The first American standard for analog television broadcast was developed by National Television System Committee (NTSC) in 1941. In 1961, it was assigned the designation System M.. In 1953, a second NTSC standard was adopted, which allowed for color television broadcast compatible with the existing stock of black-and-white receivers. It is one of three major color formats for …

NTSCは、コンポジット映像信号および、それを用いたテレビジョン放送方式の仕様および標準規格「RS-170 (A)」「SMPTE-170M」などの通称。. NTSCとは規格を策定したNational Television System Committee（全米テレビジョンシステム委員会）の略。特に1953年に定められたカラーテレビ放送規格を指す。

NTSC-J is the informal designation for the analogue television standard used in Japan. The system is based on the US NTSC standard with minor differences. While NTSC-M is an official CCIR and FCC standard, NTSC-J is a colloquial indicator.. NTSC-J was replaced by digital broadcasts in 44 of the country's 47 prefectures on 24 July 2011. Analogue broadcasting ended …

Chroma subsampling is the practice of encoding images by implementing less resolution for chroma information than for luma information, taking advantage of the human visual system's lower acuity for color differences than for luminance.. It is used in many video and still image encoding schemes – both analog and digital – including in JPEG encoding.

DVD region codes are a digital rights management technique introduced in 1997. It is designed to allow rights holders to control the international distribution of a DVD release, including its content, release date, and price, all according to the appropriate region.. This is achieved by way of region-locked DVD players, which will play back only DVDs encoded to their region (plus those …

Betacam is a family of half-inch professional videocassette products developed by Sony in 1982. In colloquial use, "Betacam" singly is often used to refer to a Betacam camcorder, a Betacam tape, a Betacam video recorder or the format itself.. All Betacam variants from (plain) analog recording Betacam to Betacam SP and digital recording Digital Betacam (and additionally, …

DV compression. DV uses lossy compression of video while audio is stored uncompressed. An intraframe video compression scheme is used to compress video on a frame-by-frame basis with the discrete cosine transform (DCT).. Closely following the ITU-R Rec. 601 standard, DV video employs interlaced scanning with the luminance sampling frequency of 13.5 MHz. This results …

In color reproduction, including computer graphics and photography, the gamut, or color gamut / ˈ ɡ æ m ə t /, is a certain complete subset of colors.The most common usage refers to the subset of colors which can be accurately represented in a given circumstance, such as within a given color space or by a certain output device.. Another sense, less frequently used but still correct, …

Detalles técnicos. El sistema PAL surgió en el año 1963, de manos del Dr. Walter Bruch en los laboratorios de Telefunken en su intento por mejorar la calidad y reducir los defectos en los tonos de color que presentaba el sistema NTSC.No obstante, los conceptos fundamentales de la transmisión de señales han sido adoptados del sistema NTSC.. Al igual que NTSC, es un …

Standard-definition television [ˌstændəd ˌdɛfɪˈnɪʃən ˈtɛlɪvɪʒən] (SDTV) ist ein Sammelbegriff für Videoauflösungen, wie sie bereits beim analogen Fernsehempfang üblich waren.. Im Zuge der Umstellung von analogem zu digitalem Fernsehempfang wurde zunächst die damals gängige Videoauflösung von meist 720 × 576 beziehungsweise 720 × 480 Pixel beibehalten.