Video capture hardware, the physical device used for converting the analog or digital DVI, VGA, or video in a digital format readable by a computer. Typically, video capture hardware consists of a frame grabber that "converts" the video input and sends it to the USB, Ethernet, or PCI Express bus. This article will cover all three of these devices and weigh their advantages and disadvantages.
USB video grabbers small external devices that connect to the USB port of the computer recording. In general it can be said that work on Windows, Mac and Linux machines and I accept VGA and DVI inputs. The advantage of a USB-based frame grabber that they are compact, easy to carry and easy to switch between different computers, and all desktop and laptop machines.
Ethernet gitalizálókat, similar to the USB counterparts, also outside is usually large. They use the common RJ45 ports, and since the introduction of Gigabit Ethernet, able to record video in a much higher frame rates than USB grabbers. In addition, Ethernet gitalizálókat can be installed in a remote location via the network and the remote or on the Internet, which makes it ideal for recording lectures or conferences broadcast applications. Gitalizálókat Ethernet is available on site and direct crossover RJ45 network connection.
PCI Express based grabbers are internal device that occupies the slot PCIe desktop. Unlike VGA grabber types outlined above, it can not be transported and do not operate remotely. Generally speaking, there is no reason to choose a PCIe-based device via an external frame grabber. However, PCI-Express based grabbers are often used for individual cases where they are fed into the computer.
network-based video capture devices, such as VGA2Ethernet extremely high capture rates, are able to obtain VGA and DVI video streams, and can also capture audio. They are also compatible with almost any computer and remotely accessible when needed. No other type of frame grabber provides such an extensive feature set. This reason is, if you select video capture hardware network-based versions would be the best solution.