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Sound pressure: modified correction factors for PDM and analog

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Frank
2023-04-10 03:29:59 +02:00
committed by GitHub
parent 61949cfdc8
commit 8ba43b63ec
1 changed files with 2 additions and 2 deletions
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4
usermods/audioreactive/audio_reactive.h
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@@ -1268,9 +1268,9 @@ class AudioReactive : public Usermod {
// take the max sample from last I2S batch.
float micSampleMax = fabsf(sampleReal); // from getSample() - nice results, however a bit distorted by MicLev processing
//float micSampleMax = fabsf(micDataReal); // from FFTCode() - better source, but more flickering
if (dmType == 0) micSampleMax *= 4.0f; // correction for ADC analog
if (dmType == 0) micSampleMax *= 2.0f; // correction for ADC analog
if (dmType == 4) micSampleMax *= 16.0f; // correction for I2S Line-In
if (dmType == 5) micSampleMax *= 4.0f; // correction for PDM
if (dmType == 5) micSampleMax *= 2.0f; // correction for PDM
// make sure we are in expected ranges
if(micSampleMax <= sampleMin) return 0.0f;
if(micSampleMax >= sampleMax) return 255.0f;