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309

answers:

1
Q: 

How to convert from Inverse Fast Fourier Transform to .wav?

Hello,

I used made a fft to make a band pass filter. After that I made the ifft to inverse it and pass it to time domain.

My ifft has the same length of the fft.

The ifft must be longer or is there a way to make it longer? How do I pass this ifft to .wav?

A: 

The WAV file format is documented pretty well (see below). It's basically some header information followed by the raw sample data.

first result with Google: https://ccrma.stanford.edu/courses/422/projects/WaveFormat/

acronica  2009-11-04 12:42:36
In the data I just need to put the result from IFFT?Or do I need to make something to IFFT first?
aF  2009-11-04 13:08:50
Yeah, I would think so. If it's a normal sampled audio signal it's quite easy to check.
acronica  2009-11-04 16:09:28

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