DocumentCode
3143666
Title
A model based excursion protection algorithm for loudspeakers
Author
Luo, Chenchi ; McClellan, James ; Borkar, Milind ; Redfern, Arthur
Author_Institution
Center for Signal & Image Process., Georgia Inst. of Technol., Atlanta, GA, USA
fYear
2012
fDate
25-30 March 2012
Firstpage
233
Lastpage
236
Abstract
Loudspeakers in portable consumer electronic devices are frequently small in size. Due to the low sensitivity of their drive units, they are pushed to their power handling and mechanical limits by powerful amplifiers in an attempt to reach high volumes. To protect against excessive diaphragm excursions, a model based algorithm is proposed which regulates the voltage input signal to the loudspeaker while minimizing unnecessary system interventions.
Keywords
amplifiers; loudspeakers; portable instruments; excessive diaphragm excursions; excursion protection algorithm; loudspeakers; mechanical limits; portable consumer electronic devices; power handling; powerful amplifiers; Coils; Loudspeakers; Magnetic circuits; Mathematical model; Prediction algorithms; Predictive models; Transfer functions; excursion protection; loudspeakers;
fLanguage
English
Publisher
ieee
Conference_Titel
Acoustics, Speech and Signal Processing (ICASSP), 2012 IEEE International Conference on
Conference_Location
Kyoto
ISSN
1520-6149
Print_ISBN
978-1-4673-0045-2
Electronic_ISBN
1520-6149
Type
conf
DOI
10.1109/ICASSP.2012.6287860
Filename
6287860
Link To Document