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TIVlib an open-source library for the tonal description of musical audio

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Document pages: 6 pages

Abstract: In this paper, we present TIV.lib, an open-source library for thecontent-based tonal description of musical audio signals. Its main noveltyrelies on the perceptually-inspired Tonal Interval Vector space based on theDiscrete Fourier transform, from which multiple instantaneous and globalrepresentations, descriptors and metrics are computed - e.g., harmonic change,dissonance, diatonicity, and musical key. The library is cross-platform,implemented in Python and the graphical programming language Pure Data, and canbe used in both online and offline scenarios. Of note is its potential forenhanced Music Information Retrieval, where tonal descriptors sit at the coreof numerous methods and applications.

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