@Override
public boolean process(AudioEvent audioEvent) {
float[] audioFloatBuffer = audioEvent.getFloatBuffer();
float[] transformbuffer = new float[bufferSize * 2];
System.arraycopy(audioFloatBuffer, 0, transformbuffer, 0, audioFloatBuffer.length);
fft.forwardTransform(transformbuffer);
fft.modulus(transformbuffer, amplitudes);
panel.drawFFT(pitch, amplitudes, fft);
panel.repaint();
return true;
}
@Override
public boolean process(AudioEvent audioEvent) {
float[] audioFloatBuffer = audioEvent.getFloatBuffer();
int overlap = audioEvent.getOverlap();
for (int i = overlap; i < audioFloatBuffer.length; i++) {
if (position >= echoBuffer.length) {
position = 0;
}
// output is the input added with the decayed echo
audioFloatBuffer[i] = audioFloatBuffer[i] + echoBuffer[position] * decay;
// store the sample in the buffer;
echoBuffer[position] = audioFloatBuffer[i];
position++;
}
applyNewEchoLength();
return true;
}
