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2. Digital video - Wikipedia

   en.wikipedia.org/wiki/Digital_video

   Digital video is an electronic representation of moving visual images in the form of encoded digital data. This is in contrast to analog video, which represents moving visual images in the form of analog signals. Digital video comprises a series of digital images displayed in rapid succession, usually at 24, 25, 30, or 60 frames per second ...

3. G.709 - Wikipedia

   en.wikipedia.org/wiki/G.709

   The FEC code also extends the distance the optical signal can travel before requiring regeneration. G.709 offers advanced OAM&P capabilities such as Tandem Connection Monitoring (TCM), End to End performance monitoring, connectivity monitoring, signal quality supervision and General Communication Channel (GCC).

4. List of video connectors - Wikipedia

   en.wikipedia.org/wiki/List_of_video_connectors

   Television antenna connection for most video devices outside North America. Used by early home computers and game consoles to connect them to TVs because of the lack of any other connector. Generally not used in North America. BNC: Alternative to RCA for professional video electronics. Protocols: Serial digital interface (SDI) and HD-SDI. CoaXPress

5. Video CD - Wikipedia

   en.wikipedia.org/wiki/Video_CD

   Video CD (abbreviated as VCD, and also known as Compact Disc Digital Video) is a home video format and the first format for distributing films on standard 120 mm (4.7 in) optical discs. The format was widely adopted in Southeast Asia , South Asia , East Asia , Central Asia and West Asia , superseding the VHS and Betamax systems in the regions ...

6. Free-space optical communication - Wikipedia

   en.wikipedia.org/wiki/Free-space_optical...

   Free-space optical communication (FSO) is an optical communication technology that uses light propagating in free space to wirelessly transmit data for telecommunications or computer networking. "Free space" means air, outer space, vacuum, or something similar. This contrasts with using solids such as optical fiber cable.

7. TOSLINK - Wikipedia

   en.wikipedia.org/wiki/TOSLINK

   TOSLINK (Toshiba Link) [3] is a standardized [4] optical fiber connector system. [5] Generically known as optical audio, the most common use of the TOSLINK optical fiber connector is in consumer audio equipment in which the digital optical socket carries (transmits) a stream of digital audio signals from audio equipment (CD player, DVD player, Digital Audio Tape recorder, computer, video game ...

8. History of film technology - Wikipedia

   en.wikipedia.org/wiki/History_of_film_technology

   Whereas traditional film reels had to be shipped to movie theaters, a digital movie can be distributed to cinemas in a number of ways: over the Internet or dedicated satellite links or by sending hard drives or optical discs such as Blu-ray discs. Digital movies are projected using a digital projector instead of a conventional film projector.

9. Digital camera - Wikipedia

   en.wikipedia.org/wiki/Digital_camera

   Digital and digital movie cameras share an optical system, typically using a lens with a variable diaphragm to focus light onto an image pickup device. [5] The diaphragm and shutter admit a controlled amount of light to the image, just as with film, but the image pickup device is electronic rather than chemical.