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《Computer Knowledge and Technology》 2010-12
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Study of Humming Divide Technology According to Note

ZHONG Sheng-sheng1,FENG Yin2(1.Department of Computer Sinence of Xiamen University,Xiamen 361005,China;2.Department of Intelligence Science of Xiamen University,Xiamen 361005,China)  
Humming music is commonly a wave file,whose format is not conducive to be searched and found.When retrieving musical content by Humming music,humming documents need to be transformed to the format of pitch and time value,as the search keyword.These steps are built on that the singing has been cut by note basis points.This paper presents a multi-level note segmentation methods based on the amplitude of the energy,achieving rapid humming file segmentation.Energy-based partition method is characterized for simplicity and rapidity.Hierarchical classification approach can adopt the most appropriate method of segmentation due to the situation for a variety of different notes.This paper also discusses a note division method based on pitch recognition technology.
【CateGory Index】: TP391.42
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