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AR: change smoothing of FFTResult

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FFTResult smoothing changed; rising edges will be very quick, falling down is slower.
This commit is contained in:
Frank 2022-08-15 14:28:51 +02:00
parent 5a4713950c
commit 873e41dcfb
1 changed files with 14 additions and 7 deletions
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21
usermods/audioreactive/audio_reactive.h
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@ -41,9 +41,9 @@
#define DEBUGSR_PRINTF(x...)
#endif
// legacy support
#if defined(SR_DEBUG) && !defined(MIC_LOGGER) && !defined(NO_MIC_LOGGER)
#define MIC_LOGGER
#endif
// #if defined(SR_DEBUG) && !defined(MIC_LOGGER) && !defined(NO_MIC_LOGGER)
// #define MIC_LOGGER
// #endif
#include "audio_source.h"
@ -281,12 +281,19 @@ void FFTcode(void * parameter)
// Manual linear adjustment of gain using sampleGain adjustment for different input types.
fftCalc[i] *= soundAgc ? multAgc : ((float)sampleGain/40.0f * (float)inputLevel/128.0f + 1.0f/16.0f); //with inputLevel adjustment
// smooth results
//fftAvg[i] = fftCalc[i]*0.05f + 0.95f*fftAvg[i]; // will need approx 10 cycles (250ms) for converging against fftCalc[i]
fftAvg[i] = fftCalc[i] *0.1f + 0.9f*fftAvg[i]; // will need approx 5 cycles (125ms) for converging against fftCalc[i]
// smooth results - rise fast, fall slower
if(fftCalc[i] > fftAvg[i]) // rise fast
fftAvg[i] = fftCalc[i] *0.75f + 0.25f*fftAvg[i]; // will need approx 2 cycles (50ms) for converging against fftCalc[i]
else // fall slow
fftAvg[i] = fftCalc[i]*0.1f + 0.9f*fftAvg[i]; // will need approx 5 cycles (150ms) for converging against fftCalc[i]
//fftAvg[i] = fftCalc[i]*0.05f + 0.95f*fftAvg[i]; // will need approx 10 cycles (250ms) for converging against fftCalc[i]
// Now, let's dump it all into fftResult. Need to do this, otherwise other routines might grab fftResult values prematurely.
//fftResult[i] = constrain((int)fftCalc[i], 0, 254);
#if !defined(SOUND_DYNAMICS_LIMITER)
fftResult[i] = constrain((int)fftCalc[i], 0, 254);
#else
fftResult[i] = constrain((int)fftAvg[i], 0, 254);
#endif
}
#ifdef WLED_DEBUG