NDLI: Fast intra-collection audio matching

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Fast intra-collection audio matching

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Fast intra-collection audio matching

Content Provider	ACM Digital Library
Author	Thomas, Verena Ewert, Sebastian Clausen, Michael
Abstract	The general goal of audio matching is to identify all audio extracts of a music collection that are similar to a given query snippet. Over the last years, several approaches to this task have been presented. However, due to the complexity of audio matching the proposed approaches usually either yield excellent matches but have a poor runtime or provide quick responses albeit calculate less satisfying retrieval results. In this paper, we present a novel procedure that combines the positive aspects and efficiently computes good retrieval results. Our idea is to exploit the fact that in some practical applications queries are not arbitrary audio snippets but are rather given as extracts from the music collection itself (intra-collection query). This allows us to split the audio collection into equal sized overlapping segments and to precompute their retrieval results using dynamic time warping (DTW). Storing these matches in appropriate index structures enables us to efficiently recombine them at runtime. Our experiments indicate a significant speedup compared to classical DTW-based audio retrieval while achieving nearly the same retrieval quality.
Starting Page	1
Ending Page	6
Page Count	6
File Format	PDF
ISBN	9781450315913
DOI	10.1145/2390848.2390850
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2012-11-02
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Dynamic time warping Audio matching Music retrieval
Content Type	Text
Resource Type	Article

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