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http://dx.doi.org/10.5392/JKCA.2012.12.11.009

Automatic Music Transcription Considering Time-Varying Tempo  

Ju, Youngho (전북대학교 전자정보공학부 컴퓨터공학)
Babukaji, Baniya (전북대학교 전자정보공학부 컴퓨터공학)
Lee, Joonwhan (전북대학교 전자정보공학부 컴퓨터공학)
Publication Information
The Journal of the Korea Contents Association / v.12, no.11, 2012 , pp. 9-19 More about this Journal
Abstract
Time-varying tempo of a song is one of the error sources for the identification of a note duration in automatic music recognition. This paper proposes an improved music transcription scheme equipped with the identification of note duration considering the time-varying tempo. In the proposed scheme the measures are found at first and the tempo, the playing time of each measure, is then estimated. The tempo is then used for resizing each IOI(Inter Onset Interval) length and considered to identify the accurate note duration, which increases the degree of correspondence to the music piece. In the experiment the proposed scheme found the accurate measure position for 14 monophonic children songs out of 16 ones recorded by men and women. Also, it achieved about 89.4% and 84.8% of the degree of matching to the original music piece for identification of note duration and pitch, respectively.
Keywords
Automatic Music Transcription; Finding Measure Position; Time-varying Tempo of Song;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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