2010 Signal Separation Evaluation Campaign
Under-determined speech and music mixtures
Test2 database

For details about each algorithm, click on "Algorithm".

The audio files below are made available under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 2.0 license. The authors are Shannon Hurley, Nine Inch Nails, AlexQ (Alexander Lozupone), Mokamed, Carl Leth and Jim's Big Ego for music source signals and Hiroshi Sawada for mixture signals.

AVERAGE RESULTS

Total average for each conditions
Average for 3 speech mixtures (male3&female3)
Average for 4 speech mixtures (male4&female4)
Average for music mixtures (nodrums&wdrums)

DETAILED RESULTS


Instantaneous mixtures
female3
mix		female4
mix		male3
mix		male4
mix		nodrums
mix		wdrums
mix
Algorithm
A. Ozerov, S. Arberet, and E. Vincent
SDR (dB)
ISR (dB)
SIR (dB)
SAR (dB)

OPS 
TPS 
IPS 
APS 		 sim1 sim2 sim3 
15.9 13.2 15.1
25.0 25.0 26.6
24.9 20.3 22.4
16.8 14.1 16.0

60.9 65.6 54.4
77.1 78.1 73.5
80.7 81.7 78.3
71.6 77.5 65.6 		sim1 sim2 sim3 sim4 
12.5  8.6 10.2 14.0
23.8 15.6 18.8 23.4
19.2 16.7 17.1 22.2
13.5  9.1 10.9 14.8

41.9 21.9 37.3 35.4
63.8 52.7 63.8 66.5
70.4 47.2 66.6 64.0
56.7 36.0 52.5 52.6 		sim1 sim2 sim3 
 7.1  8.1 25.2
14.1 17.3 41.6
14.3 14.0 30.5
 7.3  9.1 26.9

28.2 23.8 84.1
54.5 56.2 88.4
55.7 45.9 87.1
44.6 45.0 86.9 		sim1 sim2 sim3 sim4 
12.6  5.2  6.5  8.9
24.8 13.0 12.5 15.5
17.8  9.8 12.8 16.9
14.0  6.0  6.8  9.3

50.2 18.9 32.3 38.4
75.0 55.7 61.0 60.3
74.7 37.9 61.9 68.9
66.7 38.1 47.0 50.5 		sim1 sim2 sim3 
11.5  6.6 11.2
26.9 12.1 15.2
13.3 10.0 16.8
16.6 10.4 15.2

84.7 84.8 30.8
89.6 78.3 48.2
86.9 86.9 54.5
88.9 88.8 55.2 		sim1 sim2 sim3 
33.9 23.8  6.7
47.9 36.3 20.9
44.4 34.9 16.9
34.4 24.3  7.2

93.1 95.8 81.2
94.1 97.0 78.8
88.5 89.2 86.6
93.2 93.5 84.8
Algorithm
ibm
SDR (dB)
ISR (dB)
SIR (dB)
SAR (dB)

OPS 
TPS 
IPS 
APS 		 sim1 sim2 sim3 
10.2 10.4 10.9
19.0 17.9 21.3
21.2 22.8 19.5
10.3 10.8 11.3

43.6 48.7 10.9
62.3 64.0 47.0
75.8 77.6 21.7
48.0 54.7 24.3 		sim1 sim2 sim3 sim4 
 8.4 10.6  9.5 10.6
14.9 20.3 19.1 17.9
19.0 22.6 17.8 22.2
 8.7 10.8  9.9 11.2

35.0 19.3 45.1 24.9
56.1 41.8 63.6 41.6
69.4 48.9 76.1 57.1
40.7 25.2 50.3 31.9 		sim1 sim2 sim3 
 9.8  9.6  9.6
18.8 18.5 17.6
21.4 18.8 19.9
 9.8  9.9  10.0

39.7 40.2 33.9
58.4 57.3 53.9
72.1 72.9 67.2
47.0 46.2 41.7 		sim1 sim2 sim3 sim4 
 8.1  7.8  7.6  7.9
16.0 16.3 14.7 14.6
18.6 17.6 17.3 17.6
 8.1  7.8  7.7  7.9

35.7 47.6 29.1 14.9
55.0 60.6 50.0 38.9
69.2 77.6 62.0 39.2
42.7 52.1 37.3 20.9 		sim1 sim2 sim3 
 3.7  8.6  7.9
 5.8 16.6 12.2
12.1 11.3 12.8
 5.8 13.2 12.0

61.7 47.0 15.3
54.3 21.0 48.9
82.4 68.0 25.3
66.4 71.9 42.3 		sim1 sim2 sim3 
19.7  9.2  6.7
32.6 16.1 10.6
24.0 20.8 17.0
22.0 10.1  6.9

65.2 67.7 83.7
76.9 74.2 83.3
81.4 80.6 87.3
77.9 85.5 85.3
Algorithm
ibmcoch
SDR (dB)
ISR (dB)
SIR (dB)
SAR (dB)

OPS 
TPS 
IPS 
APS 		 sim1 sim2 sim3 
 8.3  8.3 10.2
14.9 14.6 20.1
17.3 18.0 16.1
 8.8  8.8 11.5

28.8 32.0 24.2
56.8 53.6 26.3
64.9 66.7 65.2
32.6 37.9 21.0 		sim1 sim2 sim3 sim4 
 6.5  9.6  8.6  8.3
12.1 16.6 17.1 13.4
15.5 17.6 15.1 18.6
 6.6 10.8  9.6  9.3

13.7 19.2 23.3 15.2
37.0 23.2 50.0 20.6
42.5 56.2 58.4 48.4
14.9 18.0 26.6 14.4 		sim1 sim2 sim3 
 7.3  7.4  7.4
14.2 16.0 13.6
17.9 14.2 17.2
 7.2  7.9  7.8

17.7 18.7 17.2
41.3 40.3 38.2
51.6 52.8 49.9
18.5 20.0 18.4 		sim1 sim2 sim3 sim4 
 6.2  7.3  5.6  6.3
12.7 12.6 10.7 12.1
14.8 15.3 14.0 14.0
 6.0  8.5  5.6  6.4

19.8 30.0 16.1 18.3
40.9 56.7 29.0 19.0
55.3 66.2 49.5 55.4
20.9 34.0 16.0 16.4 		sim1 sim2 sim3 
 4.2  8.5  9.1
 7.1 14.3 13.0
 9.9 12.0 13.5
 7.7 12.3 14.4

74.9 37.2  9.8
87.2 12.5 28.9
85.0 68.9 36.6
81.3 44.5  8.6 		sim1 sim2 sim3 
15.9 12.1 10.4
20.7 17.8 15.2
27.4 26.5 24.6
17.8 13.8 11.2

82.5 91.0 89.3
87.8 86.9 91.0
86.7 88.0 88.0
86.2 92.9 90.2


Simulated recordings with 20cm microphone spacing and 130ms reverberation time
female3
mix		female4
mix		male3
mix		male4
mix		nodrums
mix		wdrums
mix
Algorithm
A. Ozerov, F. Nesta, and E. Vincent
SDR (dB)
ISR (dB)
SIR (dB)
SAR (dB)

OPS 
TPS 
IPS 
APS 		 sim1 sim2 sim3 
 9.4  4.2  4.3
19.6 13.0  5.5
11.7  5.1 14.1
13.5 10.3  7.3

47.6 44.9 52.8
69.8 66.8 68.0
71.9 69.2 76.3
67.5 67.3 67.9 		sim1 sim2 sim3 sim4 
 1.8  3.6  1.3  3.3
 2.3 13.4 12.3  5.2
10.8  5.0  0.9 10.1
 6.2  7.8  9.7  4.7

35.8 29.4 25.1 20.2
57.4 57.6 57.9 47.9
63.9 54.5 46.2 38.3
53.3 50.5 49.8 42.6 		sim1 sim2 sim3 
 1.6  6.8  4.0
 9.6 12.6  5.5
 2.3  9.5 12.4
 7.1 11.1  6.7

47.8 48.4 56.7
72.4 70.0 67.9
71.3 72.5 78.4
69.8 67.8 70.1 		sim1 sim2 sim3 sim4 
 3.4  2.7  3.0  3.1
11.4  3.7 13.2  4.9
 4.3 10.4  3.6  9.0
 7.9  5.5  8.6  4.8

37.8 33.3 31.2 29.2
63.6 57.8 67.6 51.3
64.1 61.6 54.6 57.3
59.0 50.4 57.2 45.2 		sim1 sim2 sim3 
 1.4 -4.1  0.6
 4.0 11.0  0.8
 0.4 -5.5 13.2
 8.0 10.8  7.3

63.6 27.6 23.7
54.9 56.1 34.3
78.9 38.0 39.1
82.3 76.3 55.4 		sim1 sim2 sim3 
 2.6  6.4  2.5
15.2 16.6  2.6
 2.8  7.8 19.6
19.6 12.3 15.1

42.8 60.1 39.8
67.5 72.4 39.2
61.9 80.8 63.1
78.4 69.5 65.6
Algorithm
H.Sawada
SDR (dB)
ISR (dB)
SIR (dB)
SAR (dB)

OPS 
TPS 
IPS 
APS 		 sim1 sim2 sim3 
 7.0  6.7  6.1
11.8 10.2 12.9
11.7 12.8  9.8
 9.8  9.2  9.4

28.1 18.3 35.3
47.3 49.0 57.2
50.9 28.3 65.5
51.9 52.0 48.8 		sim1 sim2 sim3 sim4 
 5.5  5.8  4.7  4.6
13.0  8.5 10.6  9.2
 8.8 13.4  8.0  8.8
 7.6  7.8  6.8  5.9

 9.6 15.7 16.5 12.1
49.1 37.7 48.7 39.4
11.9 34.7 32.7 26.5
37.1 28.3 34.9 23.6 		sim1 sim2 sim3 
 5.5  7.3  8.6
11.4 12.5 15.9
10.3 13.8 14.8
 6.6  8.9  9.5

33.9 32.3 40.7
59.4 61.0 61.9
64.9 64.0 70.6
46.5 43.7 53.0 		sim1 sim2 sim3 sim4 
 1.0  5.3  3.0  2.2
 6.4 11.8  7.6  4.3
 0.8  9.2  5.5  6.5
 5.9  7.0  5.3  4.6

 5.5 14.7 16.5 11.5
35.4 56.4 40.2 30.0
 4.3 25.8 37.5 22.0
31.5 37.8 28.3 26.4 		sim1 sim2 sim3 
-2.6  0.5  1.0
 5.9  2.5  2.8
-5.4 -2.3  2.7
 5.1  4.2  6.0

20.1 15.1  3.5
36.0 11.4 45.4
32.5 25.1  0.8
52.1 37.9 60.8 		sim1 sim2 sim3 
 3.7  2.5  2.5
 7.4  6.5  5.3
 9.0  3.4  4.6
 4.8 11.9 11.7

35.9  6.7  8.0
60.0 17.1 23.1
66.3  5.4  5.1
49.0 36.5 56.2
Algorithm
ibm
SDR (dB)
ISR (dB)
SIR (dB)
SAR (dB)

OPS 
TPS 
IPS 
APS 		 sim1 sim2 sim3 
11.0 10.2 11.8
18.8 18.2 22.1
20.7 21.2 20.9
11.7 11.0 12.3

55.7 54.8 56.0
62.5 62.0 67.3
79.8 79.5 79.8
63.6 62.5 64.3 		sim1 sim2 sim3 sim4 
10.4  9.3 11.5  9.2
19.8 17.0 20.1 14.7
19.8 17.5 21.5 21.0
10.9  9.9 12.2  9.9

46.1 43.3 46.3 41.8
63.6 56.9 62.0 55.4
76.0 74.4 76.2 74.1
53.4 50.4 53.3 47.9 		sim1 sim2 sim3 
 9.5 10.6 10.1
18.8 19.8 19.2
20.8 21.2 20.2
 9.6 10.9 10.5

48.5 56.4 49.4
62.2 63.3 65.5
77.1 80.3 77.4
55.8 63.5 57.3 		sim1 sim2 sim3 sim4 
 8.5  9.5  9.5  8.8
16.0 17.9 18.0 16.6
19.9 18.6 20.0 18.3
 8.7 10.1  9.8  9.1

46.0 45.0 46.9 41.1
57.8 61.0 63.2 56.0
76.7 75.3 76.1 74.1
51.4 52.4 55.1 46.3 		sim1 sim2 sim3 
 6.7  7.4  5.5
12.1 12.3 11.8
13.0 12.7  9.7
 8.3 10.6  6.7

65.8 70.5 50.2
62.9 47.3 45.2
81.0 83.8 74.2
79.6 77.1 66.6 		sim1 sim2 sim3 
 8.9 14.7 17.8
15.0 23.6 25.7
20.8 21.6 25.8
 9.5 16.2 19.5

53.6 72.0 56.7
64.8 53.6 57.3
79.9 84.2 79.4
59.0 78.4 66.6
Algorithm
ibmcoch
SDR (dB)
ISR (dB)
SIR (dB)
SAR (dB)

OPS 
TPS 
IPS 
APS 		 sim1 sim2 sim3 
 8.0  7.8  8.9
14.6 15.5 17.6
17.4 17.2 17.5
 8.4  8.2  9.3

32.4 35.3 34.9
49.0 47.3 50.6
67.0 71.0 71.0
38.7 38.5 37.8 		sim1 sim2 sim3 sim4 
 6.7  6.3  8.4  6.0
12.9 12.3 15.6 10.1
15.4 13.8 16.6 16.6
 7.0  6.6  8.8  6.4

23.9 24.3 28.6 22.7
45.4 37.2 42.5 37.9
60.7 61.3 65.7 58.9
26.0 25.7 30.9 24.5 		sim1 sim2 sim3 
 7.4  8.2  7.8
15.0 16.6 15.0
18.1 17.3 17.8
 7.3  8.5  8.1

30.3 32.2 30.5
44.4 51.9 51.1
67.6 69.7 66.5
32.5 34.0 34.6 		sim1 sim2 sim3 sim4 
 5.7  6.9  7.0  6.0
11.5 14.5 13.5 11.2
17.0 15.0 17.2 15.4
 5.4  7.2  7.0  6.2

28.1 29.0 27.1 24.9
43.9 46.2 49.0 38.0
67.4 66.7 63.5 63.5
27.6 30.8 30.5 24.9 		sim1 sim2 sim3 
 5.3  5.9  3.6
11.5  9.8  6.2
10.1 12.1  8.7
 6.8  8.1  3.3

20.5 41.2  10.0
42.3 25.4 11.6
44.6 68.4 23.6
34.5 56.9 17.1 		sim1 sim2 sim3 
 5.6 10.6 13.0
 9.7 16.9 20.5
16.5 16.3 17.8
 5.9 12.6 15.7

48.5 24.3 18.1
54.6 19.9 28.6
77.2 44.7 35.7
55.1 46.4 37.1


Simulated recordings with 4cm microphone spacing and 130ms reverberation time
female3
mix		female4
mix		male3
mix		male4
mix		nodrums
mix		wdrums
mix
Algorithm
A. Ozerov, F. Nesta, and E. Vincent
SDR (dB)
ISR (dB)
SIR (dB)
SAR (dB)

OPS 
TPS 
IPS 
APS 		 sim1 sim2 sim3 
 6.6  2.1  0.1
12.0 14.1  0.1
 8.9  2.5  5.4
12.9 14.2  1.8

59.5 20.1 19.9
78.6 69.0 30.4
75.8 21.3 39.7
84.5 82.3 37.9 		sim1 sim2 sim3 sim4 
 0.5  3.0  1.5  2.1
 4.1 15.6  6.1  2.5
 0.1  3.4  0.7 17.1
 4.4 10.0  8.3  6.9

19.5 36.9 21.5 31.9
48.1 63.9 48.1 50.0
37.5 62.2 38.3 59.2
40.8 60.0 47.9 49.9 		sim1 sim2 sim3 
 0.4  5.2  1.7
 4.3  6.2  6.7
-0.1 19.8  2.2
 6.1  9.1  9.1

43.3 59.8 43.4
62.6 74.8 65.1
67.6 79.9 67.2
66.4 72.2 67.7 		sim1 sim2 sim3 sim4 
 0.8  1.2  1.1  2.6
11.7  1.6  6.9  6.2
 0.7 11.4  1.4  4.2
 9.1  4.3  5.8  7.3

33.5 31.6 19.0 21.7
69.0 52.2 40.3 57.2
56.2 60.3 37.8 37.1
61.7 47.5 38.0 51.5 		sim1 sim2 sim3 
16.9  2.6 -0.1
20.6 22.7  0.1
24.4  2.6 -6.8
20.7 19.0  3.8

65.3 22.0 24.2
81.2 74.1 28.2
81.4 24.2 55.6
78.4 84.5 31.6 		sim1 sim2 sim3 
-0.4  0.2  3.7
 1.2  0.2 18.8
-3.5  5.0  4.2
 9.2  2.5 18.7

 1.9 10.5  8.0
29.3 51.4 62.7
 0.1 19.2  4.5
81.6 25.4 66.0
Algorithm
H.Sawada
SDR (dB)
ISR (dB)
SIR (dB)
SAR (dB)

OPS 
TPS 
IPS 
APS 		 sim1 sim2 sim3 
 6.3  6.0  7.3
11.8 12.5 10.2
11.1  8.5 15.4
 8.6  9.5 10.2

24.6 21.1 54.1
57.6 44.7 68.2
49.3 49.2 78.9
42.9 30.6 63.1 		sim1 sim2 sim3 sim4 
 3.8  2.9  1.4  0.9
 7.4  8.2  8.4  2.2
 7.0  3.9  0.9  2.8
 6.0  6.2  7.7  4.1

22.2 13.9 10.2 12.3
47.5 40.9 40.8 36.4
51.3 30.5 15.0 30.7
31.5 26.1 32.1 19.8 		sim1 sim2 sim3 
 8.7  6.9  6.1
15.2 14.0 10.7
18.5 10.6 11.9
 9.1  9.0  7.4

39.7 34.2 31.6
56.9 63.8 55.2
72.1 64.1 62.6
47.2 48.7 43.7 		sim1 sim2 sim3 sim4 
 2.3  2.8  3.1  1.9
 4.4 12.0  4.3 10.9
 6.7  3.6 10.6  2.3
 3.9  7.4  3.5  7.2

 8.8  9.9 11.4 24.5
34.2 49.0 31.7 57.4
22.8 12.0 29.1 50.1
13.9 39.3 17.8 41.2 		sim1 sim2 sim3 
 4.1  0.2 -1.2
 6.9  4.4  3.0
 7.2 -0.5 -4.6
 9.3  8.3  5.1

31.6 12.5 10.7
55.3 46.0 17.0
62.2 11.9 17.8
44.6 61.4 28.6 		sim1 sim2 sim3 
-1.4  2.3 -0.7
 4.4  4.3  4.3
-2.3  4.4 -3.2
 5.2  4.6  4.0

15.5  6.1 43.2
34.5 35.6 69.8
23.8  5.4 73.4
45.4 31.7 52.7
Algorithm
N.Duong
SDR (dB)
ISR (dB)
SIR (dB)
SAR (dB)

OPS 
TPS 
IPS 
APS 		 sim1 sim2 sim3 
 0.2  5.3  3.7
 5.8  8.6  5.3
-1.5  8.4  8.1
 7.6 10.8 10.3

25.7 65.3 28.8
47.0 76.4 60.5
37.5 78.7 37.5
68.0 87.3 82.7 		sim1 sim2 sim3 sim4 
 2.0  1.8  0.7  1.6
 6.7  7.4  2.7  3.4
 1.5  1.4 -0.6  3.3
10.9 10.4  5.7  7.8

36.8 22.1 14.3 25.5
55.2 57.5 30.9 50.7
55.3 26.9 16.2 34.9
73.5 76.6 57.6 73.5 		sim1 sim2 sim3 
 2.2  1.4  7.2
 7.4  4.1  9.8
 2.9  1.3 12.8
10.5  6.6 11.2

35.6 40.0 46.7
63.3 51.4 68.3
49.7 59.2 65.6
82.3 75.1 80.4 		sim1 sim2 sim3 sim4 
 2.1  2.4  0.4  1.3
 7.7 12.9  1.6  2.6
 2.4  2.3 -1.6  2.4
11.2 12.2  5.0  4.7

 7.5 21.2  6.9  8.7
35.2 65.2 23.7 26.5
 3.0 24.6  3.1  6.5
77.4 78.5 64.5 52.7 		sim1 sim2 sim3 
 9.6  1.5  2.3
11.6  7.4  4.4
15.1  1.2  4.5
17.9 13.1 14.4

43.7 31.0 29.2
70.9 58.4 30.6
60.0 41.1 37.9
85.5 83.2 81.6 		sim1 sim2 sim3 
 4.3  2.4 -1.9
 6.4  5.7  1.9
 8.1  3.0 -7.8
12.6 10.5  8.5

 4.8 26.3 38.7
63.0 57.0 49.9
 1.0 31.9 56.0
86.9 85.2 76.9
Algorithm
S. Arberet, A. Ozerov and N.K. Duong
SDR (dB)
ISR (dB)
SIR (dB)
SAR (dB)

OPS 
TPS 
IPS 
APS 		 sim1 sim2 sim3 
 2.3  4.8  3.8
 5.1  6.7  9.7
 3.6 10.5  4.3
 4.9  8.4 11.4

26.0 68.1 32.0
47.6 78.5 66.9
48.5 81.4 48.4
48.4 83.5 72.5 		sim1 sim2 sim3 sim4 
 2.4  1.4 -0.0  2.6
 6.0  3.8  4.2  3.9
 1.9  0.5 -2.4  6.3
 8.7  6.8  7.3  6.1

34.6 20.1 14.5 23.6
59.5 53.5 36.9 44.2
56.4 27.8 20.9 39.0
64.3 62.9 46.0 55.7 		sim1 sim2 sim3 
 3.1  2.3  6.8
13.0  3.4  9.9
 3.1  4.7 10.4
12.7  5.1 11.1

38.7 42.1 49.3
71.7 53.8 71.0
57.1 66.3 70.7
76.9 65.6 74.7 		sim1 sim2 sim3 sim4 
 2.4  2.5  2.6  1.0
 5.4  9.6  4.3  3.0
 1.9  2.4  3.5 -0.8
 7.9  9.4  5.6  4.6

31.8 22.1 27.0  7.7
60.8 69.2 51.1 22.9
51.0 29.4 47.3  9.0
65.5 70.8 54.4 29.8 		sim1 sim2 sim3 
12.7  2.7  4.3
15.9  9.1  5.7
17.5  2.3  9.2
19.5 13.3 13.7

56.8 25.4 30.7
75.0 64.0 35.4
77.6 40.4 52.3
73.0 62.1 58.3 		sim1 sim2 sim3 
 0.3  1.9  4.2
 3.5  6.2  6.5
-0.5  2.2  6.2
 5.5 10.4  9.8

57.7 39.7  9.9
74.1 61.4 41.3
79.9 64.9 11.7
67.4 62.5 40.4
Algorithm
ibm
SDR (dB)
ISR (dB)
SIR (dB)
SAR (dB)

OPS 
TPS 
IPS 
APS 		 sim1 sim2 sim3 
13.3 11.1 12.7
21.9 18.1 22.5
24.5 22.4 21.0
14.0 11.8 13.6

52.2 50.4 58.1
61.2 59.6 71.5
78.9 78.0 80.3
58.9 57.6 67.3 		sim1 sim2 sim3 sim4 
 9.5  9.1 10.7  8.2
15.8 16.2 20.9 15.1
19.6 19.0 17.7 18.3
10.2  9.7 11.8  8.5

43.8 39.3 47.9 42.7
58.9 53.2 62.0 49.2
74.8 71.6 77.1 75.5
51.1 47.2 54.3 46.5 		sim1 sim2 sim3 
 9.3 10.3 11.6
17.4 20.3 20.9
20.3 19.9 22.5
 9.4 10.6 12.0

50.3 50.6 51.3
57.9 62.6 69.8
79.0 78.5 77.8
54.1 56.7 60.2 		sim1 sim2 sim3 sim4 
 9.2 10.2  9.4  9.2
16.9 19.1 18.3 16.2
19.8 20.0 19.8 20.1
 9.4 10.8  9.6  9.6

40.9 43.2 39.6 35.2
63.8 57.7 57.7 47.8
73.2 75.4 72.2 70.0
47.9 48.1 46.9 40.0 		sim1 sim2 sim3 
15.4 15.2 10.0
23.9 21.2 17.3
23.3 25.7 17.8
16.8 16.7 11.0

63.3 67.6 66.8
80.8 42.1 69.0
81.7 82.4 84.0
73.0 76.5 70.6 		sim1 sim2 sim3 
 7.0  6.0  9.3
12.0  9.7 19.4
16.7 16.8 13.5
 7.6  7.5 11.9

70.7 59.4 57.9
80.9 63.9 32.8
84.6 81.1 80.6
75.7 67.0 63.3
Algorithm
ibmcoch
SDR (dB)
ISR (dB)
SIR (dB)
SAR (dB)

OPS 
TPS 
IPS 
APS 		 sim1 sim2 sim3 
 9.4  7.6  9.5
15.8 12.7 18.2
18.7 18.8 16.5
10.2  8.2 10.5

31.4 31.0 34.9
45.6 45.8 55.7
67.7 68.0 70.4
35.0 33.6 39.0 		sim1 sim2 sim3 sim4 
 5.9  6.3  7.3  5.3
10.1 12.1 15.9  9.4
15.3 15.0 13.9 14.8
 6.3  6.3  7.9  5.4

21.2 21.7 24.0 25.2
37.6 36.5 46.3 31.2
55.3 57.4 61.4 63.4
24.1 23.5 25.3 25.3 		sim1 sim2 sim3 
 6.6  7.5  9.2
13.1 15.9 16.7
17.3 15.2 19.3
 6.4  7.6  9.7

27.7 29.5 31.3
43.7 45.7 55.8
65.9 66.8 67.2
28.6 31.8 35.7 		sim1 sim2 sim3 sim4 
 6.5  7.3  6.7  6.5
12.4 14.6 13.5 11.6
16.5 15.4 17.1 17.4
 6.3  7.8  6.6  6.7

24.4 21.6 22.6 18.5
48.0 40.6 43.7 28.9
62.1 59.0 59.1 54.3
25.5 22.0 24.3 18.4 		sim1 sim2 sim3 
11.2 11.0  6.1
21.9 14.5 10.7
15.8 20.5 16.4
13.3 13.7  6.1

37.0 20.6 20.1
68.6 11.5 27.9
69.5 54.9 46.4
46.1 21.9 29.9 		sim1 sim2 sim3 
 4.1  4.7  7.7
 7.3  8.1 16.6
14.7 13.7 11.5
 4.8  5.8 10.5

36.7 25.8 27.8
62.0 38.4 11.1
70.1 56.7 61.2
43.9 35.3 32.8


Simulated recordings with 20cm microphone spacing and 380ms reverberation time
female3
mix		female4
mix		male3
mix		male4
mix		nodrums
mix		wdrums
mix
Algorithm
A. Ozerov, F. Nesta, and E. Vincent
SDR (dB)
ISR (dB)
SIR (dB)
SAR (dB)

OPS 
TPS 
IPS 
APS 		 sim1 sim2 sim3 
-1.2  4.0  0.5
 8.9  7.5  1.3
-1.5  6.8  0.9
 9.2  10.0  4.9

26.6 27.5 18.6
56.8 49.4 35.6
46.9 52.8 35.1
54.0 47.0 40.1 		sim1 sim2 sim3 sim4 
 0.7 -1.5 -1.3  1.0
 1.5  5.2  6.8  2.1
 2.3 -3.4 -2.3  1.8
 4.9  5.9  7.9  4.3

16.5  9.7 18.2 13.1
39.5 41.5 46.6 29.2
33.1 15.0 35.6 26.7
33.9 29.0 38.3 27.3 		sim1 sim2 sim3 
 0.6  3.7  1.4
 7.7  6.9  2.6
 0.5  5.7  3.4
 8.5 10.3  4.5

28.2 21.2 25.2
55.0 50.1 47.1
51.5 39.8 49.7
52.0 44.7 43.7 		sim1 sim2 sim3 sim4 
 0.5  1.4  0.2  0.2
 2.0  2.7  5.8  6.6
 0.7  4.2 -0.8 -0.5
 5.6  5.3  5.5  6.7

18.1 17.2 11.6 14.9
41.8 36.1 40.6 45.6
37.6 37.3 21.0 29.0
34.7 31.1 29.2 33.2 		sim1 sim2 sim3 
 0.1  0.3  1.0
10.2  1.1  3.0
 0.1 -4.1  1.3
12.1  4.8  6.6

 3.1 15.2 13.7
47.9 24.6 10.4
 0.5 21.5 20.4
74.6 47.7 39.1 		sim1 sim2 sim3 
 3.3  3.1 -0.7
 5.3  5.9  8.9
 6.6  5.6 -1.5
 8.9  9.3  6.2

33.3 14.0 11.1
28.5 33.0 42.4
55.8 20.9 15.4
59.5 42.4 37.8
Algorithm
H.Sawada
SDR (dB)
ISR (dB)
SIR (dB)
SAR (dB)

OPS 
TPS 
IPS 
APS 		 sim1 sim2 sim3 
 4.4  4.1  4.6
 7.1  8.6 11.1
 9.5  6.3  7.8
 7.0  7.3  7.1

15.8 18.1 22.2
43.5 48.2 50.0
34.9 39.2 47.4
29.0 32.8 37.0 		sim1 sim2 sim3 sim4 
 0.8  1.9  2.1  4.4
 5.6  3.9  7.5  6.5
 0.3  3.8  3.3  9.8
 6.1  5.1  4.7  6.6

11.5  9.3  6.9 12.1
41.8 33.6 40.3 43.9
26.5 21.6 15.4 29.3
21.2 16.9 12.9 20.6 		sim1 sim2 sim3 
 1.3  1.4  2.5
 5.4  5.7  4.8
 1.1  1.5  5.1
 5.6  6.4  6.5

 9.0  6.5  7.4
26.6 30.8 33.3
13.2  5.2  7.5
27.8 37.2 34.5 		sim1 sim2 sim3 sim4 
 3.3  2.5  2.9  3.0
 7.7  5.5  5.7  6.6
 5.6  4.8  5.6  5.5
 5.3  4.7  4.7  5.0

 7.8  7.7  7.6 11.4
39.2 36.1 31.1 42.0
13.1 18.6 14.7 27.9
21.3 13.2 16.8 19.2 		sim1 sim2 sim3 
 1.0  2.6 -0.7
 9.3  4.3  1.8
 0.6  5.3 -6.3
 9.9  4.5  5.2

 3.4  4.0  8.5
21.4 23.7 17.2
 1.0  2.1 13.2
44.9 31.7 24.0 		sim1 sim2 sim3 
 4.9 -2.4  2.5
 8.6  5.0  4.4
 8.9 -5.0  5.3
 8.4  5.2  4.8

10.5  6.1 18.4
40.3 41.3 20.2
16.8  6.1 42.3
30.6 27.9 28.5
Algorithm
ibm
SDR (dB)
ISR (dB)
SIR (dB)
SAR (dB)

OPS 
TPS 
IPS 
APS 		 sim1 sim2 sim3 
 9.7  9.5  9.8
17.6 16.8 16.2
17.2 18.3 19.9
10.9 10.1 10.8

47.7 45.9 47.9
54.6 56.5 56.6
76.3 75.5 76.4
56.0 53.9 56.1 		sim1 sim2 sim3 sim4 
 10.0 10.2  8.8  7.6
18.7 18.2 15.1 13.6
20.5 19.0 17.7 17.0
10.3 11.0  9.6  8.1

35.4 41.4 36.0 34.1
48.7 52.3 50.3 43.8
69.1 73.7 69.1 68.7
42.3 47.6 43.9 39.8 		sim1 sim2 sim3 
 8.9  9.1 10.1
16.4 18.1 20.1
19.7 19.7 19.6
 9.1  9.3 10.5

42.1 43.6 41.4
55.2 52.3 52.1
73.8 74.9 72.7
49.2 49.9 49.7 		sim1 sim2 sim3 sim4 
 7.8  7.8  7.9  7.7
14.5 15.3 14.3 14.8
17.5 16.2 18.4 15.9
 8.2  8.0  8.2  8.2

33.2 31.6 32.5 33.5
48.1 46.9 49.9 43.2
68.3 67.0 67.0 69.1
38.4 36.4 38.9 37.6 		sim1 sim2 sim3 
11.9 13.5 11.1
20.9 21.5 17.2
18.0 20.8 22.7
13.8 15.1 12.3

47.9 71.8 58.6
37.0 54.7 62.1
75.9 83.9 79.5
56.5 79.4 70.5 		sim1 sim2 sim3 
 9.8 10.5  5.3
17.7 20.2 10.2
17.5 18.6 15.1
10.7 11.5  4.9

58.7 36.2 24.6
57.0 43.2 31.5
78.9 69.0 63.6
72.3 44.2 23.6
Algorithm
ibmcoch
SDR (dB)
ISR (dB)
SIR (dB)
SAR (dB)

OPS 
TPS 
IPS 
APS 		 sim1 sim2 sim3 
 7.0  7.0  6.7
13.9 14.0 12.5
14.6 15.9 15.4
 7.4  7.2  7.1

21.6 22.8 24.3
33.5 35.0 37.1
54.9 57.7 59.9
25.6 25.9 27.5 		sim1 sim2 sim3 sim4 
 6.8  7.2  5.6  4.9
13.0 13.9  9.5  8.6
14.5 15.4 13.7 14.8
 7.1  7.6  6.2  4.9

16.7 20.1 17.7 16.5
29.7 32.3 31.4 21.8
48.8 57.3 50.1 49.9
18.2 19.6 19.7 16.6 		sim1 sim2 sim3 
 6.2  6.4  7.4
12.3 14.0 15.4
16.7 16.0 15.6
 6.0  6.2  7.7

20.3 20.6 17.9
38.3 34.7 34.9
56.4 56.4 50.4
21.2 21.7 20.2 		sim1 sim2 sim3 sim4 
 5.3  5.0  5.5  5.0
10.6 10.0 10.0  9.9
14.4 12.8 14.9 11.7
 5.3  4.8  5.6  5.2

15.7 13.0 14.3 15.2
29.1 25.9 31.4 24.5
49.3 43.0 45.1 47.2
15.4 12.9 14.9 15.6 		sim1 sim2 sim3 
 8.0  9.0  7.7
13.9 13.5 12.6
13.4 15.5 17.0
10.0 11.7  8.8

26.5 31.7 25.3
15.7 32.5 33.7
60.0 60.3 57.8
31.7 47.2 32.3 		sim1 sim2 sim3 
 6.3  7.1  3.1
12.0 15.0  6.0
12.7 13.4 12.5
 7.1  8.1  1.8

22.8  9.5 18.0
34.4 13.3 15.7
49.1 26.6 53.8
36.0 12.7 16.7


Simulated recordings with 4cm microphone spacing and 380ms reverberation time
female3
mix		female4
mix		male3
mix		male4
mix		nodrums
mix		wdrums
mix
Algorithm
A. Ozerov, F. Nesta, and E. Vincent
SDR (dB)
ISR (dB)
SIR (dB)
SAR (dB)

OPS 
TPS 
IPS 
APS 		 sim1 sim2 sim3 
 0.9  2.5  0.3
10.5  5.2  0.6
 0.3  5.1 -2.2
11.5  7.0  0.1

 4.1 24.7  5.4
37.2 50.4 13.0
 1.0 44.3  4.4
63.3 50.9 27.7 		sim1 sim2 sim3 sim4 
 0.4 -1.5 -3.4 -0.0
 0.9  4.4  6.1  0.0
 0.5 -3.7 -5.2 -4.2
 2.7  8.9  8.4 -2.0

16.3  7.7 12.1  6.5
30.2 40.2 52.3 11.6
35.8  5.9 16.9 15.9
29.3 46.2 41.2  9.9 		sim1 sim2 sim3 
-1.1 -0.2  0.2
 8.4  9.1  0.3
-1.9 -0.2  5.2
 9.6  9.4  2.7

 9.5 31.2  8.2
57.0 61.7 13.2
 7.1 53.6 14.3
59.8 58.7 19.7 		sim1 sim2 sim3 sim4 
-1.9  3.0  0.6 -0.5
 9.6  7.5  0.9  1.4
-2.8  4.3  6.1 -5.6
 8.3  8.5  2.4  6.9

21.3 15.8 10.7 16.9
59.3 42.9 25.2 37.6
40.6 31.0 23.0 33.4
44.0 34.4 21.2 35.4 		sim1 sim2 sim3 
 0.8  0.5  4.0
 8.6  0.9 11.6
-0.1  2.6  5.0
 9.1  3.5 10.9

12.9  5.4 14.1
42.2  4.9 33.8
12.7  5.3 17.0
61.4 22.0 53.9 		sim1 sim2 sim3 
 3.5 -0.1 -4.6
 6.2  3.9  0.8
 5.7 -0.3 -15.3
 9.9  7.6  4.8

37.5  8.7  4.7
43.5 56.3 16.0
65.1  7.2  5.2
54.9 50.4 17.2
Algorithm
H.Sawada
SDR (dB)
ISR (dB)
SIR (dB)
SAR (dB)

OPS 
TPS 
IPS 
APS 		 sim1 sim2 sim3 
 3.4  3.0  3.1
 7.1  5.9  6.5
 4.2  5.3  5.4
 7.9  7.2  6.7

15.9 23.1 19.9
49.5 49.8 46.0
33.2 48.0 46.6
31.8 39.2 29.9 		sim1 sim2 sim3 sim4 
 0.6 -1.6  1.6  1.3
 3.5  3.4  3.0  4.1
-0.8 -5.4  4.2  1.0
 4.1  5.6  5.1  5.3

 6.5  8.9 13.8  7.7
26.5 39.7 37.8 30.1
11.9 17.0 32.6 14.0
15.2 20.7 23.3 18.4 		sim1 sim2 sim3 
 4.0  5.4  3.1
 9.0  8.2  9.9
 6.6 11.1  5.2
 6.4  7.3  6.0

13.5 15.7 25.0
48.8 41.0 53.4
29.6 37.5 52.9
26.2 25.4 38.7 		sim1 sim2 sim3 sim4 
 0.0  2.0  1.9 -0.0
 2.3  4.1  6.9  4.1
-1.4  2.6  3.0 -1.5
 4.3  3.9  5.3  5.3

 5.9  7.0 16.3  4.8
26.6 30.0 51.6 26.7
 9.0 13.1 37.3  7.4
16.5 15.8 28.3 13.0 		sim1 sim2 sim3 
 1.7  2.2  0.6
 5.8  5.4  4.2
 2.3  3.5 -0.4
 4.5  6.0  5.4

11.0  9.2  5.4
25.5 15.8 19.1
17.3 13.2  4.1
31.8 28.3 30.8 		sim1 sim2 sim3 
 5.0 -7.1  6.0
 8.2  1.4  7.5
 9.3 -15.8 14.2
 8.0  5.0 10.1

12.0  3.2 34.2
51.9 31.2 43.8
22.4  2.8 68.0
29.2 14.8 41.1
Algorithm
N.Duong
SDR (dB)
ISR (dB)
SIR (dB)
SAR (dB)

OPS 
TPS 
IPS 
APS 		 sim1 sim2 sim3 
 0.4  0.5  0.4
 4.9  4.1  1.0
-0.6 -1.0 -0.1
10.0 10.5  5.6

22.5 11.5 19.1
47.0 38.8 36.8
26.8  8.4 21.6
78.0 71.0 73.1 		sim1 sim2 sim3 sim4 
-0.7  0.3 -0.3  0.9
 5.0  1.8  1.3  2.7
-2.9 -2.1 -3.1  0.0
 9.3  6.9  5.8  7.6

 6.6 10.2 10.0  8.4
23.5 35.2 33.5 18.7
 2.9  6.3  6.8  5.6
62.8 72.6 66.7 54.6 		sim1 sim2 sim3 
-0.8  1.0  1.3
 3.9  3.5  3.7
-2.8  0.8  0.5
 9.0  7.9  7.6

10.9 33.1  10.0
38.2 48.4 24.3
 6.7 46.9  7.3
77.8 78.4 60.8 		sim1 sim2 sim3 sim4 
-2.2 -0.1  1.2  0.4
 5.8  2.0  2.7  1.2
-4.5 -2.3  1.5 -1.9
 9.7  8.5  7.1  3.3

23.0 16.1  9.7  7.0
48.8 33.1 22.3 19.7
31.4 18.0  8.2  4.1
69.2 64.8 52.2 52.3 		sim1 sim2 sim3 
 1.4  3.7 -0.2
 4.9  6.4  2.4
 0.3  6.0 -3.6
10.1 10.3  6.9

 7.1 11.2  7.5
21.5 19.2 10.7
 2.6  6.7  3.3
78.2 78.5 67.5 		sim1 sim2 sim3 
-9.0  1.6  3.6
 2.5  3.7  4.4
-13.9  2.5 10.5
 8.5  8.8 10.2

 6.7 13.8 42.4
42.2 48.7 34.5
 3.0 12.2 62.1
65.3 71.6 74.5
Algorithm
S. Arberet, A. Ozerov and N.K. Duong
SDR (dB)
ISR (dB)
SIR (dB)
SAR (dB)

OPS 
TPS 
IPS 
APS 		 sim1 sim2 sim3 
 2.0  1.5  0.1
 3.3  6.8  2.1
 3.8  0.1 -3.5
 4.6 11.1  5.1

19.2  8.9 15.7
41.7 33.4 37.7
29.2  7.6 19.2
54.3 48.7 58.6 		sim1 sim2 sim3 sim4 
-0.1  0.6  0.4  1.4
 3.5  2.4  1.7  3.7
-4.2 -1.8 -1.7 -0.2
 7.6  5.4  6.1  7.6

 5.8  9.1  8.7  7.3
17.3 37.9 33.5 19.3
 4.4  7.4  7.8  7.2
33.1 51.6 45.3 33.0 		sim1 sim2 sim3 
-1.1  3.0  1.7
 7.7  5.2  2.5
-3.2  5.7  2.5
 9.8  6.9  4.3

10.8 33.0 12.7
51.6 55.0 20.5
 8.1 52.9 18.0
66.3 65.9 39.9 		sim1 sim2 sim3 sim4 
 0.8  1.0  0.2  1.4
 4.9  5.2  1.3  2.3
-1.2 -0.6 -6.9  0.4
 8.9  8.8  4.6  5.1

 3.7  6.2  6.4  10.0
25.3 36.2 18.3 26.2
 1.0  3.0  6.6 14.5
54.8 55.9 26.8 31.1 		sim1 sim2 sim3 
 1.9  3.3 -0.4
 4.0  6.3  2.7
 1.3  4.3 -5.4
 9.3 10.4  7.9

 6.0  9.4  6.0
19.7 19.9 10.8
 2.2  6.1  2.6
65.0 63.5 56.3 		sim1 sim2 sim3 
-6.5  2.3  4.3
 2.5  6.0  6.0
-13.6  3.2  8.6
 6.6  9.0 10.0

 4.4 10.4 40.9
33.3 49.4 39.3
 2.4  9.7 65.4
34.3 53.0 63.6
Algorithm
ibm
SDR (dB)
ISR (dB)
SIR (dB)
SAR (dB)

OPS 
TPS 
IPS 
APS 		 sim1 sim2 sim3 
11.3  8.4  9.4
20.1 14.5 15.9
18.7 17.8 18.2
12.2  8.9 10.3

48.7 42.7 46.3
55.1 55.2 60.6
76.9 74.0 76.0
56.6 50.2 53.8 		sim1 sim2 sim3 sim4 
 8.2  9.6 10.1 10.1
15.3 15.9 18.3 19.2
16.6 22.5 18.4 19.3
 8.6 10.1 10.8 10.6

37.2 38.0 35.7 41.7
45.3 48.3 48.7 50.6
71.6 71.7 68.5 73.7
41.7 43.7 44.2 48.3 		sim1 sim2 sim3 
 8.2 11.0  8.9
16.0 21.5 15.9
19.7 18.9 19.4
 8.3 11.8  9.3

41.6 41.3 39.9
57.1 52.8 55.7
73.5 74.1 72.1
48.8 46.7 47.6 		sim1 sim2 sim3 sim4 
 8.2  10.0  8.4  8.6
15.0 19.1 15.9 15.9
19.3 18.9 18.4 18.0
 8.4 10.5  8.8  9.2

37.5 32.4 35.7 28.1
55.9 46.6 49.0 40.4
70.7 67.8 70.2 63.9
44.7 37.3 41.1 32.0 		sim1 sim2 sim3 
 6.8  7.7  7.4
12.8 14.4 14.6
15.5 16.1 14.0
 7.1  8.3  8.3

36.1 43.1 37.4
44.1 45.1 44.2
65.1 72.2 67.0
51.6 54.7 51.1 		sim1 sim2 sim3 
11.9  4.0 14.2
19.3  7.2 25.8
21.5 16.4 19.8
12.9  2.7 15.9

43.3 54.9 57.5
56.1 25.6 67.5
75.2 82.1 78.7
48.8 52.7 71.0
Algorithm
ibmcoch
SDR (dB)
ISR (dB)
SIR (dB)
SAR (dB)

OPS 
TPS 
IPS 
APS 		 sim1 sim2 sim3 
 8.0  4.6  5.8
15.4  9.0 12.0
14.1 12.7 12.6
 8.7  4.2  6.2

22.7 18.2 22.4
32.1 33.6 41.0
56.2 51.9 59.1
27.2 19.5 23.6 		sim1 sim2 sim3 sim4 
 4.4  6.2  6.7  6.6
 8.6 10.6 13.2 13.2
12.0 16.0 14.7 15.1
 4.1  6.3  6.9  6.6

14.6 16.7 15.3 16.6
22.7 25.4 28.4 28.2
44.8 49.8 47.3 48.3
15.4 17.3 15.7 18.2 		sim1 sim2 sim3 
 5.4  8.0  6.1
11.0 16.9 11.8
16.0 14.5 15.3
 5.2  8.9  6.1

19.6 20.5 17.0
37.8 33.8 31.4
54.3 56.5 48.2
21.2 21.4 19.4 		sim1 sim2 sim3 sim4 
 5.4  7.0  5.4  5.3
10.3 13.4 10.7  9.4
16.1 14.8 14.0 14.8
 5.2  7.5  5.2  5.8

17.3 15.7 12.7 13.0
39.1 27.8 28.9 17.7
51.6 48.1 42.2 42.7
17.9 16.2 12.6 12.6 		sim1 sim2 sim3 
 3.1  4.7  4.1
 5.5  9.4  8.8
10.1 10.6  8.9
 2.7  5.1  4.4

 8.2  9.8 12.0
 8.5 10.7  9.1
25.0 24.2 33.9
 9.7 15.5 15.1 		sim1 sim2 sim3 
 8.8  2.5 11.4
15.3  5.4 21.0
17.3 15.4 17.3
 9.7  0.0 13.2

16.8 29.3 20.5
39.8  9.0 39.5
47.2 66.4 51.0
20.0 29.6 26.8