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What is a movie? A movie (or a motion picture, a film, a telefilm, a TV series) is a distinct work of cinematic art. In terms of technology, a movie is referred to as a set of moving pictures (film scenes) connected to each other by a unique plot. Each scene consists of a sequence of photographic or digital motionless images (shots) in which there are moving stages. Normally a movie includes sound accompaniment.
In the beginning of the XXth century it was conventional to say “filma” in feminine gender, and aside from the habitual meaning this word meant film strip.
The sphere of human activity, connected with the creation and their production is called cinematography. It implies filming as one of the directions of arts (cinematic art), cinematographic engineering and movie making industry. Movies are being produced by means of recording moving pictures of the environment with the help of shooting digital cameras, and from separate shots with multiplication or special effects.
Movies are a part of contemporary culture. Main heroes of popular films and their cast frequently become famous, and their characters get more recognizable. Cinema halls are being built especially for the purpose of watching movies. The average length of a movie is usually ninety to one hundred and twenty minutes (from an hour and a half to two hours). At home people usually use a TV set with the connected videoplayer, currently people more often use computers for that.
What is HD quality and what is an HDRip movie format?
If you ask me what HD quality is, I am going to start answering by this… Lately it has become trendy to watch favorite movies and TV series in online cinema theatres on the Internet. You do not have to wait when the film is loaded on your computer for further watching. You just switch it on and watch. Many of you might probably notice that not all movies on the Internet are in good quality. It sometimes happens that you start a movie, and the shots are all pixelated and blurred on the screen. Here is where the issue of picture quality arises. Today I am going to talk to you on HD movie quality and briefly mention HD format working principles.
HD and HDTV are abbreviations which are decoded as high definition and high definition television, respectively. Plus, these formats are being mentioned on the Internet as HDRip and HDTVRip. If we translate these terms in a mother tongue, we are going to have an explicit bond of words, namely – television of high definition or high definition television. Simple, isn’t is? “HD” letters themselves speak of a high quality of a played video.
HD format is a set of developed standards which allow decomposing audio and video signals into components. The digital ones! Therefore, this format is only applicable for digital television and does not by any chance relate to cable one. If we consider simple screen resolution parameters of standard television, we will only have a picture with resolution of 720×480 pixels, or 720×576 pixels. Indeed, the picture is not sharp enough. However, cable television does not allow watching movies in higher resolution, and digital television/digital HD television does.
If we take exactly HD image format, then the image resolution may account for 1280×720 or 1920×1080 pixels for a format supported by your device, for instance, a TV set. This is a sort of system of digital broadcast. With the help of such famous codecs as MPEG-2 and MPEG-4 we can compress and decompress the signal in HD quality while mitigating quality losses when transmitting and playing a video. Below there is a video covering questions on HD quality. By watching it you will clearly understand what HD quality format is and how it is different from an ordinary SD format.
What are 3D movies?
The appearance of three dimensional movies can be called a yet another breakthrough in the history of cinema. 3D movies cost from 10 to 20% more to produce, since their production process is more complicated than that of ordinary films. In order to record such a movie you need to use two cameras at the same time, and this fact makes the task more difficult as all 3D movies combine two pictures: for your left and right eyes. If a movie is shot correctly, two pictures are combined in one easily and a spectator is able to see dimensional picture with special glasses. There are three formats of 3D movies: anaglyph, interlace and a stereopair. An anaglyph is the most common among them. Anaglyph image is a stereo image received with the help of color coding. To watch these films one should use anaglyph glasses. There are special color filters instead of actual glass in them: the red one for your left eye and the blue one for your right eye. You can watch movies in the anaglyph format at home, and it will be sufficient to have an ordinary video player or even a computer with the downloaded video from your FB page and special 3D glasses.
Several technologies are being utilized in cinema theatres for 3D movies. In IMAX cinemas the linear polarization is used, but with the change of your head condition you may lose the 3D effect. The round polarization of a light stream is used for movies in RealD 3D format, and a spectator can still move during a movie, the picture is not destructed with head movements. The most up-to-date technology is Dolby 3D. It is based on the principle of light interference. Shots are different in terms of light waves length for different eyes. The overall picture is very bright and vivid.