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Video capture is the process of converting an analog video signal—such as that produced by a video camera, DVD player, or television tuner—to digital video and sending it to local storage or to external circuitry. The resulting digital data are referred to as a digital video stream, or more often, simply video stream.
Unlike video editing cards, these cards tend to not have dedicated hardware for processing video beyond the analog-to-digital conversion. Most, but not all, video capture cards also support one or more channels of audio. New technologies allow PCI-Express and HD-SDI to be implemented on video capture cards at lower costs than before. An early ...
In October 2014, Elgato released a new version called HD 60. It recorded in 60 frames per second and 1080p high definition video (compared to the previous Game Capture HD's 1080p30 or 720p60), whereas typical low-end video game recording devices capture in 720p and 30 frames per second. The Telegraph gave it four out of five stars. [17]
A frame grabber is an electronic device that captures (i.e., "grabs") individual, digital still frames from an analog video signal or a digital video stream. It is usually employed as a component of a computer vision system, in which video frames are captured in digital form and then displayed, stored, transmitted, analyzed, or combinations of ...
The review noted that EyeTV was the de facto software for TV and computer video integration and praised its new features, but said it was expensive when purchased separately. [34] A 2007 article in MacLife said their "top picks" for USB-powered tuners were those using the EyeTV software, such as the EyeTV hybrid or EyeTV 250. [ 35 ]
Crystal HD includes single chip high-definition advanced media processors BCM70012 (codenamed Link) and BCM70015 (codenamed Flea); [2] these chips are available on mini PCIe cards. [ 3 ] [ 4 ] The BCM970012 supports hardware decoding of H.264/MPEG-4 AVC , VC-1 , WMV9 and MPEG-2 and the BCM970015 additionally supports DivX 3.11, 4.1, 5.X, 6.X ...
The Dazzle is a family of external video capture devices that allow people to record video from analog composite video sources (DVD player, VCR, etc.) over USB (originally parallel). [1] Most models are also capable of recording analog stereo audio.
A typical Voodoo Graphics PCI expansion card consisted of a DAC, a frame buffer processor and a texture mapping unit, along with 4 MB of EDO DRAM. The RAM and graphics processors operated at 50 MHz. It provided only 3D acceleration and as such the computer also needed a traditional video controller for conventional 2D software. [15]
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