| Autor: |
Zotter, Franz, Frank, Matthias, Bayer, Oliver, Pinkas, Julia, Müller, Gregor-Johannes |
| Předmět: |
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| Zdroj: |
INTER-NOISE & NOISE-CON Congress & Conference Proceedings; 2023, Vol. 265 Issue 2, p567-576, 10p |
| Abstrakt: |
Sounds to appear in directions between the loudspeakers will typically activate neighboring loudspeakers with the same signal when spatially rendered. The resulting interference causes frequency- and position-dependent cancellations in the superimposed sound field. Keeping the number of active loudspeakers uniformly small is often sufficient when unwanted cancellations are concealed by the few acoustic reflections of a studio environment. However, cancellations will remain a problem when synthesizing sound fields under anechoic or free-field conditions. Our contribution investigates short filters for amplitude decorrelation. The filters supply neighboring loudspeakers via frequency responses that are mostly mutually exclusive and hereby avoid cancellation in the superimposed soundfield, at the expense of a necessary spread that is required to obtain a spectrally balanced synthesis. We present listening experiments investigating in how far the proposed filter strategy is able to improve the spectral stability within a reasonable range of motion for a seated listener in the anechoic chamber. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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