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Table 1 Summary of recording conditions and data set parameters. SimData denotes artificially reverberated speech data with real RIRs and RealData denotes true recordings made in a reverberant room

From: Feature enhancement of reverberant speech by distribution matching and non-negative matrix factorization

Recording type Room size T 60 (s) Near mic. Far mic.
    distance (m) distance (m)
SimData Small 0.25 0.5 2.0
SimData Medium 0.5 0.5 2.0
SimData Large 0.7 0.5 2.0
RealData Large 0.7 1.0 2.5
Data set Recording Number of Utterances Duration (h)
  type speakers   
Training Clean speech 92 7961 17.5
MC training Similar to 92 7961 17.5
  SimData    
Development SimData 20 1484 3.3
  RealData 5 179 0.3
Evaluation SimData 20 2176 4.8
  RealData 10 372 0.6