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Noel Sharpe


Active since 2015

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How to change time to amplitude in a spectrogram?
Hi experts, I have created an 11k wav file and am reading it into MATLAB. From here I am using the data given from the wav fi...

8 years ago | 1 answer | 0

1

answer

Question


Hi experts, I am attempting to use a window function along side an FFT but cannot make sense of the result?
Firstly I have created a sine wave g = sin(2*pi*10000*t) + 0.5*sin(2*pi*20000*t) + 1*sin(2*pi*30000*t). When I use the FFT funct...

8 years ago | 0 answers | 0

0

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Question


Why is the amplitude of my signal after the FFT process not as i expected ?
Hi Experts, I have created my own sine wave and converted it into a WAV file. After I use the FFT process and plot my result...

8 years ago | 1 answer | 0

1

answer