Description: The function can make time-domain waveform and frequency spectrum, and calculate the gene frequency automatically determine the audio file is male or female voice.Ds function of the input variable is interval file name and down sampling, by interpolation approach to ensure that the original signal length, can draw the time domain and frequency domain of image and sound judgment, men and women, last played down after sampling the sound
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ds.m
man_or_woman.m
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