Voice recognition
2016-08-23
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Voice recognition is a software progmming written in matlab for the sake of security that on ecan provide to any system In speech analysis, the voiced-unvoiced decision is usually performed in extracting the information from the speech signals. In this paper, we performed two methods to separate the voiced- unvoiced parts of speech from a speech signal. These are zero crossing rate (ZCR) and energy. In here, we evaluated the results by dividing the speech sample into some segments and used the zero crossing rate and energy calculations to separate the voiced and unvoiced parts of speech. The results suggest that zero crossing rates are low for voiced part and high for unvoiced part where as the energy i
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