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On the use of zero-crossing rate for an application of classification of percussive sounds

Title On the use of zero-crossing rate for an application of classification of percussive sounds
Publication Type Conference Paper
Year of Publication 2000
Authors Gouyon, F. , Pachet F. , & Delerue O.
Abstract We address the issue of automatically extracting rhythm descriptors from audio signals, to be eventually used in content-based musical applications such as in the context of MPEG7. Our aim is to approach the comprehension of auditory scenes in raw polyphonic audio signals without preliminary source separation. As a first step towards the automatic extraction of rhythmic structures out of signals taken from the popular music repertoire, we propose an approach for automatically extracting time indexes of occurrences of different percussive timbres in an audio signal. Within this framework, we found that a particular issue lies in the classification of percussive sounds. In this paper, we report on the method currently used to deal with this problem.
preprint/postprint document files/publications/dafx00-gouyon.pdf