The development of the crucial video technology first started in the latter half of the 1920s in the United Kingdom and the United States, spurred notably by John Logie Baird and AT&T's Bell Labs.This occurred in part, at least with AT&T, to serve as an adjunct supplementing the use of the telephone.Michigan kicker Quinn Nordin (3) celebrates with teammates after kicking a field goal in the first quarter of their college football game against Air Force at Michigan Stadium in Ann Arbor, on Saturday, September 16, 2017.(Mike Mulholland | MLive.com)Michigan kicker Quinn Nordin (3) celebrates with teammates after kicking a field goal in the first quarter of their college football game against Air Force at Michigan Stadium in Ann Arbor, on Saturday, September 16, 2017.The news media were to become regular users of mobile links to satellites using specially equipped trucks, and much later via special satellite videophones in a briefcase.This technique was very expensive, though, and could not be used for applications such as telemedicine, distance education, and business meetings.
The greater 1 MHz bandwidth and 6 Mbit/s bit rate of the AT&T Picturephone in the 1970s also did not achieve commercial success, mostly due to its high cost, but also due to a lack of network effect — with only a few hundred Picturephones in the world, users had extremely few contacts they could actually call to, and interoperability with other videophone systems would not exist for decades.Only in the late 20th century with the advent of powerful video codecs combined with high-speed Internet broadband and ISDN service did videotelephony become a practical technology for regular use.In the 1980s, digital telephony transmission networks became possible, such as with ISDN networks, assuring a minimum bit rate (usually 128 kilobits/s) for compressed video and audio transmission.(Mike Mulholland | MLive.com) Here's all the ways to watch, listen to and chat about Michigan's game at Purdue (2-1) at 4 p.m. WATCH TV Network: FOX Major Cable Providers Comcast: Channel 2 | Streaming Spectrum: Channel 11 | Streaming Dish: Channel 2 | Streaming DIRECTV: Channel 22 | Streaming * Channel numbers listed are for Michigan subscribers and may change by geographic area. Streaming-only options Fox Sports Go | Hulu | Playstation Vue | Sling | You Tube TV | Fubo LISTEN Michigan Broadcast: Michigan IMG Sports Network Affiliates: WWJ-AM 950/WXYT-FM 97.1 Detroit; WTKA-AM 1050 Ann Arbor; Other Michigan-based affiliates listed here.Live streaming: Michigan IMG Sports Network Satellite: Sirius Ch.