WGBH

WGBH-TV is a non-commercial television station licensed to Boston, Massachusetts. WGBH is a member station of the Public Broadcasting Service, and has produced many programs for the network, including nearly a third of PBS's national primetime programming. Programs produced for PBS include NOVA, Frontline, American Experience, The Victory Garden and This Old House. The license-holder is the WGBH Educational Foundation, which also operates several other radio and television stations in Boston and the surrounding area, including sister station WGBX-TV, and the radio stations WGBH, WCAI, and WNAN. WGBH is also considered a leader in services for people who are deaf, hard-of-hearing, blind, or visually impaired. WGBH invented television closed captioning, audio description, created the Rear Window Captioning System for movies and the Descriptive Video Service (DVS); they provide these access services to commercial and public TV producers, and to home video, Web sites, and movie theaters... full article at wikipedia