1/28/2024 0 Comments Video capture device![]() For perspective, understand that most current capture dongles attempt to transfer uncompressed video into the computer. So let’s start with a quick review of USB and Thunderbolt connections and connectors. ![]() ![]() The computer side has two primary connectors, USB and Thunderbolt. If you want to broadcast from another device, like a computer, you’ll need a dongle that supports VGA or DVI input, though you’re better off acquiring the signal via the Network Device Interface (NDI) or similar protocol that vMix and Wirecast both support. Looking at the source side, of course, you need inputs to match your camera, which typically means either SDI or HDMI. The first obvious concern is whether the unit connects to your camera/output device and notebook. Note that the products listed are meant to be representative, not exhaustive if your company has a product that should be considered with those listed please add it as a comment to the online version of this article. This buyer’s guide will help guide your purchase decision. You’ve got the notebook and software now you need the dongle, which can cost anywhere from $40 or so to over $700. One of the most popular production setups is a notebook running a video mixer like OBS, vMix, or Wirecast connected to the camera via a capture dongle, which is inexpensive and provides access to titling, transitions, and special effects that add a professional touch. There are myriad technical options for doing this, from encoders attached to (or even inside) the camera to dedicated standalone appliances. Any event captured with a camera can easily be live-streamed.
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