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Table 1 RMSE for tracking scenarios (100 Monte Carlo trials) for one, two, or three speakers. The error is calculated in meters. Reverberation time for the single-speaker case T60=400 ms and for the two- and three-speaker case T60= 120 ms

From: Forward-backward recursive expectation-maximization for concurrent speaker tracking

Algorithm 1 speaker [m] 2 speakers [m] 3 speakers [m]
SRP-PHAT 0.32 0.42 0.54
TF-REM 0.32 0.30 0.41
TFB-REM 0.30 0.23 0.36