form matlab
The point 1 to 4000
form youtube video
Fs = 8000;
recorder = audiorecorder(Fs, 16, 1);
recordblocking (recorder, Sec);
audioarray = getaudiodata(recorder);
wavplay(audioarray, Fs);
t = [0: length(audioarray)-1]./Fs;
plot (t, audioarray);
xlabel('sec', 'FontSize', 32);
wavwrite(audioarray, Fs, 'Summer.wav');
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