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Table 1 Details of recording conditions for impulse response measurement

From: Distant-talking speaker identification by generalized spectral subtraction-based dereverberation and its efficient computation

  Array no Room Array type RT60 (s) SRR
CENSREC-4 database for training 1 Japanese style room Linear 0.40 3.24
  2 Japanese style bath Linear 0.60 3.28
  3 Elevator hall Linear 0.75 2.98
RWCP database for test 4 Echo room (cylinder) Circle 0.38 3.45
  5 Tatami-floored room (S) Circle 0.47 2.89
  6 Tatami-floored room (L) Circle 0.60 3.12
  7 Conference room Circle 0.78 3.30
  8 Echo room (panel) Linear 1.30 2.88
  1. RT60 (s), reverberation time in room; S, small; L, large; SRR, signal-to-reverberation ratio [42], calculated from artificial reverberant data.