Automatic Transcription of Polyphonic Music Based on Constant-q Bispectral Analysis for Mirex 2009
نویسندگان
چکیده
This paper describes a new method submitted for MIREX 2009 task: Multiple Fundamental Frequency Estimation & Tracking. Specifically, it is submitted for the first two subtasks: frame by frame evaluation and event contour detection and tracking. In this framework [1], multiple-F0 estimation is carried out by means of a front-end that jointly uses a constant-Q and a bispectral (higher-order spectra) analysis of the input audio signal; subsequently, the processed signal is correlated with a fixed two-dimensional harmonic pattern. Onset and duration detection procedures are based on the combination of the constant-Q bispectral analysis with information from the signal spectrogram.
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