Daemian

自 2014 起处于活动状态

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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...

9 years 前 | 2 个回答 | 1

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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); ...

9 years 前 | 1 个回答 | 0

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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

9 years 前 | 2 个回答 | 0

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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...

9 years 前 | 1 个回答 | 0

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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...

9 years 前 | 2 个回答 | 0