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Question: I have audio samples and want to use WDL FFT library to analyse those samples. wht r steps?
Asked by ruchira (202.129.234.x) on January 13 2011, 9:32pm
Reply on January 14 2011, 12:44pm:

first, call WDL_fft_init(). Then create a buffer of WDL_FFT_COMPLEX, populate its real components with some audio, the imaginary with 0s, then optionally apply a windowing function, then call WDL_fft(), then you can access the results using WDL_fft_permute() to get the correct indices.

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