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audio analyzer tuned

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This commit is contained in:
Harrison Deng
2017-07-13 16:32:06 -05:00
parent c3e72ef86b
commit 4646032e60
3 changed files with 19 additions and 20 deletions
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25
core/src/zero1hd/polyjet/audio/AudioAnalyzer.java
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@@ -64,17 +64,17 @@ public class AudioAnalyzer {
int tasksDone = 0;
int totalTasks = audioData.getSampleCount()/audioData.getReadWindowSize();
bassThresholdMultiplier = 2.7f;
bassThresholdMultiplier = 2.6f;
umThresholdMultiplier = 2f;
bassBinBegin = 2;
bassBinEnd = 17;
bassBinBegin = 7;
bassBinEnd = 20;
UMBinBegin = 300;
UMBinEnd = 450;
UMThresholdCalcRange = thresholdRangeCalc(0.6f);
bassThresholdCalcRange = thresholdRangeCalc(0.7f);
bassThresholdCalcRange = thresholdRangeCalc(0.4f);
UMThresholdCalcRange = thresholdRangeCalc(0.7f);
Gdx.app.debug("Read freq", String.valueOf(audioData.getFormat().getSampleRate()));
Gdx.app.debug("Using following bin ranges", "\nBass freq begin: " + bassBinBegin + "\nBass freq end: " + bassBinEnd + "\nMain freq begin: " + UMBinBegin + "\nMain freq end: " + UMBinEnd);
@@ -110,16 +110,16 @@ public class AudioAnalyzer {
//bass detection
fluxVal = 0;
for (int i = bassBinBegin; i < bassBinEnd && work; i++) {
fluxVal += ((spectrum[i] - lastSpectrum[i])) > 0
? (spectrum[i] - lastSpectrum[i]) : 0;
fluxVal += ((spectrum[i] - lastSpectrum[i])) < 0
? 0 : (spectrum[i] - lastSpectrum[i]);
}
bassSpectralFlux.add(fluxVal);
//main detection
fluxVal = 0;
for (int i = UMBinBegin; i < UMBinEnd && work; i++) {
fluxVal += ((spectrum[i] - lastSpectrum[i])) > 0
? (spectrum[i] - lastSpectrum[i]) : 0;
fluxVal += ((spectrum[i] - lastSpectrum[i])) < 0
? 0 : (spectrum[i] - lastSpectrum[i]);
}
umSpectralFlux.add(fluxVal);
tasksDone++;
@@ -199,12 +199,12 @@ public class AudioAnalyzer {
float umBeats = 0;
avgBPS = -1f;
for (int i = 0; i < umPrunned.size-1 && work; i++) {
bassPeaks.add((bassPrunned.get(i) > bassPrunned.get(i+1) ? bassPrunned.get(i) : 0));
bassPeaks.add((bassPrunned.get(i) > bassPrunned.get(i+1) ? bassPrunned.get(i) : 0f));
if (bassPeaks.get(i) > bassMaxValue) {
bassMaxValue = bassPeaks.get(i);
}
umPeaks.add((umPrunned.get(i) > umPrunned.get(i+1) ? umPrunned.get(i) : 0));
umPeaks.add((umPrunned.get(i) > umPrunned.get(i+1) ? umPrunned.get(i) : 0f));
if (umPeaks.get(i) > UMMaxValue) {
UMMaxValue = umPeaks.get(i);
}
@@ -305,8 +305,7 @@ public class AudioAnalyzer {
}
private int thresholdRangeCalc(float durationOfRange) {
float timePerWindow = (float)audioData.getReadWindowSize()/audioData.getFormat().getSampleRate();
return (int) (durationOfRange/timePerWindow);
return (int) (durationOfRange/(audioData.getReadWindowSize()/audioData.getFormat().getSampleRate()));
}
public float getBassMaxValue() {

2
core/src/zero1hd/polyjet/audio/map/RhythmMapAlgorithm.java
View File

@@ -55,7 +55,7 @@ public class RhythmMapAlgorithm implements Runnable {
int warningTime = (int) ((3/speedMod)*windowPerSecond);
if ((index+warningTime <= bassPeaks.size) && bassPeaks.get(index + warningTime) >= avgBass) {
//TODO basic void circle spawning
float endRadius = overlappedPeaks.get(index + warningTime)*Polyjet.GAME_AREA_WIDTH;
float endRadius = overlappedPeaks.get(index + warningTime)*Polyjet.GAME_AREA_HEIGHT;
map.addToMap(Entities.VOID_CIRCLE,
endRadius,