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Musical Instrument Recognition using Zero Crossing Rate and Short-time Energy

Sumit Kumar Banchhor, Arif Khan Published in Signal Processing

International Journal of Applied Information Systems
Year of Publication 2012
© 2010 by IJAIS Journal
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  1. Sumit Kumar Banchhor and Arif Khan. Article: Musical Instrument Recognition using Zero Crossing Rate and Short-time Energy. International Journal of Applied Information Systems 1(3):16-19, February 2012. BibTeX

    	author = "Sumit Kumar Banchhor and Arif Khan",
    	title = "Article: Musical Instrument Recognition using Zero Crossing Rate and Short-time Energy",
    	journal = "International Journal of Applied Information Systems",
    	year = 2012,
    	volume = 1,
    	number = 3,
    	pages = "16-19",
    	month = "February",
    	note = "Published by Foundation of Computer Science, New York, USA"


Traditionally, musical instrument recognition is mainly based on frequency domain analysis (sinusoidal analysis, cepstral coefficients) and shape analysis to extract a set of various features. Instruments are usually classified using k-NN classifiers, HMM, Kohonen SOM and Neural Networks. Recognition of musical instruments in multi-instrumental, polyphonic music is a difficult challenge which is yet far from being solved. Successful instrument recognition techniques in solos (monophonic or polyphonic recordings of single instruments) can help to deal with this task. We introduce an instrument recognition process in solo recordings of a set of instruments (flute, guitar and harmonium), which yields a high recognition rate. A large solo database is used in order to encompass the different sound possibilities of each instrument and evaluate the generalization abilities of the classification process. The basic characteristics are computed in 1sec interval and result shows that the estimation of zero crossing rate and short time energy reflects more effectively the difference in musical instruments.


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Musical Instrument classification, generalization, zero crossing rate, short time energy