Video Recorder PNG Transparent Images

Submitted by on Jan 28, 2020

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Digital video recorders (DVRs) (or personal video recorders (PVRs)) are devices that record video to hard-drive-based digital storage media without videotape. The term includes standalone set-top boxes and software for personal computers that enable video capture and playback to disk.


The first DVR was tested on July 8, 1965, and CBS investigated the instant freeze frame and rewind potential of sports event broadcasts. Ampex released the first commercial hard disk video recorder in 1967. The HS-100 recorded analog video on a digital hard disk and could only save up to 30 seconds.

Hard Disk-Based DVR

Two early consumer DVRs, ReplayTV and TiVo, were launched at the 1999 Consumer Electronics Show in Las Vegas. ReplayTV won the “Best of Show” award in the video category, but TiVo had commercial success. These devices have steadily developed complementary features such as recording to DVD, commercial skipping, sharing recordings over the Internet, programming, and remote control functions using a PDA, network PC, or web browser.

This makes the “time-shift” function (a function traditionally done by VCRs) much more convenient, and also allows “trick mode” such as pausing live TV, instantly playing interesting scenes, skipping ads, etc. Most DVRs use the MPEG format for encoding analog video signals.


Two consumer DVR brands in the United States are TiVo and DNNA’s ReplayTV. In the UK, TiVo is sparse. Thomson, Topfield, Fusion, Pace, and Humax also offer terrestrial digital (DTT) DVRs. BSkyB sells the popular combination of EPG and DVR as Sky +. South African-based African satellite television beamer Multichoice recently launched a PVR that is available on the Dstv platform.

Many satellite and cable companies have incorporating DVR features such as DirecTiVo, DishPlayer / DishDVR, Scientific Atlanta Explorer 8xxx, Comcast’s Motorola 6xxx, and Digeo’s Moxi Media Center (available from Charter, Adelphia, Sunflower, and Bend) to set-top boxes. Incorporates broadband, shortly Comcast and other cable companies), or Sky+. In this case, the satellite signal is already a digitally encoded MPEG stream, so there is no need for DVR encoding. DVRs only save digital streams directly to disk. Broadcasters involved (subsidized) in designing DVRs and directly recording encrypted digital streams can lead to features such as using interactive television on prerecorded programs and preloading programs.

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