A widescreen image is a film, computer or television image with a wider and shorter aspect ratio than the standard
Academy framedeveloped during the classical Hollywood cinemaera. Silent film was projected at a ratio of four units wide to three units tall, often expressed as 4:3 or 1.33:1. The addition of sound-on-film soundtracks and a thicker frame line in order to hide physical splices in prints caused the frame dimensions to standardize by 1932 to Academy format, which is actually 1.37 but often erroneously called 1.33.
Widescreen was first widely used in the late 1920s in some shorts and newsreels, including "Fox Grandeur News" and "Fox Movietone Follies of 1929", both released on
May 26, 1929 in New York Cityin the Fox Grandeur process. Other films shown in widescreen were the musical "Happy Days" (1929) which premiered at the Roxy Theater, N.Y.C., on February 13, 1930, starring Janet Gaynorand Charles Farrelland a 12 year old Betty Grableas a chorus girl, and the western " The Big Trail" (1930) starring John Wayneand Tyrone Power, Sr.which premiered at Grauman's Chinese Theatrein Hollywoodon October 2, 1930[ [http://www.in70mm.com/newsletter/2001/64/grandeur/grandeur.htm Magnified Grandeur - The Big Screen 1926-31] , David Coles, 2001.] , both of which were also made in the 70mmFox Grandeur process. RKOreleased " Danger Lights" with Jean Arthur, Louis Wolheim, and Robert Armstrongon August 21, 1930 in a 65mm widescreen process known as NaturalVision, invented by film pioneer George K. Spoor. United Artistsreleased "The Bat Whispers" directed by Roland Weston November 13, 1930 in a 70mm widescreen process known as Magnifilm.
By 1932, the Depression had forced studios to cut back on needless expense and it wasn't until 1953 that wider aspect ratios were again used in an attempt to stop the fall in attendance due, partially, to the emergence of television in the U.S. However, a few producers and directors, among them
Alfred Hitchcock, have been reluctant to use the anamorphicwidescreen size featured in such formats as Cinemascope. Hitchcock alternatively used VistaVision, a non-anamorphic widescreen process developed by Paramount Picturesand Technicolorwhich could be adjusted to present various flat aspect ratios. [ [http://www.imdb.com/title/tt0053125/technical North by Northwest (1959) - Technical specifications ] ]
Note that aspect ratio refers here to the projected image, which may be different from the image that was initially recorded. There are various methods of producing a widescreen image of any given proportion. These are listed below in the order of popularity in the shooting of films for presentation in a theater.
"Masked", aka "flat." Introduced in April of 1953. The negative is shot exposing the Academy Ratio using spherical lenses, but the top and bottom of the picture are hidden or masked off a metal aperture plate, cut to specifications of the theater's screen, in the projector. Alternatively, a
hard mattein the printing or shooting stages may be used to mask off those areas while filming for composition purposes, but an aperture plate is still used to block off the appropriate areas in the theater. A detriment is that the film grain size is thus increased because only part of the image is being expanded to full height. Films are designed to be shown in cinemas in masked widescreen format but the full unmasked frame is sometimes used for television. In such an instance, a photographer will compose for widescreen, but "protect" the full image from things such as microphones and other filming equipment.
Common aspect ratios for flat widescreen are 1.85:1 and 1.66:1. Lesser used ratios included 1.75:1 and 2:1. The 2007 35mm short film "On a Tuesday", directed by David Scott Smith and shot by Svetlana Cvetko, employed a 3.18:1 aspect ratio, flat-printed with a hard matte. [Stasukevich, Iain. "Short Takes: "On a Tuesday" Exploits Panoramic Format",
American Cinematographer, July 2008.]
"Anamorphic", aka "scope." As introduced to the general public by CinemaScope in September 1953, and utilized by systems such as
Panavisionand others, anamorphiccamera lenses compress the image horizontally so that it fits a standard frame, and anamorphic projection lenses restore the image and spread it over the wide screen. The picture quality is at maximum because this method both uses more of the negative frame than any other traditional 35 mm filmprocess, optically compresses twice the image width, and does not require an intermediate conversion stage.
"Super gauges." The full negative frame, including the area traditionally reserved for the sound track, is filmed using a wider gate. The print is then shrunk and/or cropped in order to fit it back onto release prints. The aspect ratio for
Super 35, for example, can be set to virtually any projection standard.
"Large gauge." A
70 mm filmframe is not only twice as wide as a standard frame but also has greater height. Shooting and projecting a film in 70 mm therefore gives more than twice the image area of non-anamorphic 35 mm filmwith no loss of quality. Few major dramatic narrative films have been filmed entirely on this format since the 1970s; the two most recent are Ron Howard's " Far and Away" and Kenneth Branagh's "Hamlet". For many years, large budget pictures shot anamorphically used reserve stocks of 70mm film for SFX shots involving CGI or blue-screen compositing as the anamorphic format creates problems with said effects. It has also been used to sometimes strike 70 mm blow-up prints for "roadshow" tours in select cities from the 35 mm camera negative in order to capitalize on the extra sound channels provided. The introduction of digital sound systems and diminishing number of installed 70 mm projectors has made a 70 mm release largely obsolete. However, blowups from 35 mm formats to IMAXhas recently become popular for a limited number of blockbuster films.
VistaVisionwas a larger gauge precursor to 70 mm film. Introduced in 1954, it ran standard 35 mm film through the camera horizontally to achieve a widescreen effect using greater negative area, in order to create a finer-grained 35 mm prints in an era where standard monopack stock could not produce finer results. Frames were eight perforations wide. Eight-perf photography is sometimes used for shooting special effects in order to produce a finer grained matte that can be used in optical printing without image degradation, and is notable for its use in Lucasfilm's original three " Star Wars" films, among others.
"Multiple cameras/projectors." The
Cineramasystem originally involved shooting with three synchronized cameras locked together side by side, and projecting the three resulting films on a curved screen with three synchronized projectors. Later Cinerama movies were shot in 70 mm anamorphic (see below), and the resultant widescreen image was divided into three by optical printers to produce the final threefold prints. The technical drawbacks of Cinerama are discussed in its own article. Only two narrative feature films, " The Wonderful World of the Brothers Grimm" and "How the West Was Won", were filmed in three-camera Cinerama, and several sequences from the latter were actually filmed in Ultra-Panavision. With the exception of a few films created sporadically for use in specialty Cinerama theaters, the format is essentially dead.
A non-Cinerama, three-projector process was famously pioneered for the final reel of
Abel Gance's epic film "Napoléon" (1927). The process, called Polyvisionby Gance, consisted of three 1.33 images side by side, so that the total aspect ratio of the image is 4:1. The technical difficulties in mounting a full screening of the film, however, make most theaters unwilling or unable to show it in this format.
Between 1956 and 1957 the Soviets developed
Kinopanorama, which is identical in most respects to the original three-camera Cinerama.
"Anamorphic 70 mm." 70 mm with anamorphic lenses, popularly known as "Ultra Panavision" or "MGM Camera 65", creates an even wider high-quality picture. This camera process was most famously used in the 1959 version of "Ben-Hur", resulting in an aspect ratio of 2.76:1, one of the widest projected images ever used for a feature film. 70 mm anamorphic was not commonly used, due to the very high production costs, although it was favored for epic films such as "Ben-Hur" in order to capture wide panoramic landscapes and high-budget scenes with thousands of extras and enormous sets. This system is obsolete, despite its ease in setting up.
Comparison of systems
"Flat" refers to non-anamorphic films shot with a standard 35 mm gate. 1.85 and 1.66 tend to be its most common ratios.
# More compact visuals
# Sometimes better for films with many interior compositions
# Better depth of field than anamorphic
# More vertical format; better for taller composition
# Simplest system technically and most standardized; therefore has the most equipment at its disposal
# Equipment is less expensive and thus better for stunt cameras
# Easier to "protect" for video
# Inefficient use of negative space; anamorphic uses 59% more than 1.85, for example.
# More visible set ceilings (or lack thereof)
# Grainier opticals
# Greater magnification than anamorphic and more noticeable projector movement
# 70mm blow-ups had to be "pillar-boxed" (with black bands on either side), or severely cropped to accommodate the 2.2:1 aspect ratio.
# Larger negative area lowers grain, improves opticals, and increases sharpness
# More interesting compositions possible
# Preferred by big action, event, or epic films
# Closest to normal human field of vision
# Less vertical set design needed
# Highest resolution format; still far ahead of HDTV
# Most compatible with 70 mm blowup
# Anamorphic lenses are generally slow and cut down light in projection
# Format most hurt by pan-and-scan conversion for analogue television broadcasts
# Close-ups on a single person leave wide areas of the frame open, or limit themselves to an extreme close-up
# Lenses are individually hand ground, bulkier than flat lenses, and are too expensive to use with a stunt camera
# Early systems detrimented from weakly designed lenses, which affected definition, including sharpness, weak depth of field, and issues such as barrel distortion
# Better depth of field than anamorphic
# Final ratio can be changed between anamorphic and flat later in post-production, if the frame has been adequately protected
# Smaller lenses than anamorphic allow the camera to go to tighter places with less weight
# When used for 1.85:1 aspect ratio in 3-perforation format, allows nearly 25% larger negative and 33% savings in film consumption.
# When used for 2.39:1 aspect ratio, has the smallest negative area of any 35 mm format, which makes for more grain and magnification
# Increased contrast due to optical printing, and depending on how the image is cropped, may result in a grainier image
# Requires an optical intermediate step of printing in the lab, which is more expensive than contact printing
# Prints can not be struck from the original negative with a soundtrack
# Grain from the smaller negative must be countered with either slower film stock or overexposure of faster stock
# Pan-and-scan from a small negative magnifies grain
# The need to protect a film for varying aspect ratios (2.39:1, 1.85:1, or 1.33:1) can and often does compromise shot composition
# When originally used for 2.39:1 aspect ratio, creates burdens and confusion among consumers when it comes to purchasing decisions between the widescreen and pan and scan versions if they are sold separately
Widescreen TV and computer displays
Historically, consumer TVs have been 4:3, and since many U.S. TV viewers seem to prefer to see a TV screen completely filled with image, U.S. television networks often show widescreen movies with the sides truncated, using a technique called
pan and scan. Part of the image is concealed because of this truncation. While many film viewers consider this a great loss, this has not always been the case. The original standard aspect ratiofor films was 4:3 (1.33:1), and the introduction of the Academy format in 1932 brought a slight change to a 1.37 aspect ratio. This is why U.S. television sets were originally built to that specification, and the switch to a wider format was met with some resistance within the film industry. Today, however, it is solidly the norm.
In Europe, the
PALTV format with its higher number of visible screen lines (576 vs. 480 for the U.S. NTSCstandard introduced in March 1941) means that the low vertical resolution associated with showing uncropped widescreen movies on TV is not as bad, which has resulted in most European television networks showing widescreen movies uncropped, and in the general unavailability of cropped "fullscreen" DVDs of widescreen movies in the European DVD market. There is even an extension to PAL, called PALplus, which allows specially equipped receivers to receive a PAL picture as true 16:9 with full 576 lines of vertical resolution, provided the stations employ the same system. Standard PAL receivers will receive such a broadcast as a 16:9 image letterboxed to 4:3, with a small amount of color noise in the black bars; this "noise" is actually the additional lines which are hidden inside the color signal. This system has no equivalent in analog, NTSC broadcasting. Despite the existence of PALplus and support for widescreen in the DVB-based digital satellite, terrestrial and cable broadcasts in use across Europe, only Belgium, Ireland, the Netherlands, Austria, Germany, Scandinaviaand the UKhave taken up widescreen at any great rate, with over half of all Widescreen channels available by satellite in Europe targeting those areas.
The past two years have seen a rapid growth in the number of 16:9 TV monitors. These are typically used in conjunction with
digital, high-definition television( HDTV) receivers, or standard-definition (SD) DVDplayers and other digital television sources. Digital material is provided to widescreen TVs either in high-definition format, which is natively 16:9 (1.78:1), or as an anamorphically compressed standard-definition picture. Typically, devices decoding digital standard-definition pictures can be programmed to provide anamorphic widescreen formatting, for 16:9 sets, or letterbox and pan-and-scan formatting for 4:3 sets; however the pan-and-scan mode can only be used if the producers of the material have included the necessary panning data. If this data is absent, letterboxing or centre cut-out will be used instead. HD DVDand Blu-ray discplayers entered the U.S. market in 2006. Toshibaceased production of HD DVDplayers in early 2008 after key defections from the HD DVD camp damaged the viability of the format. It still remains to be seen whether Blu-ray will stimulate the sales of HD pre-recorded films on disc, and more HD monitors and tuners. Consumer camcorders are also available on HD-video format at fairly low prices. These developments will result in more options for viewing widescreen images on television monitors.
"Widescreen" can also refer to computer displays, which can be used to view widescreen movies, among other things. Widescreen computer displays are typically of the 1.6 (8:5, typically written as 16:10) aspect ratio. "True" widescreen (16:9) monitors can be found in resolutions of 1280x720 and 1920x1080.
Widescreen computer displays
Recently, a great number of widescreen format monitors have been introduced to the market. Many manufacturers have practically abandoned the traditional 4:3 format, instead opting to manufacture 16:10 models.
A 16:10 monitor with the same diagonal size as a 4:3 monitor has 6.8% less area. A 16:9 monitor with the same diagonal size has 12.3% less area than a 4:3 monitor.
There are both advantages and disadvantages to wide screen computer displays: [ [http://www.newegg.com/ProductSort/CategoryIntelligenceArticle.asp?articleId=54 Advantages of the Widescreen LCD Monitor] ,
* Since many modern DVDs and some TV shows are in a widescreen format, these types of displays are optimal for their playback on a computer.
* A widescreen display is closer to the aspect ratio of a typical keyboard than a 4:3 display (important for a laptop, where overall surface area for the device is limited)
* Some old non-windowed programs, mostly computer games, are designed for a fullscreen monitor; using such programs on a widescreen monitor typically causes them to become deformed.
* Some older graphics controllers or video drivers are not capable of common widescreen resolutions. If a traditional 4:3 monitor is replaced with a widescreen monitor on a computer with one of these graphics controllers, the user may be unable to find a usable resolution setting in which the graphics are not stretched horizontally. Video driver updates may add support for widescreen resolutions, but this is not always the case. Alternatives include installing a newer card that supports widescreen resolutions or configuring the widescreen monitor to not stretch images that are not in a widescreen format.
For word processing and office type applications, vertical measurement can be more important than diagonal measurement when determining size requirements. When monitors are sold the quoted size is the diagonal measurement of the display area. Because of the different ratio, a 16:10 monitor will have a smaller vertical size than a 4:3 monitor of the same advertised size. To find the diagonal measurement of widescreen monitor that would have the same vertical measurement as a known 4:3 monitor, you must multiply the diagonal measurement of the 4:3 monitor by 1.173.
For example to have the same vertical height as a 4:3 19" monitor, a 16:10 widescreen monitor would need to be (19" x 1.173 ) = 22.285".
Active Format Descriptor(AFD)
Aspect ratio (image)
List of common resolutions
List of film formats
Motion picture terminology
Pan and scan
Widescreen display modes
* [http://www.widescreenmuseum.com/ The American Widescreen Museum]
* [http://www.reelclassics.com/Techtalk/aspectratio-article.htm What is Widescreen?]
* [http://www.whywidescreen.com Why Widescreen?]
* [http://home1.gte.net/res0mrb7/widescreen/ Widescreen Resources & Information]
* [http://www.tftcentral.co.uk/articles/widescreen.htm The Widescreen Monitor Guide] , inc WS monitor list
* [http://www.tvtechnology.com/features/Masked-Engineer/f_masked_engineer.shtml So Everyone Is Wrong... Now What?] - explanation where the numbers "16:9" came from
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