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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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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ICALIP 2008 - 2008 International Conference on Audio, Language and Image Processing, Proceedings, p. 449-454.
