A non-volatile recording medium for recording a digital audio signal that has been compressed at a compression rate selectable in a predetermined range and block-segmented in a predetermined data length is disclosed, wherein the predetermined data length of which the digital audio data is block-segmented...http://www.google.co.uk/patents/US6985584?utm_source=gb-gplus-sharePatent US6985584 - Non-volatile record medium, recording method, and recording apparatus
