@Test
public void testExtractFeaturesExtractsFeatures() {
Word w = new Word(0, 1, "test");
regions.add(w);
WavReader reader = new WavReader();
WavData wav = null;
try {
wav = reader.read(TEST_DIR + "/test.wav");
} catch (UnsupportedAudioFileException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (AuToBIException e) {
e.printStackTrace();
}
w.setAttribute("wav", wav);
try {
fe.extractFeatures(regions);
assertTrue(w.hasAttribute("spectrum"));
} catch (FeatureExtractorException e) {
fail();
}
}
@Test
public void testExtractFeaturesExtractsFeaturesCorrectly() {
Word w = new Word(0, 1, "test");
regions.add(w);
WavReader reader = new WavReader();
WavData wav = null;
try {
wav = reader.read(TEST_DIR + "/bdc-test.wav");
} catch (UnsupportedAudioFileException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (AuToBIException e) {
e.printStackTrace();
}
w.setAttribute("wav", wav);
try {
fe.extractFeatures(regions);
Spectrum s = (Spectrum) w.getAttribute("spectrum");
assertEquals(835, s.numFrames());
assertEquals(256, s.numFreqs());
// Assume that the spectrum extraction algorithm is tested in SpectrumExtractor.
// Here we'll make sure that the generated spectrum passes some sanity checks.
} catch (FeatureExtractorException e) {
fail();
}
}
@Override
public void extractFeatures(List regions) throws FeatureExtractorException {
for (Region r : (List<Region>) regions) {
if (r.hasAttribute(f1) && r.hasAttribute(f2)) {
Contour c1, c2;
try {
c1 = ContourUtils.getSubContour((Contour) r.getAttribute(f1), r.getStart(), r.getEnd());
c2 = ContourUtils.getSubContour((Contour) r.getAttribute(f2), r.getStart(), r.getEnd());
} catch (AuToBIException e) {
throw new FeatureExtractorException(e.getMessage());
}
r.setAttribute("rmse[" + f1 + "," + f2 + "]", contourRMSE(c1, c2));
r.setAttribute("meanError[" + f1 + "," + f2 + "]", contourError(c1, c2));
}
}
}