Metadata for Audio 25th International AES Conference 17th to 19th June 2004 London UK
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Paper T4-3

Tools for Content-Based Retrieval and Transformation of Audio Using MPEG-7: The SPOff and the MDTools

Emilia G�mez, Oscar Celma, Emilia G�mez, Fabien Gouyon, Perfecto Herrera, Jordi Janer, David Garc�a
University Pompeu Fabra, Barcelona, Spain

In this workshop we will demonstrate three applications for content-based retrieval and transformations of audio recordings. They illustrate diverse aspects of a common framework for music content description and structuring implemented using the MPEG-7 standard. MPEG-7 descriptions can be generated either manually or automatically and are stored in an XML database. Retrieval services are implemented in the database. A set of musical transformations are defined directly at the level of musically meaningful MPEG-7 descriptors and are automatically mapped onto low-level audio signal transformations. Topics included in the presentation are: (1) Description generation procedure, manual annotation of editorial description: the MDTools, automatic description of audio recordings, the SPOffline; (2) Retrieval functionalities, local retrieval: SPOffline, remote retrieval: web-based retrieval; and (3) Transformation utilities: the SPOffline.

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