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Discussion Groups | Analog Devices DSPs | Algorithm Real FFT/IFFT

Technical discussions related to Analog Devices DSPs (including Blackfin, TigerSHARC, SHARC and ADSP-21xx DSPs).

  

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Algorithm Real FFT/IFFT - Dmitry - Dec 8 11:24:00 1999

Hi All.

I use ADSP-21xx for audio applications. I must to transform ADC data
to the power spectrum, to modify the spectrum and to trasform it back.
Therefore, I need in the detailed FFT and IFFT of real data. How to
pass from real data to complex correct? Standard fft() and ifft() from
the ADI has small uncorrect details. If you used FFT and IFFT success,
please send me only algorithm.

Best Regards, Dmitry.



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