Pitch detection algorithms based on zero-cross rate and autocorrelation function for musical notes
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Institute of Electrical and Electronics Engineers (IEEE)
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Resumo
This paper discusses two pitch detection algorithms (PDA) for simple audio signals which are based on zero-cross rate (ZCR) and autocorrelation function (ACF). As it is well known, pitch detection methods based on ZCR and ACF are widely used in signal processing. This work shows some features and problems in using these methods, as well as some improvements developed to increase their performance. © 2008 IEEE.
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Audio signals , Auto-correlation function , International conferences , Musical notes , Pitch detection , Algorithms , Correlation detectors , Digital image storage , Image processing , Imaging systems , Imaging techniques , Linguistics , Optical data processing , Regression analysis , Signal processing , Signal detection
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Inglês
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ICALIP 2008 - 2008 International Conference on Audio, Language and Image Processing, Proceedings, p. 449-454.
