WGBH is a non-commercial television and radio broadcast service located in Boston, Massachusetts. WGBH is a member station of the Public Broadcasting Service, and produces more than two-thirds of PBS’s national primetime programming. Programs produced for PBS include Masterpiece, NOVA, Frontline, American Experience, The Victory Garden and This Old House. WGBH is also well-known for having co-produced numerous period dramas and has collaborated for years with British production companies.
WGBH operates several radio and television stations in Boston and the surrounding area, including sister stations WGBX-TV (Boston) and WGBY-TV (Springfield), and the radio stations WGBH, WCAI, WZAI, WNAN, and WCRB.
WGBH is also considered a leader in accessible media services for people who are deaf, hard-of-hearing, blind, or visually impaired. WGBH invented television closed captioning, audio description (Descriptive Video Service), and created the Rear Window Captioning System for films they provide these access services to commercial and public TV producers, and to home video, Web sites, and movie theaters nationwide.
About WGBH
From Wikipedia — 2/23/2011