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| author | Ludovic Pouzenc <ludovic@pouzenc.fr> | 2012-06-16 21:16:46 +0000 |
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| committer | Ludovic Pouzenc <ludovic@pouzenc.fr> | 2012-06-16 21:16:46 +0000 |
| commit | 593e1cbe3470f409c19a7f06f5d10c6f5677361a (patch) | |
| tree | 94ef0cbc5e13e71e11a13629b64ecfc126faa5a1 /tests/test6/fft.h | |
| parent | 8f2cf274f4101ed1d05ea3401bdd54c5949e2420 (diff) | |
| download | 2012-violon-leds-593e1cbe3470f409c19a7f06f5d10c6f5677361a.tar.gz 2012-violon-leds-593e1cbe3470f409c19a7f06f5d10c6f5677361a.tar.bz2 2012-violon-leds-593e1cbe3470f409c19a7f06f5d10c6f5677361a.zip | |
Bon, calcul du niveau sonore dans la plage 200 à 2000Hz en reprennant les choses calmement. Il n'est pas impossible que les valeurs soient bonnes :P
git-svn-id: file:///var/svn/2012-violon-leds/trunk@19 6be1fa4d-33ac-4c33-becc-79fcb3794bb6
Diffstat (limited to 'tests/test6/fft.h')
| -rw-r--r-- | tests/test6/fft.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tests/test6/fft.h b/tests/test6/fft.h new file mode 100644 index 0000000..6066d52 --- /dev/null +++ b/tests/test6/fft.h @@ -0,0 +1,19 @@ +#ifndef FFT_H +#define FFT_H + +/* Everything here comes from Audacity 1.3.13 + (orignally in C++ and with more genericity and functionnality) + Original Author : Dominic Mazzoni + Licenced under GPL 2.0 (see LICENCE) +*/ + +#define PSNumS 256 +#define PSHalf 128 +void PowerSpectrum(float In[PSNumS], float Out[PSHalf]); + +void FFT(int NumSamples, int InverseTransform, + float *RealIn, float *ImagIn, float *RealOut, float *ImagOut); +void DeinitFFT(); + +#endif + |