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Question
What is the restriction of using FFT ?
I read a paper saying Fourier analysis restriction : System must be linear; data must be strictly periodic or stationary otherwi...
10 years ago | 2 answers | 1
2
answersQuestion
Need help to determine stopband
I got a frequency of 6 - 16 Hz to pass through. but how do i determine what is my stopband? xd = double(myRecording); ...
10 years ago | 1 answer | 0
1
answerQuestion
How to create low pass filter for audio file?
How do i create a low pass filter for an audio file? I would like to keep 20 Hz and below Sampling rate 8000 Hz Thanks
10 years ago | 2 answers | 0
2
answersQuestion
Need some explaining on signal processing terms
I need some explaining on certain terms in signal processing which I don't understand: 1. What is windowing ? Is it to analys...
11 years ago | 1 answer | 0
1
answerQuestion
How to find spectrum envelope from wav file
How do I measure the energy change of the spectrum envelope 20 - 40 hz from from a wav file and plot it to graph? my recording i...
11 years ago | 2 answers | 0
2
answersQuestion
find power of signal
Hi, how do i find total power of signal from a wav file and display it on axes ? I currently only have this. [myRecording,fs]...
11 years ago | 2 answers | 0
