Abbre viation	Name	For	Standards Body	Namespace
MIX	Metadata for images in XML	Still images	Library of Congress, U.S.A. https://www.loc.gov/standards/mix/
TEI	Text encoding initiative	Text	TEI Consortium https://tei-c.org/
AudioMD*	Audio metadata technical extension schema	Audio	Library of Congress, U.S.A. https://www.loc.gov/standards/amdvmd/audiovideoMDschemas.html
VideoMD*	Video metadata extension schema	Video	Library of Congress, U.S.A. https://www.loc.gov/standards/amdvmd/audiovideoMDschemas.html
PBCore	Public broadcast T.V. services	Video	PBCore.org (U.S.A.)
ODrL	Open digital rights language	Rights	World Wide Web Consortium (W3C) https://www.w3.org/ns/odrl/2/	http://www.w3.org/ns/odrl/2/
XRmL	Extensible rights mark up language	Rights	xrML.org https://eduworks.com/Documents/Workshops/EdMedia2003/Docs/XrML2_0/xrml2part5.htm
PREMIS	Preservation metadata maintenance activity	Preservation	Library of Congress, U.S.A.	http://www.loc.gov/premis/v3