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Table 9 Performance measures for the best-case runs of different instrument combinations, with spectral masking. Instruments labeled as “s.” are synthetic, those labeled as “a.” are acoustic

From: Sparse pursuit and dictionary learning for blind source separation in polyphonic music recordings

Method Instrument SDR SIR SAR
[23] Oboe (a.) 8.7 25.8 8.8
  Euphonium (a.) 4.6 14.5 5.3
  Piccolo (s.) 14.2* 27.9* 14.4*
  Organ (s.) 11.8* 25.1* 12.1*
  Piccolo (s.) 6.5* 20.0 6.7*
  Organ (s.) 6.6* 17.3 7.1*
  Oboe (s.) 9.0* 21.9* 9.2*
Ours Oboe (a.) 18.6* 33.6* 18.8*
  Euphonium (a.) 14.7* 31.5* 14.7*
  Piccolo (s.) 11.2 25.9 11.3
  Organ (s.) 10.1 20.7 10.5
  Piccolo (s.) 4.2 24.8* 4.3
  Organ (s.) 6.0 20.0* 6.3
  Oboe (s.) 5.3 12.4 6.4
  1. Best numbers are marked