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110-457: The December 30, 2000 airing of "Rabbot" received a 0.2 household rating. The Rabbot character would later return in future episodes. This episode has been made available on DVD , and other forms of home media, including on demand streaming. Dr. Weird unveils his newest invention, a titanic robotic rabbit named The Rabbot, to solve the world's "vegetable nightmare". Dr Weird then sprays the Rabbot in

220-426: A garbage matte to expose only the window areas. In order to have figures in one exposure actually move in front of a substituted background in the other, a travelling matte was needed, to occlude the correct portion of the background in each frame. In 1918 Frank Williams patented a travelling matte technique, again based on using a black background. This was used in many films, such as The Invisible Man . In

330-598: A "key". Green is used as a backdrop for TV and electronic cinematography more than any other colour because television weather presenters tended to wear blue suits. When chroma keying first came into use in television production, the blue screen that was then the norm in the movie industry was used out of habit, until other practical considerations caused the television industry to move from blue to green screens. Broadcast-quality colour television cameras use separate red, green and blue image sensors, and early analog TV chroma keyers required RGB component video to work reliably. From

440-513: A 15-minute run time was made as an original pitch pilot to the network. The original pilot was produced over the course of a year, just as an episode of Space Ghost Coast to Coast . In this version characters are seen in low resolution and are featured several times with transparent eyes and mouths as a result of fast keying to get the characters behind the background, as the production crew was focusing more on story telling than appearances. It features backgrounds and settings that differ greatly from

550-480: A DVD player, a figure that had surpassed VCRs; it was also higher than personal computers or cable television. The DVD specifications created and updated by the DVD Forum are published as so-called DVD Books (e.g. DVD-ROM Book, DVD-Audio Book, DVD-Video Book, DVD-R Book, DVD-RW Book, DVD-RAM Book, DVD-AR (Audio Recording) Book, DVD-VR (Video Recording) Book, etc.). DVD discs are made up of two discs; normally one

660-804: A NIST/ LoC research project conducted in 2005–2007 using accelerated life testing , "There were fifteen DVD products tested, including five DVD-R, five DVD+R, two DVD-RW and three DVD+RW types. There were ninety samples tested for each product. ... Overall, seven of the products tested had estimated life expectancies in ambient conditions of more than 45 years. Four products had estimated life expectancies of 30–45 years in ambient storage conditions. Two products had an estimated life expectancy of 15–30 years and two products had estimated life expectancies of less than 15 years when stored in ambient conditions." The life expectancies for 95% survival estimated in this project by type of product are tabulated below: Chroma key Chroma key compositing , or chroma keying ,

770-446: A November 1997 online interview, and clarified it would release discs in early 1998. However, this date would be pushed back several times before finally releasing their first titles at the 1999 Consumer Electronics Show . In 2001, blank DVD recordable discs cost the equivalent of $ 27.34 US dollars in 2022. Movie and home entertainment distributors adopted the DVD format to replace

880-427: A bright and saturated image. There are several different quality- and speed-optimised techniques for implementing colour keying in software. In most versions, a function f ( r , g , b ) → α is applied to every pixel in the image. α  (alpha) has a meaning similar to that in alpha compositing techniques. α  ≤ 0 means the pixel is fully in the green screen, α  ≥ 1 means

990-478: A chroma-key background and inserted into the background shot with a distortion effect, in order to create a cloak that is marginally detectable. Difficulties emerge with blue screen when a costume in an effects shot must be blue, such as Superman 's traditional blue outfit. In the 2002 film Spider-Man , in scenes where both Spider-Man and the Green Goblin are in the air, Spider-Man had to be shot in front of

1100-463: A computer can use these markers to compute the camera's position and thus render an image that matches the perspective and movement of the foreground perfectly. Modern advances in software and computational power have eliminated the need to accurately place the markers ⁠— ⁠the software figures out their position in space; a potential disadvantage of this is that it requires camera movement, possibly contributing to modern cinematographic techniques whereby

1210-634: A computer. DVD players are a particular type of devices that do not require a computer to work, and can read DVD-Video and DVD-Audio discs. Read and write speeds for the first DVD drives and players were 1,385  kB /s (1,353  KiB /s); this speed is usually called "1×". More recent models, at 18× or 20×, have 18 or 20 times that speed. For CD drives, 1× means 153.6 kB/s (150 KiB/s), about one-ninth as swift. DVDs can spin at much higher speeds than CDs – DVDs can spin at up to 32000 RPM vs 23000 for CDs. In practice, they are not spun by optical drives anywhere close to these speeds to provide

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1320-484: A cost: DVD±DLs have slower write speeds as compared to DVD±R. DVD-R DL was developed for the DVD Forum by Pioneer Corporation ; DVD+R DL was developed for the DVD+RW Alliance by Mitsubishi Kagaku Media (MKM) and Philips . Recordable DVD discs supporting dual-layer technology are backward-compatible with some hardware developed before the recordable medium. DVD drives are devices that can read DVD discs on

1430-416: A default value of 1.0. A very simple g () is ( r , min( g , b ), b ). This is fairly close to the capabilities of analog and film-based screen pulling. Modern examples of these functions are best described by two closed nested surfaces in 3D RGB space, often quite complex. Colours inside the inner surface are considered green screen. Colours outside the outer surface are opaque foreground. Colours between

1540-487: A double-sided disc. Philips and Sony decided that it was in their best interests to end the format war, and on September 15, 1995 agreed to unify with companies backing the Super Density Disc to release a single format, with technologies from both. After other compromises between MMCD and SD, the group of computer companies won the day, and a single format was agreed upon. The computer companies also collaborated with

1650-763: A dual-layer DVD up to 8.5 GB. Variants can store up to a maximum of 17.08 GB. Prerecorded DVDs are mass-produced using molding machines that physically stamp data onto the DVD. Such discs are a form of DVD-ROM because data can only be read and not written or erased. Blank recordable DVD discs ( DVD-R and DVD+R ) can be recorded once using a DVD recorder and then function as a DVD-ROM. Rewritable DVDs ( DVD-RW , DVD+RW , and DVD-RAM ) can be recorded and erased many times. DVDs are used in DVD-Video consumer digital video format and less commonly in DVD-Audio consumer digital audio format, as well as for authoring DVD discs written in

1760-446: A field monitor, to the side of the screen, to see where they are putting their hands against the background images. A newer technique is to project a faint image onto the screen. Some films make heavy use of chroma key to add backgrounds that are constructed entirely using computer-generated imagery (CGI). Performances from different takes can be composited together, which allows actors to be filmed separately and then placed together in

1870-425: A filter or the high contrast film's colour sensitivity to expose only blue (and higher) frequencies. Blue light only shines through the colour negative where there is not blue in the scene, so this left the film clear where the blue screen was, and opaque elsewhere, except it also produced clear for any white objects (since they also contained blue). Removing these spots could be done by a suitable double-exposure with

1980-454: A green screen and the Green Goblin had to be shot in front of a blue screen. The colour difference is because Spider-Man wears a costume which is red and blue in colour and the Green Goblin wears a costume which is entirely green in colour. If both were shot in front of the same screen, parts of one character would be erased from the shot. For a clean division of foreground from background, it

2090-509: A green top to make it appear that the subject has no body), because the clothing may be replaced with the background image/video. An example of intentional use of this is when an actor wears a blue covering over a part of his body to make it invisible in the final shot. This technique can be used to achieve an effect similar to that used in the Harry Potter films to create the effect of an invisibility cloak . The actor can also be filmed against

2200-433: A narrow frequency band, which can then be separated from the other light using a prism, and projected onto a separate but synchronized film carrier within the camera. This second film is high-contrast black and white, and is processed to produce the matte. A newer technique is to use a retroreflective curtain in the background, along with a ring of bright LEDs around the camera lens . This requires no light to shine on

2310-482: A noticeable pause in A/V playback on earlier DVD players , the length of which varies between hardware. A printed message explaining that the layer-transition pause was not a malfunction became standard on DVD keep cases . During mastering, a studio could make the transition less obvious by timing it to occur just before a camera angle change or other abrupt shift, an early example being the DVD release of Toy Story . Later in

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2420-475: A press release stating that they would only accept a single format. The group voted to boycott both formats unless the two camps agreed on a single, converged standard. They recruited Lou Gerstner , president of IBM, to pressure the executives of the warring factions. In one significant compromise, the MMCD and SD groups agreed to adopt proposal SD 9, which specified that both layers of the dual-layered disc be read from

2530-420: A quarter of the time needed for other methods. In principle, any type of still background can be used as a chroma key instead of a solid colour. First the background is captured without actors or other foreground elements; then the scene is recorded. The image of the background is used to cancel the background in the actual footage; for example in a digital image, each pixel will have a different chroma key. This

2640-463: A reasonable match. For outdoor scenes, overcast days create a diffuse, evenly coloured light which can be easier to match in the studio, whereas direct sunlight needs to be matched in both direction and overall colour based on time of day. A studio shot taken in front of a green screen will naturally have ambient light the same colour as the screen, due to its light scattering. This effect is known as spill . This can look unnatural or cause portions of

2750-449: A safety margin. DVD drives limit reading speed to 16× (constant angular velocity), which means 9280 rotations per minute. Early-generation drives released before the mid-2000s have lower limits. DVD recordable and rewritable discs can be read and written using either constant angular velocity (CAV), constant linear velocity (CLV), Partial constant angular velocity (P-CAV) or Zoned Constant Linear Velocity (Z-CLV or ZCLV). Due to

2860-476: A scene featuring a genie escaping from a bottle was the first use of a proper bluescreen process to create a travelling matte for The Thief of Bagdad (1940), which won the Academy Award for Best Special Effects that year. In 1950, Warner Brothers employee and ex- Kodak researcher Arthur Widmer began working on an ultraviolet travelling matte process. He also began developing bluescreen techniques: one of

2970-420: A special AVCHD format to hold high definition material (often in conjunction with AVCHD format camcorders ). DVDs containing other types of information may be referred to as DVD data discs. The Oxford English Dictionary comments that, "In 1995, rival manufacturers of the product initially named digital video disc agreed that, in order to emphasize the flexibility of the format for multimedia applications,

3080-545: A standard definition CRT TV or an HD flat panel TV with a DVD mechanism under the CRT or on the back of the flat panel, and VCR/DVD combos were also available for purchase. For consumers, DVD soon replaced VHS as the favored choice for home movie releases. In 2001, DVD players outsold VCRs for the first time in the United States. At that time, one in four American households owned a DVD player. By 2007, about 80% of Americans owned

3190-619: A static image to be inserted into the scene. The chroma keying technique is commonly used in video production and post-production. This technique is also referred to as colour keying , colour-separation overlay ( CSO ; primarily by the BBC ), or by various terms for specific colour-related variants such as green screen or blue screen ; chroma keying can be done with backgrounds of any colour that are uniform and distinct, but green and blue backgrounds are more commonly used because they differ most distinctly in hue from any human skin colour . No part of

3300-432: A storage capacity of 4.7 GB (4.38 GiB ) for a single-layered, single-sided disc and 8.5 GB (7.92 GiB) for a dual-layered, single-sided disc. The DVD specification ended up similar to Toshiba and Matsushita's Super Density Disc, except for the dual-layer option. MMCD was single-sided and optionally dual-layer, whereas SD was two half-thickness, single-layer discs which were pressed separately and then glued together to form

3410-440: A technological perspective it was equally possible to use the blue or green channel, but because blue clothing was an ongoing challenge, the green screen came into common use. Newscasters sometimes forget the chroma key dress code, and when the key is applied to clothing of the same colour as the background, the person would seem to disappear into the key. Because green clothing is less common than blue, it soon became apparent that it

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3520-523: Is a digital optical disc data storage format. It was invented and developed in 1995 and first released on November 1, 1996, in Japan . The medium can store any kind of digital data and has been widely used to store video programs (watched using DVD players ), software and other computer files. DVDs offer significantly higher storage capacity than compact discs (CD) while having the same dimensions. A standard single-layer DVD can store up to 4.7 GB of data,

3630-467: Is a visual-effects and post-production technique for compositing (layering) two or more images or video streams together based on colour hues ( chroma range). The technique has been used in many fields to remove a background from the subject of a photo or video – particularly the newscasting , motion picture , and video game industries. A colour range in the foreground footage is made transparent, allowing separately filmed background footage or

3740-405: Is achieved by a simple numerical comparison between the video and the pre-selected colour. If the colour at a particular point on the screen matches (either exactly, or in a range), then the video at that point is replaced by the alternate background. In order to create an illusion that characters and objects filmed are present in the intended background scene, the lighting in the two scenes must be

3850-451: Is also important that clothing and hair in the foreground shot have a fairly simple silhouette, as fine details such as frizzy hair may not resolve properly. Similarly, partially transparent elements of the costume cause problems. Blue was originally used for the film industry as making the separations required a film that would only respond to the screen colour, and film that responded only to blue and higher frequencies (ultraviolet, etc.)

3960-419: Is available in two formats, General (650 nm) and Authoring (635 nm), where Authoring discs may be recorded with CSS encrypted video content but General discs may not. Dual-layer recording (occasionally called double-layer recording) allows DVD-R and DVD+R discs to store nearly double the data of a single-layer disc—8.5 and 4.7 gigabyte capacities, respectively. The additional capacity comes at

4070-496: Is best to have as narrow a colour range as possible being replaced. A shadow would present itself as a darker colour to the camera and might not register for replacement. This can sometimes be seen in low-budget or live broadcasts where the errors cannot be manually repaired or scenes reshot. The material being used affects the quality and ease of having it evenly lit. Materials which are shiny will be far less successful than those that are not. A shiny surface will have areas that reflect

4180-462: Is blank, and the other contains data. Each disc is 0.6 mm thick, and are glued together to form a DVD disc. The gluing process must be done carefully to make the disc as flat as possible to avoid both birefringence and "disc tilt", which is when the disc is not perfectly flat, preventing it from being read. Some specifications for mechanical, physical and optical characteristics of DVD optical discs can be downloaded as freely available standards from

4290-520: Is instead presented as a series of inanimate sketches from a story board , featuring an additional team of scientists who never appear in the series or the final cut of this episode. The sketches of Dr. Weird and Steve used are significantly different from the final versions of the characters. Willis stated that the sketches almost got the project killed mainly as a result of the animation transfer. An unfinished version of "Rabbot" originally aired on December 30, 2000 on Cartoon Network, several months before

4400-450: Is lost. Numerous factors affect longevity: composition and quality of the media (recording and substrate layers), humidity and light storage conditions, the quality of the initial recording (which is sometimes a matter of mutual compatibility of media and recorder), etc. According to NIST , "[a] temperature of 64.4 °F (18 °C) and 40% RH [Relative Humidity] would be considered suitable for long-term storage. A lower temperature and RH

4510-492: Is measureable, which means that future data losses caused by deteriorating media can be predicted well in advance by measuring the rate of correctable data errors. Support of measuring the disc quality varies among optical drive vendors and models. DVD-Video is a standard for distributing video/audio content on DVD media. The format went on sale in Japan on November 1, 1996, in the United States on March 24, 1997, to line up with

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4620-568: Is recommended for extended-term storage." As with CDs, the information and data storage will begin to degrade over time with most standard DVDs lasting up to 30 years depending on the type of environment they are stored and whether they are full with data. According to the Optical Storage Technology Association (OSTA), "Manufacturers claim lifespans ranging from 30 to 100 years for DVD, DVD-R and DVD+R discs and up to 30 years for DVD-RW, DVD+RW and DVD-RAM." According to

4730-409: Is some use of the specific full-intensity magenta colour #FF00FF in digital colour images to encode (1-bit) transparency; this is sometimes referred to as "magic pink". This is not a photographic technique and the extraction of the foreground from the background is trivial. The biggest challenge when setting up a blue screen or green screen is even lighting and the avoidance of shadow because it

4840-437: Is sometimes referred to as a difference matte . However, this makes it easy for objects to be accidentally removed if they happen to be similar to the background, or for the background to remain due to camera noise or if it happens to change slightly from the reference footage. A background with a repeating pattern alleviates many of these issues, and can be less sensitive to wardrobe colour than solid-colour backdrops. There

4950-425: Is the pilot as well as the first episode of Aqua Teen Hunger Force . It was written and directed by series creators Dave Willis and Matt Maiellaro , who have since written and directed every episode of the series. Several backgrounds were borrowed from other Cartoon Network properties like Johnny Quest and SWAT Kats: The Radical Squadron for use in "Rabbot". The "Powerpuff Mall" featured in this episode

5060-478: Is the explanation provided in a DVD Forum Primer from 2000 and in the DVD Forum 's mission statement, which the purpose is to promote broad acceptance of DVD products on technology, across entertainment, and other industries. Because DVDs became highly popular for the distribution of movies in the 2000s, the term DVD became popularly used in English as a noun to describe specifically a full-length movie released on

5170-497: The 69th Academy Awards that day; in Canada, Central America, and Indonesia later in 1997; and in Europe, Australia, and Africa in 1998. DVD-Video became the dominant form of home video distribution in Japan when it first went on sale on November 1, 1996, but it shared the market for home video distribution in the United States for several years; it was June 15, 2003, when weekly DVD-Video in

5280-552: The ISO website. There are also equivalent European Computer Manufacturers Association (Ecma) standards for some of these specifications, such as Ecma-267 for DVD-ROMs. Also, the DVD+RW Alliance publishes competing recordable DVD specifications such as DVD+R, DVD+R DL, DVD+RW or DVD+RW DL . These DVD formats are also ISO standards. Some DVD specifications (e.g. for DVD-Video) are not publicly available and can be obtained only from

5390-607: The Optical Storage Technology Association (OSTA) on the use of their implementation of the ISO-13346 file system (known as Universal Disk Format ) for use on the new DVDs. The format's details were finalized on December 8, 1995. In November 1995, Samsung announced it would start mass-producing DVDs by September 1996. The format launched on November 1, 1996, in Japan, mostly with music video releases. The first major releases from Warner Home Video arrived on December 20, 1996, with four titles being available. The format's release in

5500-407: The focal length of the lenses used can affect the success of chroma key. Another challenge for blue screen or green screen is proper camera exposure . Underexposing or overexposing a coloured backdrop can lead to poor saturation levels. In the case of video cameras, underexposed images can contain high amounts of noise , as well. The background must be bright enough to allow the camera to create

5610-521: The format war of 2006–2008 . A dual layer HD DVD can store up to 30 GB and a dual layer Blu-ray disc can hold up to 50 GB. However, unlike previous format changes, e.g., vinyl to Compact Disc or VHS videotape to DVD, initially there was no immediate indication that production of the standard DVD will gradually wind down, as at the beginning of the 2010s they still dominated, with around 75% of video sales and approximately one billion DVD player sales worldwide as of April 2011. In fact, experts claimed that

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5720-437: The 1920s, Walt Disney used a white backdrop to include human actors with cartoon characters and backgrounds in his Alice Comedies . The blue screen method was developed in the 1930s at RKO Radio Pictures . At RKO, Linwood Dunn used an early version of the travelling matte to create "wipes" – where there were transitions like a windshield wiper in films such as Flying Down to Rio (1933). Credited to Larry Butler ,

5830-460: The DVD Book assigns them distinct disc types. DVD-14 has no analogous 8 cm type. The comparative data for 8 cm discs is provided further down. HP initially developed recordable DVD media from the need to store data for backup and transport. DVD recordables are now also used for consumer audio and video recording. Three formats were developed: DVD-R / RW , DVD+R / RW (plus), and DVD-RAM . DVD-R

5940-643: The DVD Format/Logo Licensing Corporation (DVD FLLC) for a fee of US$ 5000. Every subscriber must sign a non-disclosure agreement as certain information on the DVD Books is proprietary and confidential. Borrowing from the LaserDisc format, the DVD standard includes DVD-10 discs (Type B in ISO) with two recorded data layers such that only one layer is accessible from either side of the disc. This doubles

6050-500: The DVD would remain the dominant medium for at least another five years as Blu-ray technology was still in its introductory phase, write and read speeds being poor and necessary hardware being expensive and not readily available. Consumers initially were also slow to adopt Blu-ray due to the cost. By 2009, 85% of stores were selling Blu-ray Discs. A high-definition television and appropriate connection cables are also required to take advantage of Blu-ray disc. Some analysts suggested that

6160-457: The Rabbot starts to chase them. The Aqua Teens regroup in Carl's pool, where Shake says that the Rabbot (who is still dancing to the music from Meatwad's jam box) has made downtown unsafe and that they must find some new restaurants and nightclubs. Carl then demands they get out of his pool. The episode ends with the Rabbot dancing downtown, while the closing credits are shown on a split screen. "Rabbot"

6270-456: The U.S. was delayed multiple times, from August 1996, to October 1996, November 1996, before finally settling on early 1997. Players began to be produced domestically that winter, with March 24, 1997, as the U.S. launch date of the format proper in seven test markets. Approximately 32 titles were available on launch day, mainly from the Warner Bros. , MGM , and New Line libraries, with

6380-456: The United States rentals began outnumbering weekly VHS cassette rentals. DVD-Video is still the dominant form of home video distribution worldwide except for in Japan where it was surpassed by Blu-ray Disc when Blu-ray first went on sale in Japan on March 31, 2006. The purpose of CSS is twofold: In 2006, two new formats called HD DVD and Blu-ray Disc were released as the successor to DVD. HD DVD competed unsuccessfully with Blu-ray Disc in

6490-405: The actor in front of a blue screen together with the background footage, one frame at a time. In the early 1970s, American and British television networks began using green backdrops instead of blue for their newscasts. During the 1980s, minicomputers were used to control the optical printer. For the film The Empire Strikes Back , Richard Edlund created a "quad optical printer" that accelerated

6600-561: The background as the subject moves. Prior to the introduction of travelling mattes and optical printing , double exposure was used to introduce elements into a scene which were not present in the initial exposure. This was done using black draping where a green screen would be used today. George Albert Smith first used this approach in 1898. In 1903, The Great Train Robbery by Edwin S. Porter used double exposure to add background scenes to windows which were black when filmed on set, using

6710-449: The background other than the LEDs, which use an extremely small amount of power and space unlike big stage lights , and require no rigging . This advance was made possible by the invention in the 1990s of practical blue LEDs, which also allow for emerald green LEDs. There is also a form of colour keying that uses light spectrum invisible to human eye. Called Thermo-Key, it uses infrared as

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6820-559: The biggest obstacle to replacing DVD was due to its installed base; a large majority of consumers were satisfied with DVDs. DVDs started to face competition from video on demand services around 2015. With increasing numbers of homes having high speed Internet connections, many people had the option to either rent or buy video from an online service, and view it by streaming it directly from that service's servers, meaning they no longer need any form of permanent storage media for video at all. By 2017, digital streaming services had overtaken

6930-478: The camera being more sensitive to green light. In analog television , colour is represented by the phase of the chroma subcarrier relative to a reference oscillator. Chroma key is achieved by comparing the phase of the video to the phase corresponding to the pre-selected colour. In-phase portions of the video are replaced by the alternate background video. In digital colour TV , colour is represented by three numbers (red, green, blue intensity levels). Chroma key

7040-452: The camera is always in motion. The principal subject is filmed or photographed against a background consisting of a single colour or a relatively narrow range of colours, usually blue or green because these colours are considered to be the furthest away from skin tone. The portions of the video which match the pre-selected colour are replaced by the alternate background video. This process is commonly known as " keying ", "keying out" or simply

7150-454: The characters to disappear, so must be compensated for, or avoided by using a larger screen placed far from the actors. The depth of field used to record the scene in front of the coloured screen should match that of the background. This can mean recording the actors with a larger depth of field than normal. A chroma key subject must avoid wearing clothes which are similar in colour to the chroma key colour(s) (unless intentional e.g., wearing

7260-445: The cleanest key. In the digital television and cinema age, much of the tweaking that was required to make a good quality key has been automated. However, the one constant that remains is some level of colour coordination to keep foreground subjects from being keyed out. Before electronic chroma keying, compositing was done on (chemical) film. The camera colour negative was printed onto high-contrast black and white negative, using either

7370-495: The cold open, after the Rabbot escapes, Dr. Weird says "Unleash the mechanical frog!" and the giant garage door opens again, showing a huge mechanical frog. There was also a scene of Master Shake sitting in the hair salon talking about things he hates. After Meatwad says "everyone likes dancing" it cuts to Shake getting his hair done and saying "..And I HATE dancing. It's one of my LEAST favorite things to do. Other things I hate are work, exercise, people, stupid people—". This version of

7480-409: The colour positive (thus turning any area containing red or green opaque), and many other techniques. The result was film that was clear where the blue screen was, and opaque everywhere else. This is called a female matte , similar to an alpha matte in digital keying. Copying this film onto another high-contrast negative produced the opposite male matte . The background negative was then packed with

7590-475: The developers of the DVD format and eventually the first company to actually release a DVD-based console. Game consoles such as the PlayStation 2 , Xbox , and Xbox 360 use DVDs as their source medium for games and other software. Contemporary games for Windows were also distributed on DVD. Early DVDs were mastered using DLT tape, but using DVD-R DL or +R DL eventually became common. TV DVD combos , combining

7700-402: The episode has never been re-aired or digitally released, but a recording of it can be found online. "Rabbot" was never aired again until the final cut made its official television debut on September 16, 2001 on Adult Swim in the United States, only two weeks after Adult Swim launched on September 2, 2001. The series had already made its official television debut a week earlier on Adult Swim with

7810-521: The face with French perfume, which causes the Rabbot to go berserk, break out of Dr. Weird's laboratory, and flatten Carl's car. The next morning, Carl notices his flattened car; Master Shake comes out to solve the mystery of what happened to Carl's car, but after briefly examining the crime scene, Master Shake concludes that "Meteors did it" and charges Carl $ 20. Frylock then comes out to teleport Carl to work. Carl reasserts that he works out of home, so Frylock's teleportation beam simply flings Carl onto

7920-433: The female matte and exposed onto a final strip of film, then the camera negative was packed with the male matte and was double-printed onto this same film. These two images combined creates the final effect. The most important factor for a key is the colour separation of the foreground (the subject) and background (the screen) – a blue screen will be used if the subject is predominantly green (for example plants), despite

8030-503: The first films to use them was the 1958 adaptation of the Ernest Hemingway novella, The Old Man and the Sea , starring Spencer Tracy . The name "Chroma-Key" was RCA 's trade name for the process, as used on its NBC television broadcasts, incorporating patents granted to RCA's Albert N. Goldsmith. A very early broadcast use was NBC's George Gobel Show in fall 1957. Petro Vlahos

8140-889: The format's life, larger data buffers and faster optical pickups in DVD players made layer transitions effectively invisible regardless of mastering. Dual-layer DVDs are recorded using Opposite Track Path (OTP). The DVD Book also permits an additional disc type called DVD-14: a hybrid double-sided disc with one dual-layer side, one single-layer side, and a total nominal capacity of 12.3 GB. DVD-14 has no counterpart in ISO. Both of these additional disc types are extremely rare due to their complicated and expensive manufacturing. For this reason, some DVDs that were initially issued as double-sided discs were later pressed as two-disc sets. Note : The above sections regarding disc types pertain to 12 cm discs. The same disc types exist for 8 cm discs: ISO standards still regard these discs as Types A–D, while

8250-442: The format; for example the sentence to "watch a DVD" describes watching a movie on DVD. Released in 1987, CD Video used analog video encoding on optical discs matching the established standard 120 mm (4.7 in) size of audio CDs. Video CD (VCD) became one of the first formats for distributing digitally encoded films in this format, in 1993. In the same year, two new optical disc storage formats were being developed. One

8360-591: The fourth episode, "Mayhem of the Mooninites", this premise and the use of the name by the characters were dropped. The use of this premise was satirized and mocked in some later episodes. The 2010 episode from season seven , " Rabbot Redux " is named after this episode. This episode features multiple clips, references and lines taken directly from "Rabbot". The Rabbot also makes a third appearance in this episode, where he crushes Frylock, Master Shake, and Meatwad's newly purchased house. A rough cut version of "Rabbot" with

8470-427: The green channel. Green can also be used outdoors where the light colour temperature is significantly blue. Red is avoided as it is in human skin, and any other colour is a mix of primaries and thus produces a less clean extraction. A so-called " yellow screen " is accomplished with a white backdrop. Ordinary stage lighting is used in combination with a bright yellow sodium lamp. The sodium light falls almost entirely in

8580-414: The green screen two stops higher than the subject, or vice versa. Sometimes a shadow can be used to create a visual effect. Areas of the blue screen or green screen with a shadow on them can be replaced with a darker version of the desired background video image, making it look like the person is casting a shadow on them. Any spill of the chroma key colour will make the result look unnatural. A difference in

8690-456: The ground up. By the beginning of the 2020s, sales of DVD had dropped 86% with respect to the peak of DVD sales around 2005, while on-demand sales and, overall, subscription streaming of TV shows and movies grew by over 1,200%. At its peak, DVD sales represented almost two thirds of video market in the US; approximately 15 years later, around 2020, they fell to only 10% of the market. By 2022, there

8800-438: The image in which the colour is blue. If the news presenter wears blue clothes, their clothes will also be replaced with the background video. Chroma keying is also common in the entertainment industry for visual effects in movies and video games. Rotoscopy may instead be carried out on subjects that are not in front of a green (or blue) screen. Motion tracking can also be used in conjunction with chroma keying, such as to move

8910-423: The key colour, which would not be replaced by background image during postprocessing . For Star Trek: The Next Generation , an ultraviolet light matting process was proposed by Don Lee of CIS Hollywood and developed by Gary Hutzel and the staff of Image G . This involved a fluorescent orange backdrop which made it easier to generate a holdout matte , thus allowing the effects team to produce effects in

9020-409: The lights making them appear pale, while other areas may be darkened. A matte surface will diffuse the reflected light and have a more even colour range. In order to get the cleanest key from shooting green screen, it is necessary to create a value difference between the subject and the green screen. In order to differentiate the subject from the screen, a two-stop difference can be used, either by making

9130-463: The mall, where Frylock discovers a mountain of evidence from Rabbot's rampage. He continues to investigate, but Shake, growingly increasingly bored, calls off the investigation and declares the case solved. As the Aqua Teens return home, they head through downtown and notice that the Rabbot is rampaging through the city and is spraying buildings with his hair growing formula. The Rabbot sprays Shake with

9240-412: The mission and wishes to close it, but Frylock insists that they continue. Meatwad is then hitched to the Aqua Teens' mode of transportation, the "Danger Cart". After a mishap with the garage door, which Frylock resolves by blowing it up, the Aqua Teens head for the mall. However, the Rabbot has already rampaged the mall, spraying various objects with a strange hair growing formula. The Aqua Teens make it to

9350-428: The notable inclusion of the 1996 film Twister . However, the launch was planned for the following day (March 25), leading to a distribution change with retailers and studios to prevent similar violations of breaking the street date . The nationwide rollout for the format happened on August 22, 1997. DTS announced in late 1997 that they would be coming onto the format. The sound system company revealed details in

9460-474: The official launch of Adult Swim. It aired alongside the unfinished pilot episode of Harvey Birdman, Attorney at Law and two different episodes of Sealab 2021 . Nine days earlier on December 21, 2000 the unfinished pilot episode for The Brak Show and the first episode of Sealab 2021 had also aired in the same fashion. These programs were listed as "Special Programming" on official listings. The version that aired on December 30, 2000 featured scenes from

9570-451: The original film recordings. Shows that were made between the early 1980s and the early 2000s were generally shot on film, then transferred to video tape, and then edited natively in either NTSC or PAL; this makes high-definition transfers impossible, as these SD standards were baked into the final cuts of the episodes. Star Trek: The Next Generation was the only such show that had a Blu-ray release, as prints were re-scanned and edited from

9680-547: The original pitch pilot that were eventually cut from the final version of the episode. There was no theme song or opening titles, the segues that cut to another scene were also different – instead of Schooly D narrating over rap music, they showed the old "outer space zoom" segue from the Hanna-Barbera Super Friends cartoon, with the instrumental of the Aqua Teen Hunger Force theme played over it. In

9790-508: The original pitch pilot version by Willis, Maiellaro, and Jay Wade Edwards . The set was later released in Region 2 on April 27, 2009 and in Region 4 by Madman Entertainment on November 7, 2007. "Rabbot" is also available on iTunes , the Xbox Live Marketplace , and Amazon Video . DVD The DVD (common abbreviation for digital video disc or digital versatile disc )

9900-439: The pixel is fully in the foreground object, and intermediate values indicate the pixel is partially covered by the foreground object (or it is transparent). A further function g ( r ,  g ,  b ) → ( r ,  g ,  b ) is needed to remove green spill on the foreground objects. A very simple f () function for green screen is A ( r + b ) − Bg where A and B are user adjustable constants with

10010-399: The preferred abbreviation DVD would be understood to denote digital versatile disc." The OED also states that in 1995, "The companies said the official name of the format will simply be DVD. Toshiba had been using the name 'digital video disc', but that was switched to 'digital versatile disc' after computer companies complained that it left out their applications." "Digital versatile disc"

10120-462: The process considerably and saved money. He received a special Academy Award for his innovation. For decades, travelling matte shots had to be done "locked-down", so that neither the matted subject nor the background could shift their camera perspective at all. Later, computer-timed, motion-control cameras alleviated this problem, as both the foreground and background could be filmed with the same camera moves. Meteorologists on television often use

10230-498: The roof of his house. Master Shake and Frylock then proceed to solve the rest of this mystery from inside Carl's pool against his demands. There, Shake says that the culprit "is someone who is jealous of Carl's ability to drive" and goes to wake Meatwad . Upon awakening, Meatwad begins to dance to his jam box, but then Shake stomps on it, saying that "Dancing is forbidden". Once again, Master Shake, Frylock, and Meatwad loiter in Carl's pool, where Shake loses all his enthusiasm he had for

10340-412: The sales of DVDs and Blu-rays for the first time. Until the end of the 2010s, manufacturers continued to release standard DVD titles as of 2020 , and the format remained the preferred one for the release of older television programs and films. Shows that were shot and edited entirely on film, such as Star Trek: The Original Series , could not be released in high definition without being re-scanned from

10450-441: The same scene. Chroma key allows performers to appear to be in any location without leaving the studio. Advances in computer technology have simplified the incorporation of motion into composited shots, even when using handheld cameras. Reference points such as a painted grid, X's marked with tape, or equally spaced tennis balls attached to the wall, can be placed onto the coloured background to serve as markers. In post-production,

10560-414: The same side—instead of proposal SD 10, which would have created a two-sided disc that users would have to turn over. Philips/Sony strongly insisted on the source code, EFMPlus , that Kees Schouhamer Immink had designed for the MMCD, because it makes it possible to apply the existing CD servo technology. Its drawback was a loss from 5 to 4.7 Gbyte of capacity. As a result, the DVD specification provided

10670-556: The second episode "Escape from Leprechaupolis" on September 9, 2001. "Rabbot" was released on DVD as part of the Aqua Teen Hunger Force Volume One DVD set on November 18, 2003 in Region 1, along with fifteen other episodes from the first season. The set was released and distributed by Adult Swim and Warner Home Video , and features the original pitch pilot version of "Rabbot" along with optional audio commentary on

10780-412: The series, including a scrapped laboratory that was to be in the protagonist's house, seen right off the living room. Frylock is depicted as a wizard-like sorcerer who performs spells, and Master Shake constantly refers to things as being "forbidden" and calls the team to assemble, both of these concepts were soon dropped. The opening scene featuring Dr. Weird and Steve was not animated for the most part, it

10890-663: The slightly lower data density of dual layer DVDs (4.25 GB instead of 4.7 GB per layer), the required rotation speed is around 10% faster for the same data rate, which means that the same angular speed rating equals a 10% higher physical angular rotation speed. For that reason, the increase of reading speeds of dual layer media has stagnated at 12× ( constant angular velocity ) for half-height optical drives released since around 2005, and slim type optical drives are only able to record dual layer media at 6× (constant angular velocity), while reading speeds of 8× are still supported by such. The quality and data integrity of optical media

11000-479: The spray, causing him to grow long hair and to abandon the mission to get a perm. Meatwad then stops Rabbot by playing his jam box, which causes Rabbot to dance along to the music. However, upon Shake's return, he orders Frylock to blast the Rabbot with his eye lasers, but they reflect off his body and burn Shake's hair off. Angered, Shake declares he will destroy the Rabbot, but only produces a blob of milkshake that plops out of him harmlessly. The Aqua Teens then flee as

11110-411: The subject being filmed or photographed may duplicate the colour used as the backing, or the part may be erroneously identified as part of the backing. It is commonly used for live weather forecast broadcasts in which a news presenter is seen standing in front of a large CGI map which is really a large blue or green background. Using a blue screen, different weather maps are added on the parts of

11220-409: The surfaces are partially covered, they are more opaque the closer they are to the outer surface. Sometimes more closed surfaces are used to determine how to remove green spill. It is also very common for f () to depend on more than just the current pixel's colour, it may also use the ( x ,  y ) position, the values of nearby pixels, the value from reference images or a statistical colour model of

11330-416: The total nominal capacity of a DVD-10 disc to 9.4 GB (8.75 GiB), but each side is locked to 4.7 GB. Like DVD-5 discs, DVD-10 discs are defined as single-layer (SL) discs. DVD hardware accesses the additional layer (layer 1) by refocusing the laser through an otherwise normally-placed, semitransparent first layer (layer 0). This laser refocus—and the subsequent time needed to reacquire laser tracking—can cause

11440-430: The ubiquitous VHS tape as the primary consumer video distribution format. Immediately following the formal adoption of a unified standard for DVD, two of the four leading video game console companies ( Sega and The 3DO Company ) said they already had plans to design a gaming console with DVDs as the source medium. Sony stated at the time that they had no plans to use DVD in their gaming systems, despite being one of

11550-413: Was an increased demand of high definition media, where Ultra HD Blu-ray and regular Blu-ray formats made up for almost half of the US market while sales of physical media continued to shrink in favor of streaming services. Longevity of a storage medium is measured by how long the data remains readable, assuming compatible devices exist that can read it: that is, how long the disc can be stored until data

11660-410: Was awarded an Academy Award for his refinement of these techniques in 1964. His technique exploits the fact that most objects in real-world scenes have a colour whose blue-colour component is similar in intensity to their green-colour component. Zbigniew Rybczyński also contributed to bluescreen technology. An optical printer with two projectors, a film camera and a "beam splitter", was used to combine

11770-427: Was easier to use a green matte screen than it was to constantly police the clothing choices of on-air talent. Also, because the human eye is more sensitive to green wavelengths, which lie in the middle of the visible light spectrum, the green analog video channel typically carried more signal strength, giving a better signal to noise ratio compared to the other component video channels, so green screen keys could produce

11880-507: Was far easier to manufacture and make reliable than film that somehow excluded both frequencies higher and lower than the screen colour. In television and digital film making, however, it is equally easy to extract any colour, and green quickly became the favoured colour. Bright green is less likely to be in the foreground objects, colour film emulsions usually had much finer grain in the green, and lossy compression used for analog video signals and digital images and movies retain more detail in

11990-428: Was taken from the pilot episode of The Powerpuff Girls , "Meat Fuzzy Lumkins", the same mall appears in later episodes. Additional backgrounds made original for the series were done by Jon Schnepp and Bob Pettitt. "Rabbot" is one of the few episodes to feature the main protagonists as detectives, a premise was added to appease Cartoon Network executives, who did not initially understand the series' concept at first. By

12100-847: Was the Multimedia Compact Disc (MMCD), backed by Philips and Sony (developers of the CD and CD-i ), and the other was the Super Density (SD) disc, supported by Toshiba , Time Warner , Matsushita Electric , Hitachi , Mitsubishi Electric , Pioneer , Thomson , and JVC . By the time of the press launches for both formats in January 1995, the MMCD nomenclature had been dropped, and Philips and Sony were referring to their format as Digital Video Disc (DVD). On May 3, 1995, an ad hoc , industry technical group formed from five computer companies (IBM, Apple, Compaq , Hewlett-Packard , and Microsoft) issued

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