Standards

Digitag (Digital Terrestrial Television Action Group) - Aims to facilitate the market driven introduction of ditigal terrestrial via Digital Video Broadcasting Project's DVB-T specification.
http://www.digitag.org/

OpenCable - A project aimed at obtaining a new generation of set-top boxes that are interoperable.
http://www.opencable.com/

MHEG.org - An entry point to information about the ISO standard MHEG (ISO/IEC 13522) established by the Multimedia and Hypermedia information coding Expert Group.
http://www.mheg.org/

DVB The Standard for the Digital World - Works to develop, set and promote technical standards to advance digital media markets world-wide.
http://www.dvb.org

Multimedia Home Platform - MHP official standards for interactive television and related interactive home entertainment.
http://www.mhp.org

ATSC (Advanced Television Systems Committee) - An international organization establishing broadcasting standards for digital (including hd and data broadcasting) television.
http://www.atsc.org/

EBU - European Broadcasting Union - At the forefront of research and development of new broadcast media, and has led or contributed to the development of many new digital standards.
http://www.ebu.ch/

ETSI - European Telecommunications Standards Institute - A non-profit making organization whose mission is to produce the telecommunications standards that will be used throughout Europe and beyond.
http://www.etsi.org/

HAVi: Home Audio Video Interoperability - Provides specification for the MHP platform, interactive television, and networking digital home entertainment products.
http://www.havi.org

TV-Anytime Forum - The TV Anytime Forum is an association of organisations which seeks to develop specifications to enable audio-visual and other services based on mass-market high volume digital storage.
http://www.tv-anytime.org/