Measurement and Visualization of Loudspeaker Cone Vibration

Klippel W, Schlechter J. Measurement and Visualization of Loudspeaker Cone Vibration. In: AES Convention 121. Audio Engineering Society; 2006. Paper 6882. Available from: https://aes.org/publications/elibrary-page/?id=13716

@inproceedings{Klippel2006_13716,
  author = {Klippel, Wolfgang and Schlechter, Joachim},
  title = {{Measurement and Visualization of Loudspeaker Cone Vibration}},
  booktitle = {AES Convention 121},
  note = {Paper 6882},
  year = {2006},
  month = oct,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=13716}
}

TY  - CPAPER
TI  - Measurement and Visualization of Loudspeaker Cone Vibration
AU  - Klippel, Wolfgang
AU  - Schlechter, Joachim
T2  - AES Convention 121
M1  - Paper 6882
PY  - 2006
DA  - 2006/10/06
UR  - https://aes.org/publications/elibrary-page/?id=13716
PB  - Audio Engineering Society
LA  - en
AB  - Optical measurement of loudspeaker cone vibration (scanning vibrometry) can also be accomplished by using Laser triangulation technique which is a cost effective alternative to Doppler interferometry. Since triangulation sensors provide primarily displacement advanced signal processing is required to measure the break-up modes up to 20 kHz at sufficient signal to noise ratio. In addition to stroboscopic animation of the radiation pattern a new decomposition technique is presented for the visualization of the measured data. Radial and circular modes can be separated and the total vibration can be split into radiating and non-radiating vibration components. This kind of post-processing reveals critical vibration modes, simplifies the interpretation and gives indications for further improvements.
ER  -