Evaluation of Audio Test Methods and Measurements for End-of-the-Line Automotive Loudspeaker Quality Control

Temme S, Dobos V. Evaluation of Audio Test Methods and Measurements for End-of-the-Line Automotive Loudspeaker Quality Control. In: AES Convention 142. Audio Engineering Society; 2017. Paper 9715. Available from: https://aes.org/publications/elibrary-page/?id=18593

@inproceedings{Temme2017_18593,
  author = {Temme, Steve and Dobos, Viktor},
  title = {{Evaluation of Audio Test Methods and Measurements for End-of-the-Line Automotive Loudspeaker Quality Control}},
  booktitle = {AES Convention 142},
  note = {Paper 9715},
  year = {2017},
  month = may,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=18593}
}

TY  - CPAPER
TI  - Evaluation of Audio Test Methods and Measurements for End-of-the-Line Automotive Loudspeaker Quality Control
AU  - Temme, Steve
AU  - Dobos, Viktor
T2  - AES Convention 142
M1  - Paper 9715
PY  - 2017
DA  - 2017/05/06
UR  - https://aes.org/publications/elibrary-page/?id=18593
PB  - Audio Engineering Society
LA  - en
AB  - In order to minimize costly warranty repairs, automotive manufacturers impose tight specifications and quality/reliability requirements on their part suppliers. At the same time, they also require low prices. This makes it important for automotive manufacturers to work with parts suppliers to define reasonable specifications and tolerances, and to understand both how the parts suppliers are testing and also how to carry out their own measurements for incoming QC purposes. Specifying and testing automotive loudspeakers can be very tricky since loudspeakers are inherently nonlinear, time-variant and effected by their working conditions and environment. This paper examines the loudspeaker characteristics that can be measured and discusses common pitfalls and how to avoid them on a loudspeaker production line. Several different audio test methods and measurements for end-of-the-line automotive speaker quality control are evaluated, and the most relevant ones identified. Speed, statistics, and full traceability are also discussed.
ER  -