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Real Time Microphone and Camera data acquisition and audio-video processing
- calculates the mean and std values of the zero crossing rate for each segment,... - zcr.m this function computes the zero crossing rate of an audio signal in a short-term basis (i.e.
http://www.mathworks.com/matlabcentral/fileexchange/18596
Short-time Energy and Zero Crossing Rate
Short-time Energy and Zero Crossing Rate
compute the short time energy (ste) and short-time zero crossing rate (stzcr) of a signal.... see the respective function help for more details. matlab 7.7 (r2008b) shorttime energy(3), shorttime zero crossing rate(2), signal processing(2), speech processing .
http://www.mathworks.com/matlabcentral/fileexchange/23571
Some Basic Audio Features
features statistics. energy entropy standard deviation (std). signal energy std by mean (average) ratio. zero crossing rate std. spectral rolloff std. spectral centroid std. spectral flux std by mean ratio.
http://www.mathworks.com/matlabcentral/fileexchange/19236
Manual Audio Annotation
it also provides the ability of calculating and plotting basic audio features (e.g. short time energy, zero crossing rate) of the selected audio segments. the following main areas are defined in the gui:. - file info: used for loading .
http://www.mathworks.com/matlabcentral/fileexchange/18378
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