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20 Cards in this Set
- Front
- Back
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Angela Liliana Luna Torres |
A01039836 |
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Video |
Series of static images that simulate movement. |
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Vitaphone |
It is a system of sound on disc developed by the Bell Telephone Company and Western Electric. It was used as a match in silent movies to give an environment context and narration to the stories. It was widely used by Warner Brothers in at least 100 of their first movies. |
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Movitone |
It is a system of sound recording created in 1922 by Theodore Case and Earl Sponable; it integrated the sound to the images, it was firstly used by Fox company, which is now known as 20th Century Fox. |
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Beta |
It is an analogic format to produce home videos. It consisted of a magnetic tape developed by Sony. It was sold in 1975, and it has the capacity of storing 266 to 300 lines depending if it was black and white, or color. It recorded around 2 hours. |
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VHS |
It stands for Video Home System. It was similar to an audio cassette with 1/2 inch tape. It was highly accepted for around 20 years before the appearance of DVDs. |
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Flash Memory |
It is an EEPROM type memory (Electronically Erasacle and Programmable Read Only Memory). It was created in 1984 by Fujio Masuoka. There are many versions of it: some have the shape of a pen, a bar, camera cards, etc. It is quick and silent, and it is easy to carry. It has a storing capability that is much higher than its predecessor, the floppy disc. |
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DVD |
It stands for Digital Video Disc or Digital Versatile Disc. It replaced the Beta technology in recording and distributing video material. Its recording process is based on the use of laser instead of electromagnetism. This provides more quality in both audio and video. |
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Retinal Persistance |
It is the effect in the eye's retina that makes the mages perceived by the eye be recorded for a very small fraction of time, like a tenth of a second. It was discovered by the Belgian Joseph Plateau. |
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FPS |
It stands for Frames per second. It is the amount of frames that are shown on a video in a period of one second. |
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PAL |
It stands for Phase Alternating Line which consists on the using of 25 frames per second. It is used in Europe, Asia, and some countries of America. |
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NTSC |
It stands for National Television System Comittee. It consists on using 30 frames per second to create video, incluiding an aspect ratio of 4:3 and an optimum handling of sound. |
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SECAM |
It is similar to PAL, but it is less known. It was created in France, so it is more used in Europe, and it has an optimum handling of color. |
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EDTV |
(Enhanced Definition Television) It has SDTV (standard definition television) technology, and it can display between 480 and 576 lines in the PAL or NTSC frequencies. |
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HDTV |
(High Definition Television) It works with three resolutions: 720p, 1080i and 1080p; it has the ability to be converted as needed in order to commute among them. There are two possible values for the handling of the different resolutions "p" or "i". |
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Blu-ray |
1080p/60 it has capabilities to commute in frequencies of 60 and 24, enabling the user to see videos with cinematographic effects. |
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HD-DVD |
It stands for High Definiton Digital Video Disk. It was supported by Toshiba as a better alternative to DVD since it allowed a storing of 15 GB in each one of its layers. |
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Codec |
It means coder- decoder. It was a software that consists on an algorithm to compress and decompress video in real time. Its use doesn't interfere with the playing speed. There are also codecs for audio files. |
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AVI |
Audio Video Interleave. It stores digital video in different platforms. AVI format has a good quality, but we need to convert it into a lighter format to simplify its handling (to publish it on the net, for instance). It has great compatibility because it only requires the installation of the codecs to interpret it correctly. |
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DivX |
It is a codec that can be used in Windows and MacOs platforms to create MPEG-4 standards. |
