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Communication Dans Un Congrès Année : 2018

Unified Stochastic Reverberation Modeling

Résumé

In the field of room acoustics, it is well known that reverberation can be characterized statistically in a particular region of the time-frequency domain (after the transition time and above Schroeder’s frequency). Since the 1950s, various formulas have been established, focusing on particular aspects of reverberation: exponential decay over time, correlations between frequencies, correlations between sensors at each frequency, and time-frequency distribution. In this paper, we introduce a new stochastic reverberation model, that permits us to retrieve all these well-known results within a common mathematical framework. To the best of our knowledge, this is the first time that such a unification work is presented. The benefits are multiple: several new formulas generalizing the classical results are established, that jointly characterize the spatial, temporal and spectral properties of late reverberation.
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Dates et versions

hal-01795319 , version 1 (18-09-2018)

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  • HAL Id : hal-01795319 , version 1

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Roland Badeau. Unified Stochastic Reverberation Modeling. 26th European Signal Processing Conference (EUSIPCO), Sep 2018, Rome, Italy. ⟨hal-01795319⟩
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