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2. Closed-circuit television camera - Wikipedia

   en.wikipedia.org/wiki/Closed-circuit_television...

   These cameras do not require a video capture card because they work using a digital signal which can be saved directly to a computer. The signal is compressed 5:1, but DVD quality can be achieved with more compression (MPEG-2 is standard for DVD-video, and has a higher compression ratio than 5:1, with a slightly lower video quality than 5:1 at best, and is adjustable for the amount of space to ...

3. Video capture - Wikipedia

   en.wikipedia.org/wiki/Video_capture

   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.

4. Frame grabber - Wikipedia

   en.wikipedia.org/wiki/Frame_grabber

   A DataPath VisionRGB-E2s expansion card with two frame grabbers. 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.

5. Digital video recorder - Wikipedia

   en.wikipedia.org/wiki/Digital_video_recorder

   A digital video recorder (DVR), also referred to as a personal video recorder (PVR) particularly in Canadian and British English, is an electronic device that records video in a digital format to a disk drive, USB flash drive, SD memory card, SSD or other local or networked mass storage device.

6. USB video device class - Wikipedia

   en.wikipedia.org/wiki/USB_video_device_class

   The USB video device class (also USB video class or UVC) is a USB device class that describes devices capable of streaming video like webcams, digital camcorders, transcoders, analog video converters and still-image cameras.

7. Dazzle (video recorder) - Wikipedia

   en.wikipedia.org/wiki/Dazzle_(video_recorder)

   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.

8. High-definition video - Wikipedia

   en.wikipedia.org/wiki/High-definition_video

   High-definition video (HD video) is video of higher resolution and quality than standard-definition. While there is no standardized meaning for high-definition , generally any video image with considerably more than 480 vertical scan lines (North America) or 576 vertical lines (Europe) is considered high-definition.

9. High-bandwidth Digital Content Protection - Wikipedia

   en.wikipedia.org/wiki/High-bandwidth_Digital...

   The source sends the content to be displayed. Examples include set-top boxes, DVD, HD DVD and Blu-ray Disc players, and computer video cards. A source has only an HDCP/HDMI transmitter. [4] Sink The sink renders the content for display so it can be viewed. Examples include TVs and digital projectors.