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List Of Film Sound Systems
The following is a list of sound film, film sound systems. Explanation *The year shown may represent a patent or other developmental milestone rather than the first use in public. *Technologically identical systems may have been promoted under different trade names by different commercial entities. *The approximate number of films credited to each system is taken from the Internet Movie Database. Sound systems See also *Film score *Soundtrack *Sound film *Sound-on-film *Movie projector#Sound, Movie projector; sound *List of film formats References ResourcesSound mix liston the Internet Movie DatabaseIndex of early sound films of the silent era, from ''The Progressive Silent Film List'' by Carl Bennett The first release that used this system was ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sound Film
A sound film is a motion picture with synchronized sound, or sound technologically coupled to image, as opposed to a silent film. The first known public exhibition of projected sound films took place in Paris in 1900, but decades passed before sound motion pictures became commercially practical. Reliable synchronization was difficult to achieve with the early sound-on-disc systems, and amplification and recording quality were also inadequate. Innovations in sound-on-film led to the first commercial screening of short motion pictures using the technology, which took place in 1923. The primary steps in the commercialization of sound cinema were taken in the mid-to-late 1920s. At first, the sound films which included synchronized dialogue, known as "talking pictures", or "talkies", were exclusively shorts. The earliest feature-length movies with recorded sound included only music and effects. The first feature film originally presented as a talkie (although it had only limited so ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dolby Digital EX
Dolby Digital, originally synonymous with Dolby AC-3, is the name for what has now become a family of audio compression technologies developed by Dolby Laboratories. Formerly named Dolby Stereo Digital until 1995, the audio compression is lossy (except for Dolby TrueHD), based on the modified discrete cosine transform (MDCT) algorithm. The first use of Dolby Digital was to provide digital sound in cinemas from 35 mm film prints; today, it is also used for applications such as TV broadcast, radio broadcast via satellite, digital video streaming, DVDs, Blu-ray discs and game consoles. The main basis of the Dolby AC-3 multi-channel audio coding standard is the modified discrete cosine transform (MDCT), a lossy audio compression algorithm. It is a modification of the discrete cosine transform (DCT) algorithm, which was first proposed by Nasir Ahmed in 1972 and was originally intended for image compression. The DCT was adapted into the modified discrete cosine transform (MDCT) ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sony Dynamic Digital Sound
is a cinema sound system developed by Sony, in which compressed digital sound information is recorded on both outer edges of the 35 mm film release print. The system supports up to eight independent channels of sound: five front channels, two surround channels and a single sub-bass channel. The eight channel arrangement is similar to large format film magnetic sound formats such as Cinerama and Cinemiracle. The five front channels are useful for very large cinema auditoriums where the angular distance between center and left/right channels may be considerable. SDDS decoders provide the ability to downmix to fewer channels if required. History Although originally slated to premiere with 1991's ''Hook'', the SDDS project was delayed and instead premiered on June 17, 1993, with ''Last Action Hero''. Since then, over 2000 movies have been mixed in Sony Dynamic Digital Sound, and as early as 1999 over 6,750 movie theaters were equipped with SDDS. The code name for the SD ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Quadraphonic Sound
Quadraphonic (or quadrophonic and sometimes quadrasonic) sound – equivalent to what is now called 4.0 surround sound – uses four audio channels in which speakers are positioned at the four corners of a listening space. The system allows for the reproduction of sound signals that are (wholly or in part) independent of one another. Four channel quadraphonic surround sound can be used to recreate the highly realistic effect of a three-dimensional live concert hall experience in the home. It can also be used to enhance the listener experience beyond the directional limitations of ordinary two channel stereo sound. Quadraphonic audio was the earliest consumer product in surround sound. Since it was introduced to the public in the early 1970s many thousands of quadraphonic recordings have been made. Quadraphonic sound was a commercial failure when first introduced due to a variety of technical issues and format incompatibilities. Four channel audio formats can be more expensive to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
RCA Photophone
RCA Photophone was the trade name given to one of four major competing technologies that emerged in the American film industry in the late 1920s for synchronizing electrically recorded audio to a motion picture image. RCA Photophone was an optical sound, "variable-area" film exposure system, in which the modulated area (width) corresponded to the waveform of the audio signal. The three other major technologies were the Warner Bros. Vitaphone sound-on-disc system, as well as two "variable-density" sound-on-film systems, Lee De Forest's Phonofilm, and Fox- Case's Movietone. When Joseph P. Kennedy and other investors merged Film Booking Offices of America (FBO) with the Keith-Albee-Orpheum theater chain and Radio Corporation of America, the resulting movie studio RKO Radio Pictures used RCA Photophone as their primary sound system. In March 1929, RKO released ''Syncopation'', the first film made in RCA Photophone. History and licensing In the early years following World War I ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Photokinema
''Photo-Kinema'' (some sources say ''Phono-Kinema'') was a sound-on-disc system for motion pictures invented by Orlando Kellum. 1921 introduction The system was first used for a small number of short films, mostly made in 1921. These films presented subjects such as actor Frederick Warde reading an original poem "A Sunset Reverie", labor leader Samuel Gompers speaking on labor issues, Judge Ben Lindsey on the need for a separate juvenile court system, Irvin S. Cobb reading from his works, and a lecture by James J. Davis, Secretary of Labor in the Harding administration. Kellum also filmed musical numbers, including a performance of the song "De Ducks" by African American musicians F. E. Miller and Aubrey Lyles who wrote the book for the musical ''Shuffle Along'' (1921), and ''The Famous Van Eps Trio in a Bit of Jazz'' (1921), featuring Fred Van Eps, father of musician George Van Eps. A filmed performance by Sir Harry Lauder made in Phono-Kinema is preserved at the UCLA Film and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Perspecta
Perspecta was a directional motion picture sound system, invented by the laboratories at Fine Sound Inc. in 1954. The company was founded by Mercury Records engineer C. Robert (Bob) Fine, husband of producer Wilma Cozart Fine. As opposed to magnetic stereophonic soundtracks available at the time, Perspecta's benefits were that it did not require a new sound head for the projector and thus was a cheaper alternative. Introduced as a "directional sound system" rather than a true stereophonic sound system, Perspecta did not use discretely recorded sound signals. Instead, three sub-audible tones at 30 Hz, 35 Hz, and 40 Hz are mixed appropriately and embedded in a monaural optical soundtrack, in addition to the audible sound. When run through a Perspecta integrator, depending on whenever each tone is present, the audio is fed into a left (30 Hz), center (35 Hz) and right (40 Hz) speaker. Unlike true stereophonic sound, which would be described as discrete ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Movietone Sound System
The Movietone sound system is an optical sound-on-film method of recording sound for motion pictures that guarantees synchronization between sound and picture. It achieves this by recording the sound as a variable-density optical track on the same strip of film that records the pictures. The initial version was capable of a frequency response of 8500 Hz. Although sound films today use variable-area tracks, any modern motion picture theater (excluding those that have transitioned to digital cinema) can play a Movietone film without modification to the projector (though if the projector's sound unit has been fitted with red LED or laser light sources, the reproduction quality from a variable density track will be significantly impaired). Movietone was one of four motion picture sound systems under development in the U.S. during the 1920s, the others being DeForest Phonofilm, Warner Brothers' Vitaphone, and RCA Photophone, though Phonofilm was primarily an early version of Movietone. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Monaural
Monaural or monophonic sound reproduction (often shortened to mono) is sound intended to be heard as if it were emanating from one position. This contrasts with stereophonic sound or ''stereo'', which uses two separate audio channels to reproduce sound from two microphones on the right and left side, which is reproduced with two separate loudspeakers to give a sense of the direction of sound sources. In mono, only one loudspeaker is necessary, but, when played through multiple loudspeakers or headphones, identical signals are fed to each speaker, resulting in the perception of one-channel sound "imaging" in one sonic space between the speakers (provided that the speakers are set up in a proper symmetrical critical-listening placement). Monaural recordings, like stereo ones, typically use multiple microphones fed into multiple channels on a recording console, but each channel is " panned" to the center. In the final stage, the various center-panned signal paths are usually mixed d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kinopanorama
Kinopanorama is a three-lens, three-film widescreen film format. Although Kinopanorama was initially known as ''Panorama'' (russian: панорамный фильм, ''panoramnyy film'') in the Soviet Union the name was later revised to include its current name prior to the premiere screenings in Moscow in 1958. In some countries, including Cuba, Greece, Norway and Sweden, it was usually marketed as ''Soviet Cinerama''. In 1958, during which time ''Great Is My Country'' and '' The Enchanted Mirror'', were exhibited at the Mayfair Theatre in New York City, it was briefly advertised as Cinepanorama. Kinopanorama is for the most part identical in operation to that of Fred Waller's American-designed Cinerama format. Overview Kinopanorama was developed between 1956 and 1957 by research technicians at the USSR Cinema and Photo Research Institute (also known as NIKFI). The chief designer of the prototype camera was Evsei Mikhailovich Goldovskii (1903–1971), the eminent Soviet inventor a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The Dickson Experimental Sound Film
''The Dickson Experimental Sound Film'' is a film made by William Dickson in late 1894 or early 1895. It is the first known film with live-recorded sound and appears to be the first motion picture made for the Kinetophone, the proto- sound-film system developed by Dickson and Thomas Edison. (The Kinetophone, consisting of a Kinetoscope accompanied by a cylinder-playing phonograph, was not a true sound-film system, for there was no attempt to synchronize picture and sound throughout playback.) The film was produced at the "Black Maria", Edison's New Jersey film studio. There is no evidence that it was ever exhibited in its original format. In 2003, The ''Dickson Experimental Sound Film'' was included in the annual selection of 25 motion pictures added to the National Film Registry of the Library of Congress. being deemed "culturally, historically, or aesthetically significant" and recommended for preservation. Synopsis The film features Dickson playing a violin into a recording h ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IMAX
IMAX is a proprietary system of high-resolution cameras, film formats, film projectors, and theaters known for having very large screens with a tall aspect ratio (approximately either 1.43:1 or 1.90:1) and steep stadium seating. Graeme Ferguson, Roman Kroitor, Robert Kerr, and William C. Shaw were the co-founders of what would be named the IMAX Corporation (founded in September 1967 as Multiscreen Corporation, Limited), and they developed the first IMAX cinema projection standards in the late 1960s and early 1970s in Canada. IMAX GT is the large format as originally conceived. It uses very large screens of and, unlike most conventional film projectors, the film runs horizontally so that the image width can be greater than the width of the film stock. It is called a 70/15 format. It is used exclusively in purpose-built theaters and dome theaters, and many installations limit themselves to a projection of high quality, short documentaries. The high costs involved in th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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