| Paper: | AE-P1.3 | ||
| Session: | Loudspeaker and Microphone Array Signal Processing | ||
| Time: | Wednesday, May 19, 13:00 - 15:00 | ||
| Presentation: | Poster | ||
| Topic: | Audio and Electroacoustics: Loudspeaker and Microphone Array Signal Processing | ||
| Title: | MODELING AND REAL-TIME AURALIZATION OF ELECTRODYNAMIC LOUDSPEAKER NON-LINEARITIES | ||
| Authors: | Marcelo Soria-Rodríguez; Tampere University of Technology | ||
| Nick Zacharov; Nokia Research Center | |||
| Moncef Gabbouj; Tampere University of Technology | |||
| Matti Hämäläinen; Nokia Research Center | |||
| Kalle Koivuniemi; Nokia Research Center | |||
| Abstract: | The non-linear modeling of an electrodynamic speaker is studied and its use for real-time auralization of an arbitrary sound source is considered. First, the dominant observed non-linear behavior is presented. Then, a black-box approach to the system identification task is used seeking a generalized procedure applicable to any loudspeaker. In this respect, a separate identification scheme of the linear and nonlinear characteristics of the loudspeaker is proposed. Some physical insight is used later in the model, which causes the loss of some of the desired generality. The model quality is finally assessed through subjective listening tests, and the results are presented. | ||
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