A New Nonstationary Test Procedure for Improved Loudspeaker Fault Detection

Davy M, Doncarli C. A New Nonstationary Test Procedure for Improved Loudspeaker Fault Detection. J Audio Eng Soc. 2002;50(6):458-469. Available from: https://aes.org/publications/elibrary-page/?id=11072

@article{Davy2002_11072,
  author = {Davy, Manuel and Doncarli, Christian},
  title = {{A New Nonstationary Test Procedure for Improved Loudspeaker Fault Detection}},
  journal = {Journal of the Audio Engineering Society},
  volume = {50},
  number = {6},
  pages = {458--469},
  year = {2002},
  month = jun,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=11072}
}

TY  - JOUR
TI  - A New Nonstationary Test Procedure for Improved Loudspeaker Fault Detection
AU  - Davy, Manuel
AU  - Doncarli, Christian
T2  - Journal of the Audio Engineering Society
J2  - J. Audio Eng. Soc.
VL  - 50
IS  - 6
SP  - 458
EP  - 469
PY  - 2002
DA  - 2002/06/06
UR  - https://aes.org/publications/elibrary-page/?id=11072
PB  - Audio Engineering Society
LA  - en
AB  - Loudspeaker fault detection is a difficult industrial problem for both manufacturing fault detection and maintenance. A new brief (<100-ms), nonstationary test signal aimed at detecting acoustic loudspeaker faults is presented. This signal is composed of four simultaneous chirp components and contains all the frequencies in the loudspeaker frequency range. The signal processing technique used to process the recorded loudspeaker responses is based on optimized time frequency representations (TFRs). The TFR corresponding to a given loudspeaker is compared to a reference TFR using a time frequency distance measure. The efficiency of the proposed test procedure, as well as its practical interest, are shown with real data.
ER  -