W5.1 surround sound is the common name for surround sound audio systems. 5.1 is the most commonly used layout in home theatres. It uses five full bandwidth channels and one low-frequency effects channel. Dolby Digital, Dolby Pro Logic II, DTS, SDDS, and THX are all common 5.1 systems. 5.1 is also the standard surround sound audio component of digital broadcast and music.
W7.1 surround sound is the common name for an eight-channel surround audio system commonly used in home theatre configurations. It adds two additional speakers to the more conventional six-channel (5.1) audio configuration. As with 5.1 surround sound, 7.1 surround sound positional audio uses the standard front left and right, center, and LFE (subwoofer) speaker configuration. However, whereas a 5.1 surround sound system combines both surround and rear channel effects into two channels, a 7.1 surround system splits the surround and rear channel information into four distinct channels, in which sound effects are directed to left and right surround channels, plus two rear surround channels.
W7HD is an Australian television channel, owned by Seven West Media, originally launched on 15 October 2007 featuring unique breakaway programming from 10 December 2007 to 4 October 2009 and a HD simulcast of Seven until 25 September 2010. The channel is available to high definition digital television viewers in metropolitan areas through a number of owned-and-operated stations. On 25 September 2010, 7HD was replaced by the new channel 7mate.
W9HD is an Australian television channel owned by Nine Entertainment Co., originally launched on 17 March 2008 featuring unique "breakaway" programming until 2009 and a high-definition simulcast of the Nine Network from 2009 to 2010 and again since 26 November 2015. The channel is available on high definition digital television viewers in metropolitan and regional areas through a number of owned-and-operated and affiliate stations. Originally 9HD only simulcast blocks of programming from the Nine Network, and in 2008 it added time-shifted news, movies, drama and entertainment programs. Following the launch of 9Go! in August 2009, 9HD reverted to a HD simulcast of the Nine Network. The channel was replaced completely in 2010 and the space occupied by the newly launched multichannel 9Gem. Following the government's decision to remove the SD Primary Channel limitations, the channel returned as a HD simulcast on channel 90 on 26 November 2015.
W10 HD is an Australian free-to-air television channel that was originally launched on 16 December 2007 on channel 1. The channel was available to high definition digital television viewers through Network 10 owned-and-operated stations. The multichannel broadcast live sport, entertainment, films, documentaries, science fiction and news. The channel ceased broadcasting on 25 March 2009, and the following day was replaced by One.
W16:9 is a widescreen aspect ratio with a width of 16 units and height of 9.
WABC HD is an Australian free-to-air public television channel.
WABS-CBN HD was a Philippine pay television channel, working as the high-definition feed of ABS-CBN. It was launched on October 3, 2015 initially on Sky Cable and Destiny Cable and later on iWant, Sky On Demand, and Sky Direct, broadcasting in 1080i at a frame rate of 50 fps or at 60fps. Until May 5, 2020, all Sky Cable and Sky Direct plans in Metro Manila offer ABS-CBN HD. The network including its HD feed went off-the-air on May 5, 2020 at 7:52pm following TV Patrol. It was replaced by Kapamilya Channel HD on June 13, 2020.
WDrama TV, formerly known as Abu Dhabi Drama and sometimes referred to as AD Drama, is a Pan Arab television channel owned by Abu Dhabi Media.channel that shows movies and television series from. Programs are subtitled in Arabic.
WThe Advanced Television Systems Committee (ATSC) is an international, nonprofit organization developing technical standards for digital terrestrial television and data broadcasting. ATSC's 120-plus member organizations represent the broadcast, broadcast equipment, motion picture, consumer electronics, computer, cable, satellite and semiconductor industries.
WBharti Telemedia Limited, doing business as Airtel digital TV, is an Indian direct-broadcast satellite service provider owned and operated by Bharti Airtel. Its satellite service, launched in October 2008, transmits digital satellite television and audio to households in India. It has a total subscriber base of 10.07 million as of 30 March 2015.
WAl Jazeera English (AJE) is a television news channel broadcast to the world by the Al Jazeera Media Network. It is the first English-language news channel to be headquartered in the Middle East. Instead of being run centrally, news management rotates between broadcasting centres in Doha and London.
WArchival Disc (AD) is the name of a trademark owned by Sony Corporation and Panasonic Corporation describing an optical disc storage medium designed for long-term digital storage. First announced on 10 March 2014 and introduced in the second quarter of 2015, the discs are intended to be able to withstand changes in temperature and humidity, in addition to dust and water, ensuring that the disc is readable for at least 50 years. The agreement between Sony and Panasonic to jointly develop the next generation optical media standard was first announced on 29 July 2013.
WAn ATSC tuner, often called an ATSC receiver or HDTV tuner, is a type of television tuner that allows reception of digital television (DTV) television channels that use ATSC standards, as transmitted by television stations in North America, parts of Central America, and South Korea. Such tuners are usually integrated into a television set, VCR, digital video recorder (DVR), or set-top box which provides audio/video output connectors of various types.
WThe Blu-ray Disc (BD), often known simply as Blu-ray, is a digital optical disc storage format. It is designed to supersede the DVD format, capable of storing several hours of video in high-definition video. The main application of Blu-ray is as a medium for video material such as feature films and for the physical distribution of video games for the PlayStation 3, PlayStation 4, PlayStation 5, Wii U, Xbox One, and Xbox Series X. The name "Blu-ray" refers to the blue laser used to read the disc, which allows information to be stored at a greater density than is possible with the longer-wavelength red laser used for DVDs.
WThe Blu-ray Disc Association (BDA) is the industry consortium that develops and licenses Blu-ray Disc technology and is responsible for establishing format standards and promoting business opportunities for Blu-ray Disc. The BDA is divided into three levels of membership: the Board of Directors, Contributors, and General Members.
WBravia is a brand of Sony Visual Products Inc., a wholly owned subsidiary of Sony Corporation, and used for its television products. Its backronym is "Best Resolution Audio Visual Integrated Architecture". All Sony high-definition flat-panel LCD televisions in North America have carried the logo for BRAVIA since 2005. BRAVIA replaces the "LCD WEGA" which Sony used for their LCD TVs until Summer 2005.
WCignal is a Philippine satellite television and IPTV provider, owned by Cignal TV Inc., a wholly owned subsidiary of the MediaQuest Holdings Inc. under the PLDT Beneficial Trust Fund.
WClosed captioning (CC) and subtitling are both processes of displaying text on a television, video screen, or other visual display to provide additional or interpretive information. Both are typically used as a transcription of the audio portion of a program as it occurs, sometimes including descriptions of non-speech elements. Other uses have included providing a textual alternative language translation of a presentation's primary audio language that is usually burned-in to the video and unselectable.
WComponent video is an analog video signal that has been split into two or more component channels. In popular use, it refers to a type of component analog video (CAV) information that is transmitted or stored as three separate signals. Component video can be contrasted with composite video in which all the video information is combined into a single signal that is used in analog television. Like composite, component-video cables do not carry audio and are often paired with audio cables.
WD-VHS is a digital video recording format developed by JVC, in collaboration with Hitachi, Matsushita, and Philips. The "D" in D-VHS originally stood for "Data", but JVC renamed the format as "Digital VHS". Released in 1998, It uses the same physical cassette format and recording mechanism as S-VHS, but requires higher-quality and more expensive tapes and is capable of recording and displaying both standard-definition and high-definition content. The content data format is in MPEG transport stream, the same data format used for most digital television applications. The format was introduced in 1998.
Wd2h is an Indian direct broadcast satellite service provider owned by Dish TV and Videocon. As of December 31, 2017, d2h has a market share of 19% among the pay DTH operators. Dish TV India and d2h merger has been concluded, which had created the largest DTH service provider in the country with a subscriber base of about 29 million at the time of merger.
WThis is a list of digital television deployments by country, which summarises the process and progress of transition from analogue to digital broadcasting.
WDigital Video Broadcasting (DVB) is a set of international open standards for digital television. DVB standards are maintained by the DVB Project, an international industry consortium, and are published by a Joint Technical Committee (JTC) of the European Telecommunications Standards Institute (ETSI), European Committee for Electrotechnical Standardization (CENELEC) and European Broadcasting Union (EBU).
WDigital Visual Interface (DVI) is a video display interface developed by the Digital Display Working Group (DDWG). The digital interface is used to connect a video source, such as a video display controller, to a display device, such as a computer monitor. It was developed with the intention of creating an industry standard for the transfer of digital video content.
WDirecTV is an American direct broadcast satellite service provider based in El Segundo, California, and is a subsidiary of AT&T. Its satellite service, launched on June 17, 1994, transmits digital satellite television and audio to households in the United States, Latin America, and the Caribbean. Its primary competitors are Dish Network and cable television providers. On July 24, 2015, after receiving approval from the United States Federal Communications Commission and United States Department of Justice, AT&T acquired DirecTV in a transaction valued at $67.1 billion.
WDish México, S. de R. L. de C.V. is a Mexican-owned company that operates a subscription satellite television service in Mexico nationwide. S. de R. L. de C.V. stands for Sociedad de Responsabilidad Limitada de Capital Variable, a form of limited company. It is owned by MVS Comunicaciones (51%) and Dish Network Corporation (49%).
WDISH Network Corporation is an American television provider based in Englewood, Colorado. It is the owner of the direct-broadcast satellite provider DISH, also still commonly known as DISH Network, and the over-the-top IPTV service Sling TV. DISH also operates DISH Wireless to offer mobile wireless service, currently offering prepaid service to 9.055 million customers with the purchase of Boost Mobile on July 1, 2020 through the Boost brand. DISH intends to offer postpaid service as well in the future. The company has approximately 16,000 employees.
WDishHome is the DTH service provider in Nepal, operated by Dish Media Network Ltd. It was formed in 2010 after a merger between two DTH providers, namely Home TV and Dish Nepal. In the year of 2011 Sandmartin International Holding (SMT) became one of the key shareholders of Dish Media Network Pvt. Ltd. and provided expertise in developing new technologies and digital innovations in the satellite broadcasting.
WEuro1080 was the first commercial broadcaster in Europe to broadcast full-time high-definition television (HDTV) content. It was founded by Gabriel Fehervari in 2004 and is owned by Alfacam.
WHD DVD is an obsolete high-density optical disc format for storing data and playback of high-definition video. Supported principally by Toshiba, HD DVD was envisioned to be the successor to the standard DVD format.
WThe HD ready is a certification program introduced in 2005 by EICTA, now DIGITALEUROPE. HD ready minimum native resolution is 720 rows in widescreen ratio.
WHDMI is a proprietary audio/video interface for transmitting uncompressed video data and compressed or uncompressed digital audio data from an HDMI-compliant source device, such as a display controller, to a compatible computer monitor, video projector, digital television, or digital audio device. HDMI is a digital replacement for analog video standards.
WThis article compares the technical specifications of multiple high-definition formats, including HD DVD and Blu-ray Disc; two mutually incompatible, high-definition optical disc formats that, beginning in 2006, attempted to improve upon and eventually replace the DVD standard. The two formats remained in a format war until February 19, 2008, when Toshiba, HD DVD's creator, announced plans to cease development, manufacturing and marketing of HD DVD players and recorders.
WHigh-Definition Versatile Disc (HVD) is an Asian standard of advanced high-definition technology originally developed in China by AMLogic Inc., for high-definition video. The format supports 720p, 1080i, or 1080p video on version 1 discs. Version 2 of the format added high-resolution beyond the standard fare of HD for use on non-TV monitors that support higher resolutions, up to 1080p.
WHome cinema, also called home theaters or theater rooms, are home entertainment audio-visual systems that seek to reproduce a movie theater experience and mood using consumer electronics-grade video and audio equipment that is set up in a room or backyard of a private home. In the 1980s, home cinemas typically consisted of a movie pre-recorded on a LaserDisc or VHS tape; a LaserDisc or VHS player; and a heavy, bulky large-screen cathode ray tube TV set, although sometimes CRT projectors were used instead. In the 2000s, technological innovations in sound systems, video player equipment and TV screens and video projectors have changed the equipment used in home cinema set-ups and enabled home users to experience a higher-resolution screen image, improved sound quality and components that offer users more options. The development of Internet-based subscription services means that 2016-era home theatre users do not have to commute to a video rental store as was common in the 1980s and 1990s
WMultiplexed analogue components (MAC) was a satellite television transmission standard, originally proposed for use on a Europe-wide terrestrial HDTV system, although it was never used terrestrially.
WOptimum HDTV viewing distance is the distance that provides the viewer with the optimum immersive visual HDTV experience.
WRecommendation ITU-R BT.709-6 is the canonical reference from the ITU-R which standardizes the image encoding and signal characteristics of high-definition television. It is also known by the abbreviations Rec.709, BT.709, and ITU 709.
WSCART is a French-originated standard and associated 21-pin connector for connecting audio-visual (AV) equipment. The name SCART comes from Syndicat des Constructeurs d'Appareils Radiorécepteurs et Téléviseurs, "Radio and Television Receiver Manufacturers' Association", the French organisation that created the connector in the mid-1970s. The related European standard EN 50049 has been then refined and published in 1978 by CENELEC, calling it péritelevision, but it is commonly called by the abbreviation péritel in French.
WSerial digital interface (SDI) is a family of digital video interfaces first standardized by SMPTE in 1989. For example, ITU-R BT.656 and SMPTE 259M define digital video interfaces used for broadcast-grade video. A related standard, known as high-definition serial digital interface (HD-SDI), is standardized in SMPTE 292M; this provides a nominal data rate of 1.485 Gbit/s.
WThe Sony BDP-S1 is a first generation Blu-ray Disc (BD) player and is the first such player released in North America. It was originally scheduled for release in the United States on August 18, 2006 with a MSRP of $999.95. Sony had postponed the release date of this player several times and it was released on December 4, 2006.
WSun Direct is an Indian direct broadcast satellite service provider. Its satellite service, launched in December 2007, transmits digital satellite television and audio to households in India. Sun Direct usesSun Direct call MPEG-4 digital compression, transmitting HD Channels on GSAT-15 Sun Direct at 93.5°E. and SD Channels on MEASAT-3 at 91.5°E.
WTRT HD was the second High definition channel of TRT after TRT 3 HD. It was launched on 24 May 2010. It broadcasts events such as the Eurovision Song Contest in HD.
WTVE HD was a high-definition channel run by the Spanish public broadcaster Televisión Española. The channel broadcast the 2008 Olympic Games in high-definition. It was available via pay-TV platforms Digital+ and Movistar TV, but not on digital terrestrial and free to air as originally planned. The channel was available until its closure on 31 December 2013 when TVE launched HD versions of TVE channels such as La 1 and Teledeporte.
WTVN HD was launched on August 28, 2007 it became available on digital platform n which also belongs to ITI Group The channel broadcasts TVN's programmes in 1080i and 16:9. On 1 May 2010, a timeshift channel of TVN HD was made called TVN HD+1.
WTVP1 is the main public television channel of TVP, Poland's national broadcaster. It was the first Polish channel to be broadcast and remains one of the most popular today. TVP1 was launched 23 January 1953.
WTVP 2 is a Polish public mainstream TV channel operated by TVP. Its varied line-up contains a variety of programming although it focuses on entertainment: stand up comedy, comic shows, cabaret, and themed talk shows. TVP2 was launched October 1970.
WUltra HD Blu-ray (UHD-BD) is a digital optical disc data storage format that is an enhanced variant of Blu-ray. Ultra HD Blu-ray discs are incompatible with existing standard Blu-ray players. Ultra HD Blu-ray supports 4K UHD video at frame rates up to 60 progressive frames per second, encoded using High Efficiency Video Coding. The discs support both high dynamic range by increasing the color depth to 10-bit per color and a greater color gamut than supported by conventional Blu-ray video by using the Rec. 2020 color space. It is supported on Microsoft's Xbox One X and One S; the Xbox Series X and also on Sony's PlayStation 5 video game consoles.
WVaricam, originally stylized as VariCam, is a brand name associated with specialized Panasonic video cameras that are mostly used to imitate the look and feel of motion picture cameras. They have been used to record scenes for many feature films. The recording framerate of Varicam cameras can be varied between at least 1 to 60 frames per second, offering flexibility in creating rapid or slow motion effects. Because film has traditionally been shot at 24 frames per second, while NTSC video uses 29.97 frames per second, Varicams can be used for both high end video and film production. Panasonic applied the VariCam brand for the first time to the AJ-HDC27.
WVideo is an electronic medium for the recording, copying, playback, broadcasting, and display of moving visual media. Video was first developed for mechanical television systems, which were quickly replaced by cathode ray tube (CRT) systems which were later replaced by flat panel displays of several types.
WVideo Graphics Array (VGA) is a video display controller and accompanying de facto graphics standard, first introduced with the IBM PS/2 line of computers in 1987, which became ubiquitous in the PC industry within three years. The term can now refer either to the computer display standard, the 15-pin D-subminiature VGA connector, or the 640×480 resolution characteristic of the VGA hardware.
WA video scaler is a system which converts video signals from one display resolution to another; typically, scalers are used to convert a signal from a lower resolution to a higher resolution, a process known as "upconversion" or "upscaling".
WWindows Media High Definition Video is the marketing name for high definition videos encoded using Microsoft Windows Media Video 9 codecs. These low-complexity codecs make it possible to watch high definition movies in 1280×720 (720p) or 1920×1080 (1080p) resolutions on many modern personal computers running Microsoft Windows XP or Windows Vista, although the hardware requirements are steep. Microsoft's Xbox 360 and Sony's PlayStation 3 video game consoles can also play WMV HD.