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  2. Closed captioning - Wikipedia

    en.wikipedia.org/wiki/Closed_captioning

    The term closed indicates that the captions are not visible until activated by the viewer, usually via the remote control or menu option. On the other hand, the terms open, burned-in, baked on, hard-coded, or simply hard indicate that the captions are visible to all viewers as they are embedded in the video.

  3. VHS - Wikipedia

    en.wikipedia.org/wiki/VHS

    S-VHS tapes can give better audio (and video) quality, because the tapes are designed to have almost twice the bandwidth of VHS at the same speed. Sound cannot be recorded on a VHS tape without recording a video signal because the video signal is used to generate the control track pulses which effectively regulate the tape speed on playback.

  4. Noise (video) - Wikipedia

    en.wikipedia.org/wiki/Noise_(video)

    Noise, static or snow screen captured from a VHS tape. Noise, commonly known as static, white noise, static noise, or snow, in analog video, CRTs and television, is a random dot pixel pattern of static displayed when no transmission signal is obtained by the antenna receiver of television sets and other display devices.

  5. Video tape tracking - Wikipedia

    en.wikipedia.org/wiki/Video_tape_tracking

    In the case of VHS, a linear control track at the tape's lower edge holds pulses that mark the beginning of every frame of video; these are used to fine-tune the tape speed during playback and to get the rotating heads exactly on their helical tracks rather than having them end up somewhere between two adjacent tracks. However, the exact ...

  6. Analog Protection System - Wikipedia

    en.wikipedia.org/wiki/Analog_Protection_System

    Video tapes copied from DVDs encoded with APS become garbled and unwatchable. The process works by adding pulses to analog video signals to negatively impact the AGC circuit of a recording device. In digital devices, changes to the analog video signal are created by a chip that converts the digital video to analog within the device.

  7. ‘Back to the Future’ Star Auctions Off Personal VHS ... - AOL

    www.aol.com/news/back-future-star-auctions-off...

    In a video shared with The Hollywood Reporter, Wilson introduces his pristine shrink-wrapped VHS collection of the Back to the Future trilogy sent to him by studio MCA. It also includes a VHS copy ...

  8. Home video - Wikipedia

    en.wikipedia.org/wiki/Home_video

    Home video is recorded media sold or rented for home viewing. [1] The term originates from the VHS and Betamax era, when the predominant medium was videotapes, but has carried over to optical disc formats such as DVD and Blu-ray. In a different usage, "home video" refers to amateur video recordings, also known as home movies. [2]

  9. Deinterlacing - Wikipedia

    en.wikipedia.org/wiki/Deinterlacing

    Deinterlacing is the process of converting interlaced video into a non-interlaced or progressive form. Interlaced video signals are commonly found in analog television, VHS, Laserdisc, digital television when in the 1080i format, some DVD titles, and a smaller number of Blu-ray discs.