2015:Audio Cover Song Identification Results

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Contents

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

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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

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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

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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

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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

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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

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Individual Results Files

Mixed Collection

Average Precision by Query

CT1 : Ming-Chi Yen, Chuan-Yau Chan, Hsin-Min Wang

CYWW1 : Chuan-Yau Chan, Ming-Chi Yen, Ju-Chiang Wang, Hsin-Min Wang

Rank Lists

CT1 : Ming-Chi Yen, Chuan-Yau Chan, Hsin-Min Wang

CYWW1 : Chuan-Yau Chan, Ming-Chi Yen, Ju-Chiang Wang, Hsin-Min Wang

Sapp's Mazurka Collection

Average Precision by Query

CT1 : Ming-Chi Yen, Chuan-Yau Chan, Hsin-Min Wang

CYWW1 : Chuan-Yau Chan, Ming-Chi Yen, Ju-Chiang Wang, Hsin-Min Wang

Rank Lists

CT1 : Ming-Chi Yen, Chuan-Yau Chan, Hsin-Min Wang

CYWW1 : Chuan-Yau Chan, Ming-Chi Yen, Ju-Chiang Wang, Hsin-Min Wang

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