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Spectrum peak and floor dB are now displayed

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Charles J. Cliffe
2015-08-17 21:52:38 -04:00
parent 44621e42ea
commit 62858abbf5
17 changed files with 336 additions and 250 deletions
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src/process/SpectrumVisualProcessor.cpp
+1 -4
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@@ -283,9 +283,6 @@ void SpectrumVisualProcessor::process() {
}
}
fft_ceil += 0.25;
fft_floor -= 1;
fft_ceil_ma = fft_ceil_ma + (fft_ceil - fft_ceil_ma) * 0.05;
fft_ceil_maa = fft_ceil_maa + (fft_ceil_ma - fft_ceil_maa) * 0.05;
@@ -293,7 +290,7 @@ void SpectrumVisualProcessor::process() {
fft_floor_maa = fft_floor_maa + (fft_floor_ma - fft_floor_maa) * 0.05;
for (int i = 0, iMax = fftSize; i < iMax; i++) {
float v = (log10(fft_result_maa[i] - fft_floor_maa) / log10(fft_ceil_maa - fft_floor_maa));
float v = (log10(fft_result_maa[i]+0.25 - (fft_floor_maa-1.0)) / log10((fft_ceil_maa+0.25) - (fft_floor_maa-1.0)));
output->spectrum_points[i * 2] = ((float) i / (float) iMax);
output->spectrum_points[i * 2 + 1] = v;
}