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18 Cards in this Set
- Front
- Back
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video |
The recording, reproducing, or broadcasting of moving visual images. |
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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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movietone |
It is a system of sound recording created in 1922 by Theodore Case and Earl Sponable; it integrated the sound to the images, and 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 Erasable 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 persistence |
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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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 Committee. It consists on using 30 frames per second to create video, including 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 |
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 |
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 |
It refers to the technology based on a blue beam that allows the recording of different layers of a DVD, especially designed for high density recording. It may contain from 1 to 4 layers, and each one has a capacity of 25GB. It handles HD information (1080p/60), differently from the DVD which only handles 480p or 576p. |
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HD-DVD |
It stands for High Definition 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 is 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 |
AVI (Audio Video Interleave) It is one of the standard formats to store digital video in different platforms. A video that is inserted in a Window computer (recorded from the computer’s camera) will automatically use the Digital Video (DV) codec; it allows us to work with other formats such as CinePak, Intel Indeo 5, etc. |
