Design and Evaluation of Accelerometer-Based Motional Feedback

Schneider H, Pranjic E, Agerkvist FT, Knott A, Andersen MAE. Design and Evaluation of Accelerometer-Based Motional Feedback. In: AES Convention 138. Audio Engineering Society; 2015. Paper 9293. Available from: https://aes.org/publications/elibrary-page/?id=17717

@inproceedings{Schneider2015_17717,
  author = {Schneider, Henrik and Pranjic, Emilio and Agerkvist, Finn T. and Knott, Arnold and Andersen, Michael A. E.},
  title = {{Design and Evaluation of Accelerometer-Based Motional Feedback}},
  booktitle = {AES Convention 138},
  note = {Paper 9293},
  year = {2015},
  month = may,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=17717}
}

TY  - CPAPER
TI  - Design and Evaluation of Accelerometer-Based Motional Feedback
AU  - Schneider, Henrik
AU  - Pranjic, Emilio
AU  - Agerkvist, Finn T.
AU  - Knott, Arnold
AU  - Andersen, Michael A. E.
T2  - AES Convention 138
M1  - Paper 9293
PY  - 2015
DA  - 2015/05/06
UR  - https://aes.org/publications/elibrary-page/?id=17717
PB  - Audio Engineering Society
LA  - en
AB  - The electro dynamic loudspeaker is often referred to as the weakest link in the audio chain due to low efficiency and high distortion levels at low frequencies and high diaphragm excursion. Compensating for loudspeaker non-linearities using feedback or feedforward methods can improve the distortion and enable radical design changes in the loudspeaker that can lead to efficiency improvements. In combination this has motivated a revisit of the accelerometer-based motional feedback technique. Experimental results on an 8-inch subwoofer show that the total harmonic distortion can be significantly reduced at low frequencies and large displacements.
ER  -