. Jan Didden reviews Bob Cordell’s latest book, “Designing Audio Circuits and Systems”.

The Axiometrix Solutions brands Audio Precision, GRAS Sound & Vibration, and imc Test & Measurement are hosting an exclusive seminar Thursday, September 12, 2024, at the British Motor Museum in Gaydon, Warwickshire, UK. There will be a number of workshops and presentations featuring live demonstrations that highlight Axiometrix Solutions brands' latest developments in vehicle testing technology.