2015:Audio Cover Song Identification Results

Introduction

Audio Cover Song (ACS) Identification was evaluated against two datasets: Mixed Collection and Sapp's Mazurka Collection.

Mixed Collection Information

This is the "original" ACS collection. Within the 1000 pieces in the Audio Cover Song database, there are embedded 30 different "cover songs" each represented by 11 different "versions" for a total of 330 audio files (16bit, monophonic, 22.05khz, wav). The "cover songs" represent a variety of genres (e.g., classical, jazz, gospel, rock, folk-rock, etc.) and the variations span a variety of styles and orchestrations.

Using each of these cover song files in turn as the "seed/query" file, we will examine the returned lists of items for the presence of the other 10 versions of the "seed/query" file.

Sapp's Mazurka Collection Information

In addition to our original ACS dataset, we used the Mazurka.org dataset put together by Craig Sapp. We randomly chose 11 versions from 49 mazurkas and ran it as a separate ACS subtask. Systems returned a distance matrix of 539x539 from which we located the ranks of each of the associated cover versions.

General Legend

Sub code	Submission name	Abstract	Contributors
CT1	MFCCShapeSSM	PDF	Christopher Tralie
YWW1	YWW	PDF	Ming-Chi Yen, Ju-Chiang Wang, Hsin-Min Wang
CYWW1	CYWW	PDF	Chuan-Yau Chan, Ming-Chi Yen, Ju-Chiang Wang, Hsin-Min Wang

Results

Mixed Collection

Summary Results

	CT1	CYWW1
Total number of covers identified in top 10	624.00	1354.00
Mean number of covers identified in top 10 (average performance)	0	1.35
Mean (arithmetic) of Avg. Precisions	0.19	0.41
Mean rank of first correctly identified cover	35.53	15.60

download these results as csv

Number of Correct Covers at Rank X Returned in Top Ten

Rank	CYWW1	CT1
1	170	158
2	170	114
3	168	92
4	146	70
5	151	44
6	132	38
7	119	33
8	117	35
9	95	24
10	86	16
Total	1354	624

download these results as csv

Average Performance per Query Group

Group	CT1	CYWW1
1	0.86	0.89
2	0.01	0.01
3	0.09	0.46
4	0.16	0.49
5	0.13	0.66
6	0.02	0.94
7	0.43	0.06
8	0.01	0.02
9	0.01	0.01
10	0.53	0.46
11	0.01	0.05
12	0.52	0.76
13	0.53	1
14	0.03	0.03
15	0.47	0.83
16	0.02	0.60
17	0.25	0.29
18	0.40	0.73
19	0.01	0.35
20	0.03	0.41
21	0.03	0.12
22	0.02	0.12
23	0.32	0.05
24	0.74	0.01
25	0.01	0.25
26	0.41	0.51
27	0.02	0.85
28	0.02	0.04
29	0.01	1
30	0.01	0.90

download these results as csv

Sapp's Mazuraka Collection

Summary results

	CT1	CYWW1
Total number of covers identified in top 10	3698.00	4968.00
Mean number of covers identified in top 10 (average performance)	6.86	9.21
Mean (arithmetic) of Avg. Precisions	0.71	0.91
Mean rank of first correctly identified cover	1.65	1.86

download these results as csv

Number of Correct Covers at Rank X Returned in Top Ten

Rank	CYWW1	CT1
1	460	511
2	508	497
3	507	478
4	514	455
5	510	425
6	518	391
7	508	346
8	500	272
9	491	203
10	452	120
Total	4968	3698

download these results as csv

Average Performance per Query Group

Group	CT1	CYWW1
1	0.40	0.99
2	0.62	0.93
3	0.80	1
4	0.51	0.92
5	0.81	0.92
6	0.90	1
7	0.36	1
8	0.21	0.83
9	0.77	1
10	0.95	0.90
11	0.69	1
12	0.90	0.98
13	0.72	1
14	0.25	0.91
15	0.91	0.79
16	0.79	1
17	0.95	0.99
18	0.90	1
19	0.77	0.93
20	0.90	1
21	0.91	0.85
22	0.32	0.90
23	0.14	0.85
24	0.23	0.98
25	0.86	0.96
26	0.59	0.77
27	0.05	0.84
28	0.13	0.19
29	0.07	0.05
30	0.57	1
31	0.39	1
32	0.92	1
33	0.87	1
34	0.98	0.93
35	0.91	1
36	0.90	0.84
37	0.83	0.97
38	0.82	0.02
39	0.82	0.87
40	0.79	0.99
41	0.69	1
42	0.30	0.86
43	0.47	1
44	0.77	1
45	0.74	1
46	0.68	0.97
47	0.60	1
48	0.81	1
49	0.88	0.90