private void parameterizeSources() {
if (sources != null && !sources.isEmpty()) {
final Source[] sourceFilters = new Source[sources.size()];
int tdx = 0;
for (String sab : sources) {
sourceFilters[tdx++] = new Source(sab);
}
coder.setFilterSources(sourceFilters);
} else {
coder.setFilterLanguages(null);
}