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Standard-definition television. Standard-definition television ( SDTV; also standard definition or SD) is a television system that uses a resolution that is not considered to be either high or enhanced definition. [1] Standard refers to offering a similar resolution to the analog broadcast systems used when it was introduced.
Digital television sets (equipped with ATSC tuners) are often capable of viewing a baseline set of unencrypted digital programming, known as basic cable or low-tier channels, which typically include local network television affiliates. According to FCC regulations, television providers must provide "separable security" for accessing encrypted ...
NTSC (from National Television System Committee) is the first American standard for analog television, published in 1941. [1] In 1961, it was assigned the designation System M. It is also known as EIA standard 170. [2] In 1953, a second NTSC standard was adopted, which allowed for color television broadcast compatible with the existing stock of ...
A TV format is the overall concept and branding of a copyrighted television show. The most common type of formats are those in the television genres of game shows and reality shows, many of which are remade in multiple markets with local contestants. Recent examples include Survivor, Who Wants to Be a Millionaire?, Pop Idol and Big Brother that ...
Most digital television systems are based on the MPEG transport stream standard, and use the H.262/MPEG-2 Part 2 video codec. They differ significantly in the details of how the transport stream is converted into a broadcast signal, in the video format prior to encoding (or alternatively, after decoding), and in the audio format.
SMPTE color bars are a television test pattern used where the NTSC video standard is utilized, including countries in North America. The Society of Motion Picture and Television Engineers (SMPTE) refers to the pattern as Engineering Guideline (EG) 1-1990. [1] Its components are a known standard, and created by test pattern generators.
Proposals and introduction. The Federal Communications Commission (FCC) began soliciting proposals for a new television standard for the U.S. in the late 1980s and later decided to ask companies competing to create the standard to pool their resources and work together, forming what was known as the Grand Alliance in 1993.
16:9 is a widescreen aspect ratio with a width of 16 units and height of 9 units. Once seen as exotic, [1] since 2009, it has become the most common aspect ratio for televisions and computer monitors, and is also the universal standard image format for the universal 1080p, 2160p and 4320p formats. 16:9 or "sixteen-nine" is the universal ...