Improving access to digital music through content-based analysis

Juan Pablo Bello, Kent Underwood

Research output: Contribution to journalArticle

Abstract

Purpose: The purpose of this paper is to report recent advances on a collaborative project that aims to develop content-based methods for music information retrieval (MIR) as an alternative to standard text-based modes of access to digital music libraries. Design/methodology/approach: The paper describes current practices and ongoing research, and it discusses potential applications for future use. Findings: Content-based MIR approaches can extend and enhance the capabilities of traditional text-based discovery and delivery systems and thus support the work of expert users such as musicians and musicologists. Examples of technologies developed in the context of the project include novel methods for automatic chord identification, motif finding, the visualization of musical structure, and retrieval of musical variations using harmonic and structural information. Practical implications: The paper looks at new, non-verbal modes of interaction with digital music archives based on musically substantive features such as chords, motifs, rhythms, etc. By building more sophisticated dimensions of interactivity into a discovery-and-delivery system, these tools could give the end-user a more meaningful and rewarding experience. The tools potentially would be less costly and more scalable than textual annotation and markup, and their applicability extends beyond digital libraries to other music services. Originality/value: This article discusses the advantages and challenges posed by audio-based MIR and shows, via project-specific examples, its relevance to supporting the needs of digital music library users.

Original languageEnglish (US)
Pages (from-to)17-31
Number of pages15
JournalOCLC Systems and Services
Volume28
Issue number1
DOIs
StatePublished - Feb 2012

Fingerprint

Information retrieval
music
information retrieval
Digital libraries
Visualization
musician
interactive media
visualization
expert
methodology
interaction
Values
experience

Keywords

  • Audio recordings
  • Information retrieval
  • Multimedia
  • Music

ASJC Scopus subject areas

  • Information Systems
  • Education
  • Library and Information Sciences

Cite this

Improving access to digital music through content-based analysis. / Bello, Juan Pablo; Underwood, Kent.

In: OCLC Systems and Services, Vol. 28, No. 1, 02.2012, p. 17-31.

Research output: Contribution to journalArticle

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