The document discusses the history and development of high-definition television (HDTV) from the 1930s to present day. It covers early HD systems with 240 lines of resolution in the 1930s-1950s, the global development of HD standards in the 1950s-1970s including systems in Germany and the Soviet Union, and Japan's development of the first consumer HD system in 1969. It then discusses the introduction and adoption of HDTV in the United States from the 1980s-1990s and the establishment of the Grand Alliance standard in 1994. Finally, it lists the many HDTV broadcast and cable channels available today globally.

2. The History of HDTV By: Aaron UrbanskiDate: April 7, 2010Course: Concepts for a Digital WorldSD to HD

3. Broadcast Aspect Ratio’s

4. VideoResolutions

6. HDTV IDFrame size; is measured in pixels, vertically, and horizontally. I.e. 1280 × 720 or 1920 × 1080Scanning system; (P) progressive scanning, and (I) interlaced scanningI.E. (720p/819 lines), (1080p/1,125 lines)Frame rate; the number of video frames per second.

7. In the beginning HDTV (high definition television) refers to the screens resolution which must be substantially higher then any traditional tube , or SDTV (standard definition television).HDTV has approximately one to two million pixels per frame.The initial broadcasting of HDTV used analog to broadcast.

8. 1930-1950’sThe early yearsHigh definition describes a series of television systems originating from the late 1930s; however, these systems were only high definition when compared to earlier systems that were based on mechanical systems with as few as 30 lines of resolution compared to early HD’s 240 lines of resolution.The Baird 240 line mechanical system stared regular service for Great Britain in 1936The Marconi-EMI (377i/405 line) electronic system30 240

10. 1950-1970’sThe global rat race1949, Germany started transmission system (768i/819 lines) it was discontinued in 1985.In 1958, the Soviet Union developed Трансформатор “Transformer” the first high-resolution (definition) television system capable of producing an image composed of 1,125 lines of resolution aimed at providing teleconferencing for military command.

11. The Big BreakIn 1969, the Japanese state broadcaster NHK first developed consumer high-definition television with a 5:3 aspect ratio, a slightly wider screen format than the usual 4:3 standard.Hi-Vision or MUSE after its Multiple sub-Nyquist sampling encoding, required about twice the bandwidth of the existing NTSC system but provided about four times the resolution (1080i/1125 lines).

12. Technology Mimicking Nature

13. 1970-1990’s Mid life crisisIn 1981 Ronald Regan proclaimed HDTV to be a “matter of national interest”Several systems were proposed as the new standard for the USA, including the Japanese MUSE system, but all were rejected by the FCC because of their higher bandwidth requirements.August 14, 1994 HDTV technology was introduced in the United States by Grand Alliance, a group of television companies and MIT.

14. 2010 – To dayTo day we have a the largest collection of brand names and varieties to choose from.Broadcasting of HDTV has gone globalHDTV Broadcast NetworksCBS HDCW HDFox HDNBC HDPBS HDTelemundo HDIon HDMyNetworkTV HDUnivision HDTeleFutura HD[edit] Cable NetworksABC Family HDAMC HDA&E HDAnimal Planet HDBET HDBio HDBravo HDCartoon Network HDCMT HDComedy Central HDChiller HDDiscovery Channel HDDisney Channel HDDisney XD HDE! HDFuel HDFood Network HDFX HDG4 HDGospel Music Channel HDHallmark Channel HDHDNetHDNet MoviesHD TheaterThe Conversion boxes

15. Phasing from analog to digital EWTN HDJCTV HDSmile of a Child HDSonBeam Channel HD3ABN HD3ABN Latino HDTBN HDTBN Enlace USA HDTCT HDThe Worship Network HD[edit] Premium servicesHBO HD (HBO HD, HBO2 HD, HBO Signature HD, HBO Comedy HD, HBO Family HD, HBO Zone HD, HBO Latino HD) Cinemax HD (Cinemax HD, Moremax HD, Actionmax HD, Thillermax HD, 5starmax HD, Wmax HD, Outermax HD, @max HD) The Movie Channel HD / The Movie Channel Extra HD Showtime HD (Showtime HD, Showtime 2 HD, Showcase HD, Showtime Extreme HD) Starz HD (Starz HD, Starz Comedy HD, Starz Edge HD, Starz Kids and Family HD) Encore (East Coast feed) HDEpix HDRetroPlex HDIndiePlex HDNews NetworksCNBC HD+CNN HDFox Business Network HDFox News Channel HDHLN HDMSNBC HDThe Weather Channel HD[edit] National Sports NetworksCBS College Sports Network HDESPN HDESPN2 HDESPNews HDESPNU HDFox Soccer Channel HDGolf Channel HDMLB Network HDNBA TV HDNFL Network HDNHL Network HDOutdoor Channel HDSPEED HDTennis Channel HDThe Sportsman Channel HDVersus HDWorld Fishing Network HD[edit] Regional Sports Networks4SD HD (San Diego Padres) Altitude HD (Denver) Big Ten Network HD (Big Ten Conference) Comcast SportsNet HD (Bay Area, California, Chicago, New England, Northwest, Philadelphia, Washington DC) CST HD (New Orleans) FSN HD (Arizona, Carolinas, Detroit, Florida, Houston, Indiana, Kansas City, Midwest, North, Northwest, Ohio, Oklahoma, Pittsburgh, Prime Ticket, Rocky Mountain, South, Southwest, SportSouth, Sun Sports, Tennessee, Utah, West, Wisconsin) MASN HD (Baltimore Orioles and Washington Nationals) The Mtn. HD (Mountain West Conference) MSG HD and MSG Plus HD (New York, New Jersey, Connecticut, Pennsylvania) NESN HD (Boston Red Sox and Boston Bruins) SNY HD (New York Mets) STO HD (Cleveland Indians) YES HD (New York Yankees and New Jersey Nets) [edit] ReligiousThe Church Channel HDDefunctMOJO - now on demand only [edit] Scheduled HD channel launchesOvation TV HD - July 2010 [4]ReelzChannel HD - third quarter of 2010 [5]GOL TV HD - August 1, 2010 [6]Encore (West Coast feed) HD - early to mid 2010 [7]Starz Cinema HD - early to mid 2010 [7]Starz In Black HD - early to mid 2010 [7]Fox Soccer Plus HD - unknown [8]National Geographic Wild HD - unknown[9]The Cooking Channel

16. Far From FinishedHDTV will lead us into the next wave of televisions, and systems.HDTV systems will only continue to grow into new formats, 3D-HDTV.HDTV Holographic image projection

17. Sources For HDTVDigital cableVideo player with DVI, HDMI inputDigital satellite receiversVideo game systems with HDMI input XBOX 360 and Playstation 3Windows Media High DefinitionVideo imaging processors