DTG (Digital TV Group) is the UK's centre for digital media technology innovation, best known for publishing the D-Book technical specification that underpins the UK's digital terrestrial television platforms including Freeview, Freeview HD, Freesat, and YouView. It uniquely operates DTG Testing, an ISO 17025 accredited test laboratory that ensures digital television products comply with the D-Book standard. The association brings together over 120 members from broadcasters, manufacturers, and technology providers to collaborate on the future of television, embracing convergence of content and networks across all devices and formats.
