11/19/2022 0 Comments Wirecast pro forumThe best place to find support for issues with capture devices is at the website of the manufacturer. Setting up a capture card with your camera and computer should be fairly simple. #Wirecast pro forum downloadPro Tip: Once you have installed your capture device, be sure that you download the device manufacturer’s latest drivers. #Wirecast pro forum upgradeThe Thunderbolt connection box listed above is called the PTZOptics Producer+ upgrade box which provides 4 SDI connections to a computer using the Thunderbolt connections. Thunderbolt connections can support up to 17 Gbps by current specifications which are also great for bringing multiple cameras into your computer. Finally, thunderbolt connections are a great option for many users especially if you have a Mac. A PCIe 3.0 connection can support up to 32 Gbps which is more than enough for four 1080p60fps cameras. PCIe connections come in a variety of types, but they are generally faster than USB 3.0 connections. #Wirecast pro forum 1080pAn uncompressed 1080p camera set to 30 frames per second will use roughly 1.5 Gbps of USB bandwidth. USB 3.0 connections are ten times faster than USB 2.0, and they are ideal for capturing cameras. USB 2.0 connections are ideal for audio mixers, keyboards, mice and controllers. USB 2.0 can handle up to 480 Mbps, but in this example we are showing an audio device using only 128 kbps. The above chart outlines the various bandwidth capabilities of USB 2.0, USB 3.0, PCIe and Thunderbolt connections. Therefore it would be better to connect one camera on each side to optimize your available USB bandwidth. For example, if you have a laptop with two USB ports on either side, each side might share a single USB chipset. Sometimes two or more USB ports will share the same internal chipsets. Pro Tip: If you are having trouble with capturing a camera try moving around the USB ports that you are using. Use your dedicated USB 3.0 or USB C connections for cameras to ensure proper bandwidth channels. If you are running out of USB ports on your computer, use a Hub for low-bandwidth devices like your keyboard and mouse. When using USB connections to capture cameras, it’s never a good idea to use a USB Hub. This is because USB hubs create a bandwidth bottleneck in your capture system. You can add additional USB ports to your computer through a USB hub but it is not recommended for use with a camera. One of the most significant constraints to capturing cameras with a computer is the available card slots or ports on your computer. You can also use a Thunderbolt connection to connect additional cameras to your computer. These USB capture cards convert an HDMI or SDI video signal into a usable USB connection with Wirecast. If you only need to capture one or two cameras you can use available USB ports to connect USB capture cards. Capture card devices can be installed internally in PCs computers using a PCIe card slot. Some capture card models even have options to connect to older standards like composite (RCA) or component (YPbPr) video. To connect a camera with an HDMI or SDI output, you will need an internal PCIe capture card or an external USB capture device. Once it is added to the Main Shot Window, you can click on it and make any necessary adjustments on the System Device Properties tab in the Shot Manager Box. Next open Wirecast, add a new shot, select the Video Capture category, and select your device from the menu. Simply plug your webcam into your computer. Setting up a compatible USB webcam is easy. These options include internal capture cards, external capture devices, USB, IP streams and NDI. You can connect cameras to your computer running Wirecast in a variety of ways that you will learn about in this chapter. Using Wirecast for live video production often requires the connection of a couple cameras.
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