I have a file named “message.txt” containing the waveform of a voice message embedded in a sinusoid with frequency of 220 Hz, and the sampling frequency is 22000 Hz.
load the file, and the speech heard
load message.txt soundsc(message, 22000)
the spectrum of message,where the magnitude plot of the Fourier transform for message versus frequency in Hz, is observed using the following code
how can i find the dominant frequency of message with the use of the command max?
C = max(freq_index)
it does not work
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