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authorDimitri Sokolyuk <demon@dim13.org>2013-04-01 21:49:36 +0000
committerDimitri Sokolyuk <demon@dim13.org>2013-04-01 21:49:36 +0000
commit16fbd046449e8a5235a91b80c2bbe8b043cf775e (patch)
treeb4adefa3a66cab1124f0080dea51a56428294a6e
parentdf404c758c60445f4969e2b06f298ea103f0cfa5 (diff)
extend range of low pass
-rw-r--r--spectrogram.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/spectrogram.c b/spectrogram.c
index 7e645e2..7062a96 100644
--- a/spectrogram.c
+++ b/spectrogram.c
@@ -48,7 +48,7 @@ SDL_Rect sp_left, sp_right; /* spectrogram */
SDL_Rect dl_lo, dl_mi, dl_hi; /* disco light */
/* Disco Light Frequencies
- * LOW 100-800 Hz
+ * LOW 50-800 Hz
* MID 500-2000 Hz
* HI 1500-5000 Hz
*/
@@ -167,7 +167,7 @@ draw(double *left, double *right, int p, int step)
if (discolight) {
av = pow(left[x] + right[x], 2.0);
- if (x >= 100 / step && x <= 800 / step)
+ if (x >= 50 / step && x <= 800 / step)
lo += av;
if (x >= 500 / step && x <= 2000 / step)
mi += av;
@@ -193,7 +193,7 @@ draw(double *left, double *right, int p, int step)
/* XXX */
if (discolight) {
- lo = sqrt(lo / (700 / step));
+ lo = sqrt(lo / (750 / step));
if (lo > p)
lo = p;
mi = sqrt(mi / (1500 / step));