/*
* (non-Javadoc)
*
* @see
* edu.cmu.sphinx.util.props.Configurable#newProperties(edu.cmu.sphinx.util
* .props.PropertySheet)
*/
@Override
public void newProperties(PropertySheet ps) throws PropertyException {
super.newProperties(ps);
loader = (Loader) ps.getComponent(PROP_LOADER);
try {
loader.load();
} catch (IOException e) {
throw new PropertyException(e);
}
initDataProcessors();
}
public AutoCepstrum(Loader loader) throws IOException {
initLogger();
this.loader = loader;
loader.load();
initDataProcessors();
}
private void initDataProcessors() {
try {
Properties featParams = loader.getProperties();
selectedDataProcessors = new ArrayList<DataProcessor>();
filterBank =
new MelFrequencyFilterBank(
Double.parseDouble((String) featParams.get("-lowerf")),
Double.parseDouble((String) featParams.get("-upperf")),
Integer.parseInt((String) featParams.get("-nfilt")));
selectedDataProcessors.add(filterBank);
if ((featParams.get("-remove_noise") != null)
&& (featParams.get("-remove_noise").equals("yes"))) {
denoise =
new Denoise(
Denoise.class.getField("LAMBDA_POWER").getAnnotation(S4Double.class).defaultValue(),
Denoise.class.getField("LAMBDA_A").getAnnotation(S4Double.class).defaultValue(),
Denoise.class.getField("LAMBDA_B").getAnnotation(S4Double.class).defaultValue(),
Denoise.class.getField("LAMBDA_T").getAnnotation(S4Double.class).defaultValue(),
Denoise.class.getField("MU_T").getAnnotation(S4Double.class).defaultValue(),
Denoise.class
.getField("EXCITATION_THRESHOLD")
.getAnnotation(S4Double.class)
.defaultValue(),
Denoise.class.getField("MAX_GAIN").getAnnotation(S4Double.class).defaultValue(),
Denoise.class
.getField("SMOOTH_WINDOW")
.getAnnotation(S4Integer.class)
.defaultValue());
// denoise.newProperties();
denoise.setPredecessor(selectedDataProcessors.get(selectedDataProcessors.size() - 1));
selectedDataProcessors.add(denoise);
}
if ((featParams.get("-transform") != null) && (featParams.get("-transform").equals("dct"))) {
dct =
new DiscreteCosineTransform2(
DiscreteCosineTransform.class
.getField("PROP_NUMBER_FILTERS")
.getAnnotation(S4Integer.class)
.defaultValue(),
DiscreteCosineTransform.class
.getField("PROP_CEPSTRUM_LENGTH")
.getAnnotation(S4Integer.class)
.defaultValue());
} else {
dct =
new DiscreteCosineTransform(
DiscreteCosineTransform.class
.getField("PROP_NUMBER_FILTERS")
.getAnnotation(S4Integer.class)
.defaultValue(),
DiscreteCosineTransform.class
.getField("PROP_CEPSTRUM_LENGTH")
.getAnnotation(S4Integer.class)
.defaultValue());
}
dct.setPredecessor(selectedDataProcessors.get(selectedDataProcessors.size() - 1));
selectedDataProcessors.add(dct);
if (featParams.get("-lifter") != null) {
lifter = new Lifter(Integer.parseInt((String) featParams.get("-lifter")));
lifter.setPredecessor(selectedDataProcessors.get(selectedDataProcessors.size() - 1));
selectedDataProcessors.add(lifter);
}
logger.info("Cepstrum component auto-configured as follows: " + toString());
} catch (NoSuchFieldException exc) {
throw new RuntimeException(exc);
}
}
