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DIRHA I Simulated Corpus

The corpus includes acoustic sequences of duration 60 seconds, at a sampling rate of 48 kHz for a subset of 21 microphones (13 in the living-room and 8 in the kitchen).

Each sequence consists of real background noise (with gain randomly chosen within a given range) with superimposed various localized acoustic events. Acoustic events occur randomly (and rather uniformly) in time and in space (within the predefined positions) with various amplification gains. The effect of propagation to each single microphone is accounted for by means of convolution of the dry/close-talk signals with the respective IR. Sometimes overlapping in time between different sources occurs.

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