xdsopl/robot36
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start spectrum at 140 Hz so we can see up to 2700 Hz

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This commit is contained in:
Ahmet Inan 2025-02-25 14:25:27 +01:00
parent f081bbddfd
commit 1bd3d05782
1 changed files with 1 additions and 1 deletions
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app/src/main/java/xdsopl/robot36/MainActivity.java
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@ -220,7 +220,7 @@ public class MainActivity extends AppCompatActivity {
double highest = Math.log(1); double highest = Math.log(1);
double range = highest - lowest; double range = highest - lowest;
for (int i = 0; i < stride; ++i) for (int i = 0; i < stride; ++i)
freqPlotBuffer.pixels[line + i] = rainbow((Math.log(stft.power[i]) - lowest) / range); freqPlotBuffer.pixels[line + i] = rainbow((Math.log(stft.power[i + 14]) - lowest) / range);
System.arraycopy(freqPlotBuffer.pixels, line, freqPlotBuffer.pixels, line + stride * (freqPlotBuffer.height / 2), stride); System.arraycopy(freqPlotBuffer.pixels, line, freqPlotBuffer.pixels, line + stride * (freqPlotBuffer.height / 2), stride);
freqPlotBuffer.line = (freqPlotBuffer.line + 1) % (freqPlotBuffer.height / 2); freqPlotBuffer.line = (freqPlotBuffer.line + 1) % (freqPlotBuffer.height / 2);
} }