In the leftmost column is the original signal, and in other colums are the separated signals obtained with different models. For each signal, the signal-to-residual-ratio (SRR) is calculated.
| original signal and list of mixed component sounds | frequency bands | polynomial | mel-cepstrum | smoothing | identity |
| orig1 cello, trumpet, violin |
sep1band1, 6.7 dB sep1band2, 15.9 dB sep1band3, 13.6 dB |
sep1poly1, 6.6 dB sep1poly2, 12.4 dB sep1poly3, 13.1 dB |
sep1cepstrum1, 6.4 dB sep1cepstrum2, 15.5 dB sep1cepstrum3, 14.2 dB |
sep1poly1, 6.7 dB sep1poly2, 15.6 dB sep1poly3, 14.6 dB |
sep1identity1, 2.2 dB sep1identity2, 22.4 dB sep1identity3, 14.7 dB |
| orig2 saxophone, frenchhorn, trombone |
sep2band1, 6.3 dB sep2band2, 8.9 dB sep2band3, 8.0 dB |
sep2poly1, 3.7 dB sep2poly2, 6.6 dB sep2poly3, 8.0 dB |
sep2cepstrum1, 4.9 dB sep2cepstrum2, 7.6 dB sep2cepstrum3, 7.8 dB |
sep2poly1, 2.3 dB sep2poly2, 5.4 dB sep2poly3, 8.9 dB |
sep2identity1, -1.1 dB sep2identity2, 4.0 dB sep2identity3, 8.2 dB |
| orig3 viola, bass, englishhorn, tuba |
sep3band1, 7.8 dB sep3band2, 5.6 dB sep3band3, 14.1 dB sep3band4, 4.3 dB |
sep3poly1, 7.2 dB sep3poly2, 4.7 dB sep3poly3, 7.6 dB sep3poly4, 3.9 dB |
sep3cepstrum1, 8.0 dB sep3cepstrum2, 9.0 dB sep3cepstrum3, 16.3 dB sep3cepstrum4, 5.5 dB |
sep3poly1, 6.6 dB sep3poly2, 7.5 dB sep3poly3, 9.9 dB sep3poly4, 2.5 dB |
sep3identity1, 8.3 dB sep3identity2, -0.7 dB sep3identity3, 4.0 dB sep3identity4, -6.0 dB |
| orig4 frenchhorn, flute |
sep4band1, 4.5 dB sep4band2, 7.7 dB |
sep4poly1, 4.4 dB sep4poly2, 7.7 dB |
sep4cepstrum1, 4.1 dB sep4cepstrum2, 7.4 dB |
sep4poly1, 1.8 dB sep4poly2, 7.7 dB |
sep4identity1, -0.1 dB sep4identity2, 7.5 dB |
| orig5 frenchhorn, flute + additive -10dB pink noise |
sep5band1, 4.2 dB sep5band2, 7.5 dB |
sep5poly1, 4.1 dB sep5poly2, 7.5 dB |
sep5cepstrum1, 3.7 dB sep5cepstrum2, 7.1 dB |
sep5poly1, 1.6 dB sep5poly2, 7.5 dB |
sep5identity1, -0.3 dB sep5identity2, 7.2 dB |
- Tuomas Virtanen, tuomas.virtanen@tuni.fi