A Music Transcription Algorithm Applying State Estimation and Parameter Identification on the Time-frequency Plane

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概要

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• An algorithm is proposed for a music transcription system that displays notes and rests on a music staff. It is able to process multivoice music, which includes chords and counterpoint. The system first projects the sound onto the time-frequency plane by applying the Gabor wavelet transform, and then identifies tempo and duration by autocorrelation of the projection. Next, it uses the fundamental frequencies of simultaneously played tones to estimate the note. A state estimation technique is used to handle instrument-dependent harmonics.

著者

• Tanaka Daisuke

  Graduate School Of Agriculture Sciences And Cryobiosystem Research Center Iwate University

• Tanaka Daisuke

  Graduate School of Information Science, Nara Institute of Science and Technology

• FUKAYAMA Yukio

  Faculty of Engineering, Hiroshima Institute of Technology

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• A Music Transcription Algorithm Applying State Estimation and Parameter Identification on the Time-frequency Plane

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