Description: Audio signal processing: Import a duration of several seconds of the audio signal to obtain a frequency fs, and the amplitude A of the audio file, the time-domain diagram of a display signal, and frequency spectrum, the frequency fs/3, amplitude noise 2A, analysis , display and playback of the noise always domain diagram and frequency spectrum, and the signal after the noise filtering time-domain diagram and spectrum FIG.
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demo
....\Windows Logon Sound.wav
....\Windows Notify.wav
....\a.wav
....\desktop.ini
....\f1.m
....\filterwx.fda
....\filterwx.m
....\freesample.asv
....\freesample.fig
....\freesample.m
....\hs_err_pid3500.log
....\ifilter.m
....\mccExcludedFiles.log
....\myfilter.fda
....\readme.txt
....\wxfliter.m
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