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added Blackman window

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Frank
2024-07-05 15:37:03 +02:00
parent cba883c663
commit bd997f7056
1 changed files with 5 additions and 0 deletions
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5
usermods/audioreactive/audio_reactive.h
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@@ -704,6 +704,10 @@ void FFTcode(void * parameter)
FFT.windowing( FFTWindow::Nuttall, FFTDirection::Forward); FFT.windowing( FFTWindow::Nuttall, FFTDirection::Forward);
wc = 0.9916873881f; // 2.8163172034 * 2.0 wc = 0.9916873881f; // 2.8163172034 * 2.0
break; break;
case 5:
FFT.windowing( FFTWindow::Blackman, FFTDirection::Forward);
wc = 0.84762867875f; // 2.3673474360 * 2.0
break;
case 3: case 3:
FFT.windowing( FFTWindow::Hamming, FFTDirection::Forward); FFT.windowing( FFTWindow::Hamming, FFTDirection::Forward);
wc = 0.664159180663f; // 1.8549343278 * 2.0 wc = 0.664159180663f; // 1.8549343278 * 2.0
@@ -2975,6 +2979,7 @@ class AudioReactive : public Usermod {
oappend(SET_F("addOption(dd,'Blackman-Harris (MM standard)',0);")); oappend(SET_F("addOption(dd,'Blackman-Harris (MM standard)',0);"));
oappend(SET_F("addOption(dd,'Hann (balanced)',1);")); oappend(SET_F("addOption(dd,'Hann (balanced)',1);"));
oappend(SET_F("addOption(dd,'Nuttall (more accurate)',2);")); oappend(SET_F("addOption(dd,'Nuttall (more accurate)',2);"));
oappend(SET_F("addOption(dd,'Blackman',5);"));
oappend(SET_F("addOption(dd,'Hamming',3);")); oappend(SET_F("addOption(dd,'Hamming',3);"));
oappend(SET_F("addOption(dd,'Flat-Top (AC WLED, inaccurate)',4);")); oappend(SET_F("addOption(dd,'Flat-Top (AC WLED, inaccurate)',4);"));