Video Equipment

The process of capturing, recording and reconstructing moving pictures usually on celluloid film, electronic signals or digital media by means of technology is commonly termed as video recording. Both audio and visuals of events can be recorded in videos which can then either be projected on screens (as in movies or documentary films) or directly transmitted via satellites for live telecast on television channels

Therefore, for viewing recorded or live transmission of videos usually devices like televisions and computer monitors are used. There are some major Video Equipments involved in video recording, recreation and viewing. In the past, the quality of a video recording largely depended on the type of celluloid film used and the methods of capturing and storage used. In modern times, in order to eliminate these kinds of problems and obtaining better print qualities digital methods are used for capturing and recording the visual and audio components. Today, digital videos mostly use storage formats like DVD, QuickTime and MPEG-4. While traditionally mechanical cameras were used for recording on celluloid films, today, digital cameras are used for recording high quality videos. There are various features of Video Equipment. In video recordings to achieve the illusion of a moving picture, a minimum frame rate of ten frames per second need to be attained.

In order to achieve high quality visuals within a limited bandwidth videos are often interlaced. The process of interlacing can be simple defined as consecutively numbering and partitioning the horizontal scan lines into two fields-even and odd. While the even field consists of the even numbered lines, the odd field comprises of the odd-numbered lines. While for digital videos, the sizes of the video images are usually measured in pixels, for analog videos they are measured by the horizontal scan lines. From simple recording of memorable family events, programming simple video games and recording films or music videos to the conduction of videoconferences in more recent times, video equipments are used today in a large range of applications. Wikipedia

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