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Content Driven Approaches (MPEG-7): Audio Descriptors (D‘s) and Descriptor Schemes (DS‘s)

• media based D’s (see BWF, and document type definitions)
• non-perceptual low-level audio characteristics
• perceptual low-level audio characteristics (psychoacoustics)
• high-level audio characteristics (cognitive, content descriptors)

As far as MPEG-7 has already considered a structure for ”Obvious Audio D’s” four types of audio Ds have been proposed:

Acoustics Research Institute of the Austrian Academy of Sciences, Liebiggasse 5, A-1010 Vienna Phone: 043-1-4277-29500 Fax: 043-1-4277-9296 Email: wad@kfs.oeaw.ac.at http//www.kfs.oeaw.ac.at

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