Music Digital Libraries Jon Dunn IU Digital Library

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Music Digital Libraries Jon Dunn IU Digital Library Program April 9, 2002

Music Digital Libraries Jon Dunn IU Digital Library Program April 9, 2002

What is a digital library? n DL as collection/information system n n n “a

What is a digital library? n DL as collection/information system n n n “a collection of information that is both digitized and organized” -- Mike Lesk, NSF “networked collections of digital text, documents, images, sounds, scientific data, and software” -- PITAC report DL as organization: n “an organization that provides the resources, including the specialized staff, to select, structure, offer intellectual access to, interpret, distribute, preserve the integrity of, and ensure the persistence over time of collections of digital works so that they are readily and economically available for use by a defined community or set of communities” -- Digital Library Federation

What is a digital library? n DLs extend beyond traditional libraries n n n

What is a digital library? n DLs extend beyond traditional libraries n n n Corporate documents Software/component libraries Commercial publishers Scientific datasets Geospatial datasets

IU Digital Library Program n Collaborative program begun in 1998 n n n Libraries

IU Digital Library Program n Collaborative program begun in 1998 n n n Libraries UITS SLIS Informatics “Dedicated to the selection, production, and maintenance of a wide range of high-quality networked resources for scholars and students at Indiana University and elsewhere”

IU Digital Library Program n Unify support for existing digital library projects n n

IU Digital Library Program n Unify support for existing digital library projects n n Variations: Music Library LETRS: Library Electronic Text Resource Service DIDO: Digital Images Delivered Online Foster creation of new projects and digital collections

Variations n n Digital library of music sound recordings and scores Online since 1996

Variations n n Digital library of music sound recordings and scores Online since 1996 Accessible in Music Library and other select locations - copyright Used daily by large student population

Original Concept n VARIATIONS name n n Theme and Variations Variety of information formats

Original Concept n VARIATIONS name n n Theme and Variations Variety of information formats for music Networked access for the music student or scholar to sound recordings, scores, textual materials, video recordings Initial focus on sound

The old way…

The old way…

Today

Today

Variations system n Digitization n n Storage n n CD-quality WAV converted to MPEG-1

Variations system n Digitization n n Storage n n CD-quality WAV converted to MPEG-1 layer 2 (MP 2) WAV and MP 2 files stored on tape in automated tape library Access n n Streaming audio IUCAT / course reserve lists

Collection n Currently: 7600 titles, 10, 000 hours of audio n n n 6

Collection n Currently: 7600 titles, 10, 000 hours of audio n n n 6 TB uncompressed 1. 7 TB compressed Opera, songs, instrumental music, jazz, rock, world music

Metadata n Descriptive n n n Structural n n n Used for discovery Example:

Metadata n Descriptive n n n Structural n n n Used for discovery Example: Library catalog Used for navigation Example: book: table of contents + page numbers, chapters, sections, etc. Administrative n Technical, preservation, rights management

Metadata in Variations n Descriptive n n Structural n n MARC records in IUCAT

Metadata in Variations n Descriptive n n Structural n n MARC records in IUCAT “Track files” Administrative n Administrative elements in track files

Demonstration

Demonstration

Digital Music Library (DML) n n n Four-year project: started October 1, 2000 Funding

Digital Music Library (DML) n n n Four-year project: started October 1, 2000 Funding from Digital Libraries Initiative – Phase 2 (DLI 2) program: NSF, NEH Interdisciplinary team n n n Faculty: Music, Information Science, Law, Computer Science Librarians and technologists: IU Libraries, University IT Services IUB and IUPUI campuses

DML Project Goals n n n Establish a digital library testbed system for music

DML Project Goals n n n Establish a digital library testbed system for music Develop user interface applications: music library, music instruction Conduct research: usability, metadata, intellectual property

DML: Users and Satellite Sites n University User Groups n n n Faculty: teaching,

DML: Users and Satellite Sites n University User Groups n n n Faculty: teaching, course design, research Students: coursework, independent study Music librarians Other library users Satellite Sites n n n USA, UK, and Japan Remote access Evaluation…potential for co-development

DML System Features n New content formats n n Improved search capabilities n n

DML System Features n New content formats n n Improved search capabilities n n New descriptive metadata Links between objects n n n Sound, score image, score notation, MIDI, video Easily navigate from score to sound Synchronized playback/navigation Customization n Bookmarking, annotation

DML System Features n Network n n Support for wide range of network technologies

DML System Features n Network n n Support for wide range of network technologies and bandwidths: LAN, Internet 2, remote access Access control n To be determined by copyright

DML System Features n Component-based architecture n Support development of applications via reusable components:

DML System Features n Component-based architecture n Support development of applications via reusable components: n n n n Search tool Audio player Score image viewer Score notation viewer/player Digital Timeliner … User-appropriate interfaces

DML Version One n n Scheduled for Spring 2002 Features n n Low level

DML Version One n n Scheduled for Spring 2002 Features n n Low level “plumbing”: data/metadata repositories New (improved? ) search and retrieval n n n Based on new data model Presentation/navigation of audio and scanned scores Bookmarking

DML V 1 Technical Environment n n n Java client application / RMI servers

DML V 1 Technical Environment n n n Java client application / RMI servers Windows and Mac OS X client platforms Unix server Quick. Time for Java, Darwin Streaming Server IBM DB 2 AT&T Dj. Vu image compression

Features for future versions n n n Notation Additional image, audio formats Synchronization Instructional

Features for future versions n n n Notation Additional image, audio formats Synchronization Instructional authoring, presentation, and lesson interface Refined, enhanced bibliographic search Integration of content-based information retrieval tools

DML: Improving music search n Traditional OPACs, integrated library systems, cataloging practices not ideal

DML: Improving music search n Traditional OPACs, integrated library systems, cataloging practices not ideal for music n n Large number of works by single author Multiple works in single container Multiple roles of “authors” Importance of work: uniform titles n n Problems with Library of Congress subject headings n n Many variant forms of titles e. g. “Songs (High voice) with orchestra, Arranged” Isolating / sorting by format

DML: Improving music search n New data model n n Better represents musical relationships

DML: Improving music search n New data model n n Better represents musical relationships Faceted classification, music thesaurus Support for structural linking New search interface n Supports disambiguation

Data Model Objects n Work n n Instantiation n n Entire recording, score Media

Data Model Objects n Work n n Instantiation n n Entire recording, score Media Object n n Recording or score of individual work Container n n Musical composition Sound file, image file set, notation file, etc. Contributor n Performer, conductor, composer

WORK Is manifested in INSTANTIATION CONTRIBUTOR CONTAINER MEDIA OBJECT

WORK Is manifested in INSTANTIATION CONTRIBUTOR CONTAINER MEDIA OBJECT

WORK INSTANTIATION Is enclose d in CONTRIBUTOR CONTAINER MEDIA OBJECT

WORK INSTANTIATION Is enclose d in CONTRIBUTOR CONTAINER MEDIA OBJECT

WORK INSTANTIATION CONTRIBUTOR CONTAINER Is represented by MEDIA OBJECT

WORK INSTANTIATION CONTRIBUTOR CONTAINER Is represented by MEDIA OBJECT

WORK Is manifested in INSTANTIATION CONTRIBUTOR Is enclose d in Is create d by

WORK Is manifested in INSTANTIATION CONTRIBUTOR Is enclose d in Is create d by CONTAINER Is represented by MEDIA OBJECT

METADATA TYPES Descriptive Metadata Administrative Metadata Structural Metadata

METADATA TYPES Descriptive Metadata Administrative Metadata Structural Metadata

CONTRIBUTOR Role(s) Uniform Name Variant Name(s) Date(s) Variant Date(s) Place of Origin Note(s) Related

CONTRIBUTOR Role(s) Uniform Name Variant Name(s) Date(s) Variant Date(s) Place of Origin Note(s) Related Resource(s) ID Record Creation Last Record Update Record Status

WORK Type Uniform Title Variant Title(s) Date of Composition Place of Composition Date of

WORK Type Uniform Title Variant Title(s) Date of Composition Place of Composition Date of First Performance Date of First Publication Original Text Title Language(s) Subject Heading(s) Class Number Instrumentation Genre, Form, and Style Key Note(s) Related resource(s) Work Structure ID Contribution(s) Related Work(s) Copyright Declaration(s) Performing Rights Society Work Number Public Domain Record Creation Last Record Update Record Status

CONTAINER Title(s) INSTANTIATION MEDIA OBJECT Title ID Document Description Parent Container Edition Subject Heading(s)

CONTAINER Title(s) INSTANTIATION MEDIA OBJECT Title ID Document Description Parent Container Edition Subject Heading(s) File Format Publisher/Plate Numbers Class Number Compression Document Description(s) Instrumentation Bit Depth Uniform Series Title Publisher Language(s) Date of Publication Date of Copyright Genre, Form, and Style Language(s) Place of Publication Note(s) Date(s) of Performance Container Structure ID Contribution(s) Place of Performance Extent Resolution Number of Channels Sample Size Sample Rate Hardware/Software Date Digitized By Contained Collective Works Contained Media Objects Note(s) Record Creation ID Contained Instantiations Last Record Update Contribution(s) Record Status Manifested Work Number of Accesses Contained File(s) Structural Binding Physical Identification Condition Completeness Indicator Holding Status Parent Container ISBN Structural Binding MCN/EAN/UPC ISMN Copyright Declaration(s) Public Domain Record Creation Last Record Update Record Status

For more information… n Digital Library Program n n Variations n n http: //www.

For more information… n Digital Library Program n n Variations n n http: //www. dlib. indiana. edu/variations/ Digital Music Library n n http: //www. dlib. indiana. edu/ http: //dml. indiana. edu/ E-mail: [email protected] edu