Element blockAlign = new Element("blockAlign",fitsNS);
blockAlign.setText(String.valueOf(wav.formatChunk().getBlockAlign()));
audioMetadata.addContent(blockAlign);
Element time = new Element("time",fitsNS);
if(wav.bextChunk() != null) {
time.setText(String.valueOf(wav.bextChunk().getTimeReference()));
}
audioMetadata.addContent(time);
Element numChannels = new Element("channels",fitsNS);