Robust Fir Filters for Wireless Low-Frequency Sound Zones
| Autor: | Mo Zhou, Martin Møller, Christian Sejer Pedersen, Jan Ostergaard |
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| Rok vydání: | 2023 |
| Zdroj: | Zhou, M, Møller, M, Pedersen, C S & Østergaard, J 2023, ROBUST FIR FILTERS FOR WIRELESS LOW-FREQUENCY SOUND ZONES . in IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) . Aalborg University |
| DOI: | 10.1109/icassp49357.2023.10095256 |
| Popis: | Low frequency personal sound zones can be created by controlling the sound pressure in separate spatially confined regions. The perfor- mance of a sound zone system using wireless communication may be degraded due to potential packet losses. In this paper, we propose robust FIR filters for low-frequency sound zone system by incorpo- rating information about the expected packet losses into the design. A simulation study with eight loudspeakers surrounding two control regions shows that the proposed filters can improve the contrast and the sound quality when packet losses occur, with only a slight degra- dation in performance even when there is no packet loss. With the proposed filters, it is possible to gain 2 dB higher contrast on average across the frequency range 20-200Hz relative to the original filters when packet loss rate is 5%. |
| Databáze: | OpenAIRE |
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