Element wordSize = new Element("wordSize",fitsNS);
wordSize.setText(String.valueOf(wav.formatChunk().getBlockAlign() / wav.formatChunk().getNumberOfChannels()));
audioMetadata.addContent(wordSize);
Element offset = new Element("offset",fitsNS);
offset.setText(Long.toString(wav.dataChunk().getPositionInFile() + 8));
audioMetadata.addContent(offset);
Element soundField = new Element("soundField",fitsNS);
if (wav.formatChunk().getNumberOfChannels() == 1) {
soundField.setText("MONO");