2. Specifications

Container format specifications essentially describe, through metadata, the container (the envelope) and the content.

Published specifications for container formats can be (tables 8 , 9 , 10 , 11 , 12 and 13 ):

• an international standard, published either by an international standards organization such as ISO (International Organization for Standardization), IEC (International Electrotechnical Commission), W3C (World Wide Web Consortium) or IETF...