2010 Signal Separation Evaluation Campaign
Professionally produced music recordings
Test database

For details about each algorithm, click on the algorithm number.

All estimated source signals are made available under the terms of the same license as the mixture signals. For licensing information regarding the mixture signals, see the bottom of this page.



Average results
      vocals         drums         bass         guitar         piano         total    
Algorithm 1
A. Ozerov, R. Blouet & C. Fevotte
SDRi (dB)
ISRi (dB)
SIRi (dB)
SARi (dB)

OPSi     
TPSi     
IPSi     
APSi     
  1.6
  7.4
  6.4
  3.2

24.8
38.0
45.6
45.2
  3.9
  8.5
  9.9
  3.9

33.0
52.0
62.6
46.0
 -0.5
  5.9
 -0.8
 -5.9

40.2
77.5
43.6
51.4
  4.9
  8.3
11.5
  6.2

68.9
62.8
83.1
77.8
 -2.5
  2.9
 -2.5
 -1.4

15.3
22.4
34.7
26.2
  1.3
  6.7
  4.7
  0.9

31.7
49.0
49.9
46.3
Algorithm 2
J. Janer & R. Marxer
SDRi (dB)
ISRi (dB)
SIRi (dB)
SARi (dB)

OPSi     
TPSi     
IPSi     
APSi     
 -1.1
  7.5
  Inf
 -2.1

21.3
39.0
89.6
  3.7
-
-
-
-

-
-
-
-
-
-
-
-

-
-
-
-
-
-
-
-

-
-
-
-
-
-
-
-

-
-
-
-
-
-
-
-

-
-
-
-
Algorithm 3
M. Spiertz
SDRi (dB)
ISRi (dB)
SIRi (dB)
SARi (dB)

OPSi     
TPSi     
IPSi     
APSi     
  2.8
  5.0
10.2
  3.6

16.8
31.6
29.3
44.8
  3.2
  4.9
  8.0
  5.0

34.3
53.0
60.5
52.3
  2.2
  9.3
  4.4
  4.2

  7.4
58.7
  8.5
35.9
  5.7
16.3
  6.8
10.8

34.9
46.3
48.5
80.9
 -2.3
  1.7
 -4.1
 -0.9

  9.0
16.9
11.6
33.0
  2.2
  6.2
  6.2
  3.9

18.7
40.9
30.4
45.4
STFT
Ideal Binary Mask
SDRi (dB)
ISRi (dB)
SIRi (dB)
SARi (dB)

OPSi     
TPSi     
IPSi     
APSi     
  6.2
22.1
22.3
  6.2

22.6
51.1
61.4
21.2
  6.3
24.6
23.2
  6.2

34.6
64.2
74.3
32.4
  6.0
20.9
21.0
  5.7

12.3
49.8
49.0
  8.0
11.8
23.8
20.3
12.3

61.4
70.0
82.3
66.7
  1.1
  9.9
16.6
  0.0

17.0
41.1
54.8
15.4
  5.8
20.8
21.2
  5.6

24.9
53.6
62.0
23.2
Cochleagram
Ideal Binary Mask
SDRi (dB)
ISRi (dB)
SIRi (dB)
SARi (dB)

OPSi     
TPSi     
IPSi     
APSi     
  4.7
17.0
16.3
  4.7

12.7
33.0
42.7
11.8
  1.4
  2.7
17.3
  0.4

35.5
55.4
70.9
38.0
  0.9
  1.8
11.7
 -2.3

23.3
26.1
59.2
24.9
  8.6
14.6
15.1
  9.8

30.9
44.3
65.3
36.9
  0.8
  5.9
12.2
 -1.9

10.7
12.5
36.3
10.4
  2.9
  8.9
14.9
  1.7

20.9
34.2
53.0
21.8


Detailed results
  Tamy
"Que Pena Tanto Faz"
mix
Bearlin
"Roads"
mix
Glen Philips
"The Spirit of Shackleton"
mix
Nine Inch Nails
"The Good Soldier"
mix
Shannon Hurley
"Sunrise"
mix
Algorithm 1
A. Ozerov, R. Blouet & C. Fevotte

SDRi (dB)
ISRi (dB)
SIRi (dB)
SARi (dB)

OPSi     
TPSi     
IPSi     
APSi     

 vocals 

 guitar 

  3.4   4.9
12.3   8.3
  5.4 11.5
  6.6   6.2

40.7 68.9
63.5 62.8
60.1 83.1
76.1 77.8

 vocals 

 bass 

 piano 

 -2.2   0.0  -2.7
  8.7   0.0   2.0
 -1.6  -2.8  -5.7
  3.1  -24.9  -0.2

18.1 98.2 12.5
26.9 99.2 13.9
36.2 89.6 25.5
36.1 94.2 25.5

 vocals 

 drums 

 bass 

  3.3   2.3  -4.0
  6.2   4.1   9.8
12.8   8.8  -3.7
  3.9   1.4   3.1

19.5 31.9 14.3
38.9 45.2 68.8
42.3 64.7 28.6
34.2 40.6 32.9

 vocals 

 drums 

  1.1   5.7
  3.2 14.4
  8.5 10.3
 -1.0   7.0

30.2 27.9
33.2 52.5
64.7 53.8
36.1 46.7

 vocals 

 drums 

 bass 

 piano 

  2.2   3.6   2.6  -2.3
  6.4   7.0   8.0   3.8
  7.0 10.7   4.2   0.6
  3.5   3.2   4.0  -2.7

15.5 39.2   8.3 18.1
27.3 58.3 64.4 30.9
24.5 69.5 12.5 43.9
43.6 50.9 27.1 26.9
Algorithm 2
J. Janer & R. Marxer

SDRi (dB)
ISRi (dB)
SIRi (dB)
SARi (dB)

OPSi     
TPSi     
IPSi     
APSi     

 vocals 

        

 -3.0 -
-2.1 -
  Inf -
  2.7 -

30.3 -
45.0 -
89.6 -
  7.4 -

 vocals 

      

       

 -0.6 - -
  9.1 - -
  Inf - -
 -3.5 - -

26.4 - -
41.1 - -
89.6 - -
  5.6 - -

 vocals 

       

      

 -0.3 - -
  5.9 - -
  Inf - -
 -4.4 - -

15.9 - -
28.6 - -
89.6 - -
  1.5 - -

 vocals 

       

 -2.6 -
10.2 -
  Inf -
 -5.1 -

18.8 -
35.8 -
89.6 -
  2.4 -

 vocals 

       

      

       

  0.8 - - -
14.4 - - -
  Inf - - -
 -0.4 - - -

15.2 - - -
44.3 - - -
89.6 - - -
  1.4 - - -
Algorithm 3
M. Spiertz

SDRi (dB)
ISRi (dB)
SIRi (dB)
SARi (dB)

OPSi     
TPSi     
IPSi     
APSi     

 vocals 

 guitar 

  4.1   5.7
  6.2 16.3
10.4   6.8
  5.3 10.8

17.8 34.9
54.7 46.3
16.9 48.5
82.5 80.9

 vocals 

 bass 

 piano 

  2.6   5.3  -0.8
  4.2 11.7   2.1
  8.1 11.0  -1.2
  4.3   5.9  -1.2

17.8   7.7   7.7
13.1 44.8 13.2
39.7 11.7 12.1
29.0 23.3 21.0

 vocals 

 drums 

 bass 

  3.9   3.6  -2.0
  5.7   5.7   7.5
15.1   7.8  -3.1
  5.4   5.2   1.9

15.4 37.3   8.7
38.2 50.0 75.3
26.7 65.2 10.7
39.4 54.2 36.3

 vocals 

 drums 

  1.1   1.2
  1.8   1.8
10.0   5.9
  0.2   3.4

25.2 25.0
29.3 48.2
55.4 48.3
34.8 44.9

 vocals 

 drums 

 bass 

 piano 

  2.2   4.7   3.4  -3.8
  6.9   7.2   8.8   1.4
  7.1 10.5   5.4  -7.0
  2.9   6.3   4.8  -0.6

  8.0 40.6   5.8 10.4
22.5 60.9 56.0 20.7
  7.8 68.0   3.2 11.0
38.4 57.9 48.0 45.1
STFT
Ideal Binary Mask

SDRi (dB)
ISRi (dB)
SIRi (dB)
SARi (dB)

OPSi     
TPSi     
IPSi     
APSi     

 vocals 

 guitar 

10.1 11.8
19.0 23.8
21.9 20.3
10.5 12.3

32.5 61.4
49.1 70.0
67.7 82.3
37.3 66.7

 vocals 

 bass 

 piano 

  5.8   7.9   1.6
21.0 25.6   9.9
18.7 16.8 18.8
  5.8   8.4   0.9

14.6   5.0 14.8
47.6 20.0 40.1
49.1 26.0 52.2
13.9   2.9 12.5

 vocals 

 drums 

 bass 

  5.6   6.4   2.0
27.7 26.8 14.9
26.6 21.5 25.3
  5.6   6.3   0.6

21.0 30.6 11.3
58.7 64.3 66.9
65.3 72.1 53.5
16.5 27.6   6.6

 vocals 

 drums 

  1.5   5.1
18.6 26.9
26.1 26.1
  0.9   5.1

29.3 37.9
50.6 61.7
72.6 76.8
24.4 34.6

 vocals 

 drums 

 bass 

 piano 

  7.8   7.3   8.2   0.7
24.4 20.1 22.3   9.9
18.1 21.9 20.8 14.4
  8.1   7.0   8.1  -0.9

15.4 35.5 20.6 19.2
49.6 66.7 62.4 42.0
52.1 73.9 67.6 57.4
13.8 34.9 14.4 18.3
Cochleagram
Ideal Binary Mask

SDRi (dB)
ISRi (dB)
SIRi (dB)
SARi (dB)

OPSi     
TPSi     
IPSi     
APSi     

 vocals 

 guitar 

  7.5   8.6
14.5 14.6
15.1 15.1
  8.1   9.8

11.9 30.9
25.9 44.3
37.8 65.3
13.0 36.9

 vocals 

 bass 

 piano 

  4.6   0.3   1.1
16.6   0.5   6.9
13.5   5.5 13.2
  4.8  -3.5  -0.0

  7.1 24.0   9.3
31.6 13.1 10.9
25.6 60.0 33.0
  7.2 25.1   8.6

 vocals 

 drums 

 bass 

  3.9   1.1   0.7
24.0   2.9   3.0
21.3 16.5 18.5
  3.8  -1.3  -4.2

15.7 26.2 15.6
38.8 45.3 29.4
54.5 64.2 52.7
12.9 27.2 13.2

 vocals 

 drums 

  1.4   1.6
10.1   2.9
18.8 18.7
 -0.0   1.6

17.6 37.5
36.1 59.0
57.7 72.8
14.4 40.0

 vocals 

 drums 

 bass 

 piano 

  6.1   1.5   1.6   0.4
20.0   2.3   2.0   4.8
13.1 16.5 11.0 11.1
  6.8   1.0   1.0  -3.7

11.2 42.8 30.4 12.1
32.8 61.8 35.9 14.1
38.1 75.6 64.8 39.7
11.5 46.8 36.5 12.1

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