MajenkoProjects/AudiobookRecorder
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Fix double apply gain shift in AGC

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This commit is contained in:
Matt Jenkins
2019-07-26 14:06:30 +01:00
parent 0a19d8d308
commit ea5520a729
1 changed files with 8 additions and 8 deletions
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16
src/uk/co/majenko/audiobookrecorder/AGC.java
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@@ -31,23 +31,23 @@ public class AGC implements Effect {
double absSampleLeft = Math.abs(samples[i][Sentence.LEFT]) * gain; double absSampleLeft = Math.abs(samples[i][Sentence.LEFT]) * gain;
double absSampleRight = Math.abs(samples[i][Sentence.RIGHT]) * gain; double absSampleRight = Math.abs(samples[i][Sentence.RIGHT]) * gain;
double factor = 0.0d;
if (absSampleLeft > ceiling) { if (absSampleLeft > ceiling) {
gain -= attack; factor = -attack;
if (gain < 0) gain = 0;
} }
if (absSampleRight > ceiling) { if (absSampleRight > ceiling) {
gain -= attack; factor = -attack;
if (gain < 0) gain = 0;
} }
if ((absSampleLeft < ceiling) && (absSampleRight < ceiling)) { if ((absSampleLeft < ceiling) && (absSampleRight < ceiling)) {
gain += decay; factor = decay;
if (gain > limit) {
gain = limit;
}
} }
gain += factor;
if (gain > limit) gain = limit;
samples[i][Sentence.LEFT] *= gain; samples[i][Sentence.LEFT] *= gain;
samples[i][Sentence.RIGHT] *= gain; samples[i][Sentence.RIGHT] *= gain;
} }