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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 ...
Depending on the device, the resulting video stream may be conveyed to external circuitry via a computer bus (e.g., PCI/104 or PCIe) or a communication interface such as USB, Ethernet or Wi-Fi, or stored in mass-storage memory in the device itself (e.g., 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.
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, analog video converters, and still-image cameras. This page holds a list of known UVC-compatible devices, arranged by category. References are included.
SxS PRO+ is a faster version of SxS designed for the recording of 4K resolution video. [5] [6] SxS Pro+ has a guaranteed minimum recording speed of 1.3 Gbit/s and an interface with a theoretical maximum speed of 8 Gbit/s. [5] [6] SxS PRO+ media cards are used on three CineAlta cameras which are the Sony PMW-F55 Sony PMW-F5, and the Sony Venice.
VirtualDub supports both DirectShow and Video for Windows for video capture. Capture features include capture to any AVI variant, audio VU meters, overlay and preview modes, histogram, selectable crop area, video noise reduction, auto stop settings (based on capture time, file size, free space, and/or dropped frames), and designate alternate drive(s) for capture overflow.
Windows XP has a class driver for USB video class 1.0 devices since Service Pack 2, as does Windows Vista and Windows CE 6.0. A post-service pack 2 update that adds more capabilities is also available. [8] Windows 7 added UVC 1.1 support. Support for UVC 1.5 is currently only available in Windows 8, 10 and 11.
The first Dazzle recorder to support USB was the Digital Video Creator (DVC) 50 and 80 models, first released in March 2001. [8] [9] The DVC 80 was capable of recording both video and audio via RCA and S-video, while the more inexpensive DVC 50 was capable of recording only video. [10]