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Více informací o knize Instrument Timbres and Pitch Estimation in Polyphonic Music

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Anotace knihy

This text connects essential knowledge about music and human auditory perception with signal processing algorithms to solve the specific problem of pitch estimation. The designed algorithm obtains an estimate of the magnitude spectrum via STFT and models the harmonic structure of each pitch contained in the magnitude spectrum with Gaussian density mixtures, whose parameters are subsequently estimated via an Expectation-Maximization (EM) algorithm. Heuristics for EM initialization are formulated mathematically. A prototype was implemented in MATLAB, featuring a GUI that provides for visual (spectrogram) and numerical (console) verification of results. The algorithm was tested using an array of data ranging from single to triple superposed instrument recordings. Its advantages and limitations are discussed, and a brief outlook over potential future research is given.

Parametry knihy

Zařazení knihy Knihy v angličtině The arts Music

• Plný název: Instrument Timbres and Pitch Estimation in Polyphonic Music
• Autor: Dominik Loeffler
• Jazyk: Angličtina
• Vazba: Brožovaná
• Počet stran: 80
• EAN: 9783836462976
• ISBN: 3836462974
• ID: 06996487
• Nakladatelství: VDM Verlag Dr. Mueller E.K.
• Hmotnost: 118 g
• Rozměry: 229 × 152 × 4 mm
• Datum vydání: 21. April 2008

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