jeans/WLED
jeans/WLED
1
0
Fork 0
mirror of https://github.com/wled/WLED.git synced 2025-07-15 14:56:32 +00:00
Code Issues Packages Projects Releases Wiki Activity

audioreactive: workaround for ArduinoFFT bug 93

Browse Source 
This fix works around a problem that was solved in upstream ArduinoFFT 2.0.2
This commit is contained in:
Frank 2024-04-18 12:57:29 +02:00 committed by Frank
parent b3206121cc
commit b88c300d04
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
usermods/audioreactive/audio_reactive.h
View File

@ -282,6 +282,7 @@ void FFTcode(void * parameter)
//FFT.windowing(FFTWindow::Blackman_Harris, FFTDirection::Forward); // Weigh data using "Blackman- Harris" window - sharp peaks due to excellent sideband rejection
FFT.compute( FFTDirection::Forward ); // Compute FFT
FFT.complexToMagnitude(); // Compute magnitudes
vReal[0] = 0; // The remaining DC offset on the signal produces a strong spike on position 0 that should be eliminated to avoid issues.
FFT.majorPeak(&FFT_MajorPeak, &FFT_Magnitude); // let the effects know which freq was most dominant
FFT_MajorPeak = constrain(FFT_MajorPeak, 1.0f, 11025.0f); // restrict value to range expected by effects