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Table 1 Comparison of SIR (in dB) of the reconstructed rhythmic signal and harmonic signal based on NMF, BNMF, GNMF, BGS-NMF-LP and BGS-NMF-LSM

From: Bayesian group sparse learning for music source separation

  NMF BNMF GNMF BGS-NMF-LP BGS-NMF-LSM
  Rhythmic Harmonic Rhythmic Harmonic Rhythmic Harmonic Rhythmic Harmonic Rhythmic Harmonic
Music 1 6.47 4.17 6.33 4.29 9.19 6.10 9.61 8.32 9.86 8.63
Music 2 6.30 1.10 8.08 5.18 8.22 3.03 8.33 7.13 8.55 7.45
Music 3 3.89 -1.11 5.16 3.80 6.01 3.22 8.44 8.52 8.63 8.79
Music 4 2.66 6.03 3.28 6.28 3.59 8.36 7.97 9.52 8.20 9.78
Music 5 1.85 3.71 3.03 2.55 3.97 6.44 8.11 8.22 8.35 8.50
Music 6 1.06 6.37 3.34 5.56 2.78 7.10 5.00 6.93 5.19 7.23
Average 3.71 3.38 4.87 4.61 5.63 5.71 7.91 8.11 8.13 8.40
  1. Six mixed music signals are investigated.