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On the Robustness of Audio Features for Musical Instrument Classification
Citation key 1140Wegener2008
Author Sebastian Wegener and Martin Haller and Juan José Burred and Thomas Sikora and Slim Essid and Gaël Richard
Title of Book 16th European Signal Processing Conference, EUSIPCO 2008, Proceedings, Lausanne, Switzerland
Year 2008
Address Lausanne, Switzerland
Month aug
Note Oral presentation
Editor J.-Ph. Thiran, P. Vandergheynst, R. Reilly
Publisher EURASIP
Organization European Association for Signal Processing (EURASIP), Swiss Federal Institute of Technology Lausanne (EPFL)
Abstract We examine the robustness of several audio features applied exemplarily to musical instrument classification. For this purpose we study the robustness of 15 MPEG-7 Audio Low- Level Descriptors and 13 further spectral, temporal, and perceptual features against four types of signal modifications: low-pass filtering, coding artifacts, white noise, and reverberation. The robustness of the 120 feature coefficients obtained is evaluated with three different methods: comparison of rankings obtained by feature selection techniques, qualitative evaluation of changes in statistical parameters, and classification experiments using Gaussian Mixture Models(GMMs). These experiments are performed on isolated notes of 14 musical instrument classes.
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