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- W2061336271 abstract "In this paper, a new perceptually motivated approach for pitch estimation in polyphonic musical audio is presented. The proposed algorithm is based on the pair-wise analysis of spectral peaks. Starting from a spectral representation of the audio signal, audible spectral peaks are selected with the help of a simplified psychoacoustic model. The idea of the technique lies in the identification of partials with a successive harmonic number (1 and 2, 2 and 3, etc.). Since two successive harmonics of a harmonic sound have a well-defined frequency ratio, a possible fundamental can be derived from the instantaneous frequencies of the two peaks. Furthermore, under certain conditions the harmonic integer ratios 5/3, 7/5, and 9/7 are also considered. Consecutively, the identified harmonic pairs are evaluated according to a perceptually motivated rating scheme, and the resulting pitch strengths are added to a pitch spectrogram. In addition to the efficient estimation of the fundamental frequency, the presented approach results in a quantitative prediction of the perceived pitch strength, allowing the identification of the predominant voices (e.g., melody and bass line) in music recordings. The method is robust in regard to the missing fundamental frequency phenomenon and works well with quasi-harmonic sounds." @default.
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- W2061336271 date "2007-11-01" @default.
- W2061336271 modified "2023-09-24" @default.
- W2061336271 title "A new strategy on pitch estimation in polyphonic musical audio" @default.
- W2061336271 doi "https://doi.org/10.1121/1.2942554" @default.
- W2061336271 hasPublicationYear "2007" @default.
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