Metadata for Audio 25th International AES Conference 17th to 19th June 2004 London UK
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Metadata for Audio

Poster CD5-5

An Opera Information System Based on MPEG-7

Oscar Celma Herrada, Enric Mieza
Universitat Pompeu Fabra, Barcelona, Spain

We present an implementation of the MPEG-7 standard for a multimedia content description of lyric opera in the context of the European IST project: OpenDrama. The project goals are the definition, development, and integration of a novel platform to author and deliver the rich cross-media digital objects of lyric opera. MPEG-7 has been used in OpenDrama as the base technology for a music information retrieval system. In addition to the MPEG-7 multimedia description scheme, different classification schemes have been proposed to deal with operatic concepts such as musical forms (acts, scenes, frames, introduction, etc.), musical indications (piano, forte, ritardando, etc.), and genre and creator roles (singers, musicians, production staff, etc.). Moreover, this project has covered the development of an authoring tool for an MPEG-7 standard, namely MDTools, which includes segmentation, classification scheme generation, creation and production, and media information descriptors.

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