Time/Presure Data (.csv) To wav for FFT

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Charles
Charles 2014-7-8
评论： Star Strider 2014-7-8
How do I use a CSV file to do a FFT? I Can do a FFT using excel. However, I keep hitting walls with matlab.
The goal is to us the fft to find component frequencies in order to attempt to reconstruct the recorded sound with the appropriate sin/cos wave functions.
Simply Recorded .03 seconds of a flute. Exported (from loggerPro) to .csv. In the tutorials we start with a wave file. I need to start with a .CSV and i am sad to say it was easy in excel.
If you can lead me to a good start point I will do the rest.
Thank you.
  1 个评论
Star Strider
Star Strider 2014-7-8
What ‘walls’ are you hitting with MATLAB?
How are you reading the CSV file?
How are you doing the fft?
Posting the relevant parts of the code you are using will help.

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