Video is the technology of electronically capturing, recording, processing, storing, transmitting, and reconstructing a sequence of still images representing scenes in motion.
''3D-video'', digital video in three dimensions, premiered at the end of 20th century. Six or eight cameras with realtime depth measurement are typically used to capture ''3D-video'' streams. The format of ''3D-video'' is fixed in MPEG-4 Part 16 Animation Framework eXtension (AFX).
In many countries, the term ''video'' is often used informally to refer to both Videocassette recorders and video cassettes; the meaning is normally clear from the context.
In ''progressive scan'' systems, each refresh period updates all of the scan lines. The result is a higher spatial resolution and a lack of various artifacts that can make parts of a stationary picture appear to be moving or flashing.
A procedure known as deinterlacing can be used for converting an interlaced stream, such as analog, DVD, or satellite, to be processed by progressive scan devices, such as Liquid crystal display television TFT LCD Television sets, projectors, and plasma panels. Deinterlacing cannot, however, produce a video quality that is equivalent to true progressive scan source material.
The size of a video image is measured in pixels for digital video, or horizontal scan lines and vertical lines of resolution for analog video. In the digital domain (e.g. DVD) standard-definition television (SDTV) is specified as ''720/704/640×480i60'' for NTSC and ''768/720×576i50'' for PAL or SECAM resolution. However in the analog domain, the number of visible scanlines remains constant (486 NTSC/576 PAL) while the horizontal measurement varies with the quality of the signal: approximately 320 pixels per scanline for VCR quality, 400 pixels for TV broadcasts, and 720 pixels for DVD sources. Aspect ratio is preserved because of non-square "pixels".
New high-definition televisions (HDTV) are capable of resolutions up to ''1920×1080p60'', i.e. 1920 pixels per scan line by 1080 scan lines, progressive, at 60 frames per second.
Video resolution for 3D-video is measured in voxels (''volume picture element'', representing a value in three dimensional space). For example 512×512×512 voxels resolution, now used for simple 3D-video, can be displayed even on some PDAs.
Ratios where the height is taller than the width are uncommon in general everyday use, but do have application in computer systems where the screen may be better suited for a vertical layout. The most common tall aspect ratio of 3:4 is referred to as ''portrait mode'' and is created by physically rotating the display device 90 degrees from the normal position. Other tall aspect ratios such as 9:16 are technically possible but rarely used. (For a more detailed discussion of this topic please refer to the page orientation article.)
Pixels on computer monitors are usually square, but pixels used in digital video often have non-square aspect ratios, such as those used in the PAL and NTSC variants of the CCIR 601 digital video standard, and the corresponding anamorphic widescreen formats. Therefore, an NTSC DV image which is 720 pixels by 480 pixels is displayed with the aspect ratio of 4:3 (which is the traditional television standard) if the pixels are thin and displayed with the aspect ratio of 16:9 (which is the anamorphic widescreen format) if the pixels are fat.
''Color model name'' describes the video color representation. ''YIQ'' was used in NTSC television. It corresponds closely to the ''YUV'' scheme used in NTSC and PAL television and the ''YDbDr'' scheme used by SECAM television.
The number of distinct colors that can be represented by a pixel depends on the number of ''bits per pixel'' (bpp). A common way to reduce the number of bits per pixel in digital video is by chroma subsampling (e.g. 4:4:4, 4:2:2, 4:2:0/4:1:1).
The subjective video quality of a video processing system may be evaluated as follows:
Many subjective video quality methods are described in the ITU-T recommendation BT.500. One of the standardized method is the ''Double Stimulus Impairment Scale'' (DSIS). In DSIS, each expert views an ''unimpaired'' reference video followed by an ''impaired'' version of the same video. The expert then rates the ''impaired'' video using a scale ranging from "impairments are imperceptible" to "impairments are very annoying".
A wide variety of methods are used to compress video streams. Video data contains spatial and temporal redundancy, making uncompressed video streams extremely inefficient. Broadly speaking, spatial redundancy is reduced by registering differences between parts of a single frame; this task is known as ''intraframe compression'' and is closely related to image compression. Likewise, temporal redundancy can be reduced by registering differences between frames; this task is known as ''interframe compression'', including motion compensation and other techniques. The most common modern standards are MPEG-2, used for DVD, Blu-ray and satellite television, and MPEG-4, used for AVCHD, Mobile phones (3GP) and Internet.
Variable bit rate (VBR) is a strategy to maximize the visual video quality and minimize the bit rate. On fast motion scenes, a variable bit rate uses more bits than it does on slow motion scenes of similar duration yet achieves a consistent visual quality. For real-time and non-buffered video streaming when the available bandwidth is fixed, e.g. in videoconferencing delivered on channels of fixed bandwidth, a constant bit rate (CBR) must be used.
Blu-ray Discs greatly improve the sharpness and detail of the two-color 3D effect in color coded stereo programs. See articles Stereoscopy and 3-D film.
For transmission, there is a physical connector and signal protocol ("video connection standard" below). A given physical link can carry certain "display standards" which specify a particular refresh rate, display resolution, and color space.
Many analog and digital recording formats are in use, and digital video clips can also be stored on a computer file system as files which have their own formats. In addition to the physical format used by the data storage device or transmission medium, the stream of ones and zeros that is sent must be in a particular digital "video encoding", of which a number are available.
New formats for digital television broadcasts use the MPEG-2 video codec and include:
Analog television broadcast standards include:
An analog video format consists of more information than the visible content of the frame. Preceding and following the image are lines and pixels containing synchronization information or a time delay. This surrounding margin is known as a blanking interval or blanking region; the horizontal and vertical front porch and back porch are the building blocks of the blanking interval.
Many countries are planning a digital switchover soon.
''(See List of video recording formats.)''
Category:Digital television Category:Film and video technology Category:High-definition television Category:Video formats Category:Display technology Category:Television terminology Category:Video signal Category:History of television
ar:فيديو bs:Video bg:Видео ca:Vídeo cs:Video cy:Fideo da:Video de:Videotechnik es:Vídeo eo:Videoo eu:Bideo fa:ویدیو fr:Vidéo ga:Físeán gl:Vídeo gan:視頻 ko:비디오 hr:Video id:Video is:Myndband it:Video he:וידאו ku:Wîno mk:Видео ms:Video nl:Video ja:映像信号 no:Video pl:Wideo pt:Vídeo ro:Video qu:Kuyuq rikch'a waqaychana allwiya ru:Видео scn:Video simple:Video sk:Videotechnika sl:Video sr:Видео sh:Video fi:Video sv:Video ta:நிகழ்படம் th:วิดีโอ tr:Görüntü Sinyali uk:Відео ur:منظرہ vi:Phim video wa:Videyo yi:ווידעא zh:视频This text is licensed under the Creative Commons CC-BY-SA License. This text was originally published on Wikipedia and was developed by the Wikipedia community.
Landscape | yes |
---|---|
Background | solo_singer |
Birth name | Tramar Dillard |
Born | September 17, 1979 Carol City, Florida, U.S. |
Occupation | Rapper, Songwriter, Actor |
Genre | Southern hip hop, Pop rap, R&B;, Dance |
Years active | 2006–present |
Label | Atlantic, Poe Boy |
Associated acts | Brisco, Timbaland, David Guetta, Ke$ha, T-Pain, Akon |
Website | }} |
Tramar Dillard (born September 17, 1979), better known by his stage name Flo Rida ("flow rider"), is an American rapper and singer-songwriter. He released his debut album, ''Mail on Sunday'', in March 2008. His debut single "Low", featuring T-Pain, was a #1 hit for ten weeks in United States in early 2008. Two other singles resulted from ''Mail on Sunday'': "Elevator" and "In the Ayer". In 2009, his second album ''R.O.O.T.S.'' was released; its most successful single "Right Round" was at the top of the Hot 100 for six weeks. Since then, he has released his third studio album titled ''Only One Flo (Part 1)'', which will see a sequel titled ''Only One Rida (Part 2)''.
After the success of ''Mail on Sunday'', Flo Rida made guest performances on other R&B;, rap, and pop singles, including "Move Shake Drop" by DJ Laz, "We Break the Dawn" by Michelle Williams, the remix of "4 Minutes" by Madonna, "Running Back" by Australian R&B; singer Jessica Mauboy, "Feel It" by DJ Felli Fel, and the remix of "Speedin'" by Rick Ross. During the summer of 2008, he did live performances on the Fox dance competition program ''So You Think You Can Dance'' in the US and 2008 MuchMusic Video Awards in Canada. He appeared on the albums ''We Global'' by DJ Khaled, ''Gutta'' by Ace Hood, and ''The Fame'' by Lady Gaga, among others.
In December 2010, the Associated Press reported that Flo Rida had created his own label, International Music Group, inspired by Nicki Minaj's signing with Lil Wayne's. He has signed an 18 year-old rapper, Brianna and Git Fresh to International. Currently Flo Rida teamed up with Malaysian singer, Mizz Nina in Take Over. They shoot Take Over in Miami, Florida.
! Year | ! Type | ! Award | ! Result |
Breakthrough Performer | |||
Favourite Male Hip-Hop Artist | |||
Best New Artist | |||
Rookie of the Year | |||
Breathrough Artist | |||
Choice Breakout Artist | |||
Choice Rap Artist | |||
APRA Awards | |||
MOBO Awards | |||
MTV Video Music Awards | Best Hip-Hop Video ("Right Round" with Kesha) | ||
NT Indigenous Music Awards | |||
People's Choice Awards | |||
Teen Choice Awards | Best Hip-Hop Rap Track ("Right Round" with Kesha) | ||
APRA Awards | |||
Grammy Awards | Best Rap Album (''R.O.O.T.S.'') | ||
People's Choice Awards | Hip-Hop Artist of the Year | ||
Category:1979 births Category:Living people Category:African American rappers Category:American dance musicians Category:Atlantic Records artists Category:Barry University alumni Category:Electro-hop musicians Category:Hip hop singers Category:Rappers from Miami, Florida Category:University of Nevada, Las Vegas alumni
ar:فلو ريدا bg:Flo Rida ca:Flo Rida cs:Flo Rida cy:Flo Rida da:Flo Rida de:Flo Rida es:Flo Rida fa:فلو رایدا fr:Flo Rida ko:플로 라이더 id:Flo Rida it:Flo Rida he:פלו ריידה lv:Flo Rida hu:Flo Rida nl:Flo Rida ja:フロー・ライダー no:Flo Rida pl:Flo Rida pt:Flo Rida ro:Flo Rida ru:Флоу Райда fi:Flo Rida sv:Flo Rida th:โฟล ไรเดอ tr:Flo Rida vi:Flo Rida zh:佛罗·里达This text is licensed under the Creative Commons CC-BY-SA License. This text was originally published on Wikipedia and was developed by the Wikipedia community.
Name | Connie Talbot |
---|---|
Background | solo_singer |
Born | November 20, 2000 |
Origin | Streetly, Aldridge, West Midlands, England, UK |
Instrument | Vocals |
Years active | 2007–present |
Genre | Pop |
Occupation | Singer |
Label | Rainbow Recording Company |
Website | connietalbot.com }} |
Talbot signed with Rainbow Recording Company and released her debut album ''Over the Rainbow'' in the UK on 26 November 2007. The album was re-released 18 June 2008 with a new track listing, and the first single from the album, a cover of Bob Marley's "Three Little Birds", was released on 10 June.
Despite its negative critical reception, ''Over the Rainbow'' has sold over 250,000 copies worldwide and reached number one in three countries. Since the initial album release, Talbot has performed publicly and on television in Europe, the U.S. and across Asia, where her music had gained recognition through YouTube. Her second album, ''Connie Talbot's Christmas Album'', was released on 24 November 2008; her third, ''Holiday Magic'', was released in late 2009. On top of her musical career, Talbot continues to attend primary school and lives in Streetly with her family.
Cowell had preliminarily agreed to sign Talbot with his own record label, Sony BMG. After recording two songs in London with Talbot ("Over the Rainbow" and "Smile"), the label pulled out of the deal. Talbot's mother, Sharon, said she was told that her daughter "...was too young to be their sort of artist", adding "We have been told to look for a company which looks after children." In a statement, the label said "there was some deliberation over the possibility of recording with Connie ... However, the decision not to proceed was made with the best intentions for Connie, taking into consideration her age and that it would not be right to do so at this time." Cowell himself said that "when the time is right, [he would] be delighted to see if [they could] make it work". The Talbot family decided to search for another label, saying "while [Talbot] loves what she's doing it would be cruel to stop her. Fame and money will never matter."
In late 2007, public appearances by Talbot included headlining the Great Bridge Christmas and Winter Festival, which local police threatened to cancel unless crowds clamouring to reach the tent in which Talbot was performing could be brought under control. At the event, on 7 December 2007, Talbot said "I love it here, it’s brilliant, really fun", but had to be ushered off-stage by the police. Talbot performed publicly in Walsall's HMV store, and in Birmingham's Centenary Square. TV appearances included GMTV and Channel 5 news, both on 26 November 2007. According to her mother, Talbot has received offers for film roles. Sharon said "[Talbot]'s been sent a script, I haven't had a good look at it yet but it's really exciting ... Connie's a singer, not an actress, so we'll see what happens. It's completely up to her whether or not she wants to do it. I can't believe it, though."
Sharon Mawer of Allmusic praised ''Over the Rainbow'' by saying "She can sing, for a seven year old, and most of the notes (if not all of them) are in the right order and sung to the right pitch; the timing is fine too". However, she criticised the album, saying "there's no feeling, no emotion, no realisation of what each song is about; they're just pretty little songs", giving the album 2/5. Nick Levine, of Digital Spy, said in a review of the album that Talbot had a "sweet, pure voice", but that there is "no nuance or depth to her performance". However, he said that "There's something inherently wrong about awarding a star rating to a seven-year-old", and that "the decidedly adult concept of musical merit should have nothing to do with [her music]", awarding the album 2/5.
The album was rereleased on 16 June 2008, but was available for pre-order in May, with three new tracks to replace its Christmas-themed songs. The first single from the album, "Three Little Birds", was released in June 2008, and a video for the song was shot in Jamaica. In April and May 2008, Talbot toured Asia to promote ''Over the Rainbow''. Asian press attributed her success to her videos on YouTube, with the ''Sun.Star'' mentioning that her most viewed video had been watched over 14 million times, and ''The Straits Times'' saying that videos of Talbot's performances have been watched over 30 million times. The tour made stops in South Korea, Taiwan, Hong Kong and Singapore, and Talbot and her family returned to England in late May. Following the tour, it was reported that the album had reached number one on the charts in Taiwan, South Korea and Hong Kong, as well as reaching number three in Singapore. After the tour, Talbot travelled to Poland, where she performed on television.
It was also revealed that ''Over the Rainbow'' was due for release in America in September, resulting in attention from American press sources including Fox Business Network and MarketWatch. The U.S. version was eventually released on 14 October, with Talbot appearing on American television shows including ''The Ellen DeGeneres Show'' to publicise the release.
In August 2008, it was announced that Talbot had signed a contract with Data Design Interactive for production of a video game on the Wii console. The game was to feature 15 songs from ''Over the Rainbow'', allowing players to sing along with a computer-generated image of Talbot or against other players in a karaoke mode. Talbot rerecorded the album for the game. The game was scheduled for release in the first quarter of 2009, and is called ''Connie Talbot: Over the Rainbow''. The game hasn't been released yet as of 2011, citing copyright issues on the songs used for it.
''Connie Talbot's Christmas Album'' was difficult to obtain in Britain after the distributor, Pinnacle Entertainment, went into administration. Talbot's mother, Sharon, was quoted as saying "We don't really know what's going to happen at the moment ... We think they'll probably wait and promote the album later this year. It's a shame, but they can still get the album in Asia and the US." Reviewing the album for ''FemaleFirst'' magazine, Ruth Harrison gave it 4/5, saying that Talbot has "a great voice when it comes to swing, but lets us down in parts".
In April 2009, Talbot again travelled to the U.S. in order to publicise her new single, a cover of "I Will Always Love You". The single was released in the U.S. on 7 April, along with a newly recorded "You Raise Me Up". Talbot then travelled to the U.S. on 30 April, and returned on 2 May. Appearances included a performance on ''Good Day New York'' on Fox Broadcasting Company's WNYW. The single peaked at number four on the ''Billboard'' Hot 100 Singles Sales.
Talbot's third album, ''Connie Talbot's Holiday Magic'', was released on 20 October 2009 in the United States and on 30 November 2009 in the United Kingdom. The United States album is dedicated to the Toys for Tots campaign, of which Talbot has been named the child ambassador. In a statement, Bill Grein, Vice President of the Marine Toys for Tots Foundation, said-
Category:2000 births Category:Living people Category:English child singers Category:English female singers Category:Britain's Got Talent contestants Category:People from Aldridge Category:English pop singers
bg:Кони Талбот de:Connie Talbot es:Connie Talbot fr:Connie Talbot ko:코니 탤벗 it:Connie Talbot hu:Connie Talbot nl:Connie Talbot ja:コニー・タルボット no:Connie Talbot pl:Connie Talbot pt:Connie Talbot ru:Телбот, Конни fi:Connie Talbot sv:Connie Talbot th:คอนนี ทัลบอต zh:康妮·塔波特This text is licensed under the Creative Commons CC-BY-SA License. This text was originally published on Wikipedia and was developed by the Wikipedia community.
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