Violin Timbre Space Features
نویسندگان
چکیده
Steps towards the development of a violin teaching aid which is based on violin pedagogy, sound analysis, and comparison of beginner and good player recordings was presented in [1]. The relationship between timbre and playing technique has been explored and five main beginner faults have been determined. Briefly, the tone fault categories are onsets, offsets, amplitude, unevenness and asymmetry about the x-axis which may contain undesirable sounds such as squeaks, crunches, skating and nervousness. Features which best describe these faults for classification purposes are considered in this paper. This involves getting a suitable set of features which can describe quantitatively the qualitative and subjective nature of violin playing quality. Many features, although very useful in determining one instrument from another [2, 3], are not appropriate for catching the subtleties due to playing technique or for use within a timbre space. Results have been obtained clearly showing that it is possible for a computer to differentiate between recordings of a beginner note and a good player legato note played on a violin [4]. Further signal processing methods will be considered in this paper to find features which best describe violin sound within its timbre space.
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