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Sparse Fast Fourier Transform, The faster-than-fast Fourier transform
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post Feb 10 2012, 19:55
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From: Argentina
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I don't know if this topic was already mentioned here (I wasn't able to find it).

Somebody here could find it interesting:

MIT news article: The faster-than-fast Fourier transform

sFFT web page: sFFT: Sparse Fast Fourier Transform

Best regards.

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post Sep 23 2012, 10:26
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From: Zagreb
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I remember, few years ago, experimenting with encoding (or decoding) audio to some codec, vorbis, mp3, I can't remember, with the use of external fft dll someone compiled and posted here on HA. It was faster.
But I can't find the thread.
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