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Estimation of Reverberation Time without Test Signals

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Some audio systems such as sound localizers and hearing-aids can be affected in their performance by strong reverberation. Their algorithms can however adapt their algorithms if as estimate of the reverberation time is available. Usually, those systems are not able to measure the reverberation time of the room using test signals. The only available way is to use the captured signals to estimate the reverberation time. This article presents a method to estimate the reverberation time of a room from detecting the “tails” of the received sounds.

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