When I record video captured from USB Capture (Plus) devices with OBS, the audio and video are out of sync

Check the usage of GPU and CPU when recording video with OBS. If the values are too high, reduce the encoding parameters. Record a video clip with Capture Express to see if the synchronization issue occurs. In OBS, do not select audio devices in the properties window of video capture device. It is recommended to add an independent audio input device and select the Use Device Timestamps checkbox.

How to save changes of the Video Proc Amp tab in the driver panel?

By default, all changes of the Video Proc Amp tab in the driver panel is only saved temporarily. When the capture software is closed, all properties in this tab revert to their default values. If you want to permanently save changes of the Video Proc Amp tab, follow these steps: Run "regedit" on Windows to open the Registry Editor. Move to Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ProCapture (or EcoCapture)\Card Name\Board X, Channel X. Change the value of PersistAmpSettings to 1. Disable and enable the capture card in Device Manager, or restart the computer.

Pro Capture Dual SDI 4K Plus card has 8 HD BNC interfaces. Can each interface capture one channel of video?

Pro Capture Dual SDI 4K Plus card is a dual-channel capture card. After installing the driver, the system will load two capture channels. Each channel corresponds to four interfaces, and the signal types supported by each interface are as follows: Interface 0: Supports single-link 3G SDI signal. Interface 1: Supports single-link 3G SDI signal. Interface 2: Supports single-link 3G/6G SDI signal. Interface 3: Supports single-link 3G/6G/12G SDI signal. The four interfaces can receive quad-link 3G SDI signals, which can be integrated into a single-link 12G SDI signal. Interfaces 2 and 3 can receive dual-link 6G SDI signals, which can also be integrated into a single-link 12G SDI signal.

Short FAQs about First Generation Capture Device

Can Gen 1 XI devices use the drivers of Gen 2 Pro Capture devices? No. Do XI100DUSB-SDI devices support 3Gb SDI video format? No. But USB Capture SDI Gen 2 support this video format. Are Gen 1 XI devices compatible with Windows 10? Yes. Where can I download the driver of Gen 1 XI devices? Please click here to download the driver. Are USB Capture Gen 1 devices compatible with USB Capture Utility V3? No. USB Capture Gen 1 devices is only compatible with USB Capture Utility V2. The Gen 1 XI100DUSB-HDMI (silver) device can be compatible with USB Capture Utility V3 after it’s firmware is upgraded (see How to connect XI100DUSB-HDMI device with USB Capture Utility V3). Are there any Linux drivers for Gen 1 XI devices? No.

How to configure Ultra Stream via Web UI

Ultra Steam allows you to set up and control it via a web-based user interface as an administrator account or a general user. Make sure that at least one of the following web browsers is equipped in your system. Microsoft Internet Explorer 11 Microsoft Edge Mozilla Firefox version 61 and above Google Chrome version 49 and above Apple Safari 11.1 and above Opera 55.0.2994.44 and above Method Ⅰ: For Windows 7/8/8.1/10 users, using the File Explorer Open a File Explorer window. Select the Network. Turn on the network discovery function if disabled. Find your Ultra Steam device in the Other Device section, where the detected device will be shown as "Ultra Steam + (serial number)". Double click the device icon to open the Web UI in your web browser. Enter your account and password in the SIGN IN page. The default administrator account and password (case-sensitive) are as follows. Username: Admin Password: Admin Method Ⅱ: For all users, using the IP address in the Ultra Steam app Search the device in the Ultra Stream app with smart phone. Find the IP address in Settings. Input the IP address to a web browser in the same LAN. Then the web UI of your chosen device pops up. Enter your account and password in the SIGN IN page. The default administrator account and password (case-sensitive) are as follows. Username: Admin Password: Admin

How to set the encoding profile of H.264 video stream

Use Ultra Stream App to set encoding profile In Ultra Stream App, tap SETTINGS > Encoding Parameters >. In the Encoding Parameters page, turn on Customize Main Stream, select a set of encoding parameters, and then tap Advanced Set > Encoding Profile. If you want to set the encoding profile of the sub stream, return to the Encoding Parameters page, locate to the Customize Sub Stream section, and then tap Advanced Set > Encoding Profile. Use Web UI to set encoding profile Log onto the Web UI. (See How to configure Ultra Stream via Web UI) In the Encoding Parameters tab page, turn on Main Stream, and then click Advanced Settings > Encoding Profile. If you want to set the encoding profile of the sub stream, locate to the Sub Stream section, and then click Advanced Settings > Encoding Profile.

Images from the Pro Convert device are displayed as black screen in NDI^® Monitor

1Make sure that the source is properly connected 2Is the Pro Convert device connecting to any loop-through device? When the loop-through interface of the Pro Convert device is connected to a monitor and the SmartEDID function is enabled, the Pro Convert device may use the EDID of the loop-through monitor, which may result in the failure of the NDI Monitor to display the images properly. To turn off the Smart EDID function: Log into the Pro Convert Web UI. For instructions on how to access the Pro Convert Web UI, see how to configure Pro Convert via Web UI. In the EDID tab page, unselect the SmartEDID option. 3Are the computer and Pro Convert device on the same network segment? In the File Explorer, click the Network tab in the sidebar. In the Network window, expand Other Devices, and then look for your Pro Convert device. If your Pro Convert device is found, the computer is on the same network segment as the Pro Convert device. Otherwise, please reset the network of your computer or Pro Convert device.

What are the transfer rates of Pro Convert devices?

1 x stream SD video = 20 Mbps 1 x stream 720p50/59.94 video = 90Mbps 1 x stream 1080i50/59.94 video = 100Mbps 1 x stream 1080p50/59.94 video = 125Mbps 1 x stream UHDp30 video = 200Mbps 1 x stream UHDp60 video = 250Mbps Actual bandwidth could vary according to the complexities of video.

Short FAQs about Pro Convert

Which kind of video stream do Pro Convert devices support? Full NDI® or NDI®|HX? Both Full NDI® and NDI®|HX are supported by Pro Convert decoders. Only Full NDI® is supported by Pro Convert encoders. Do Pro Convert devices support saving video files to local disk? Yes. You can use OBS and other software to record video captured by Pro Convert device and save it to local disk. How can I add an NDI® source from a Pro Convert device to OBS? Please go to OBS official website to download and install the NDI® plug-in, and then add NDI® source device in OBS. Can I view packet loss rate of Pro Convert device? Yes. You can view the packet loss rate via the Web UI. In addition, packet loss is mostly caused by network conditions. It is recommended to set up a proprietary LAN to reduce packet loss rate caused by network delay and jitter. Is it complicated to set up the network configuration for the Pro Convert device? You only need to ensure that the Pro Convert device and other devices in your NDI® workflow are in the same LAN, then the Pro Convert device automatically gets the IP address over the DHCP network. If your network is not DHCP, please refer to this article to log in to the Web UI and then go to "System > Network > ETHERNET" to set IP address manually. Can I set the output resolution and frame rate of Pro Concert devices? Via Web UI, you can set the output frame rate (1, 1/2, 1/3, 1/4) and resolution. Can Pro Convert devices work across network segments? Yes. This feature is provided by the latest firmware. What is the latency from encoding to rendering when using Pro Convert device to transmit 1080p30 signal? During the processes of capturing video, NDI® encoding, transmission, NDI® decoding and rendering, the Pro Convert device is affected by network state, switches, decoders, and displays. Ideally, for a Magewell codec, delay when processing 1080p60 signals is about 70 ms. We recommend that you use hardware-only switches and monitors to avoid delays that brought by the operating system. If you use the Magewell Pro Convert NDI® decoding product, you can also use the device's Web UI to reduce the video buffer to further reduce the latency of the entire workflow. Do Pro Convert devices support multicast transmission? Yes. But multicast transmission only recommended for LAN that is not connected to an external network. Does Magewell provide an SDK for Pro Convert? Yes. We provide API documentations and example codes to help users easily use the interfaces and control Pro Convert devices. Is it possible to decode the NDI® stream emitted by another device using Magewell Pro Convert device? Yes. The Pro Convert NDI® decoder can decode Full NDI®, NDI®|HX, and NDI®|HX2 streams sent from software or hardware encoding devices.

Short FAQs about USB Capture (Plus)

What is the latency of USB Capture (Plus) device? Please refer to this article: USB Capture Latency Test. Which software can record 4K videos that are captured by USB Capture HDMI 4K Plus? Magewell Capture Express, VMix, OBS, XSplit Broadcaster, Meridix Broadcast Producer, etc., support 4K video recording. Can't capture audio when USB Capture HDMI Gen2 is used via the USB 3.0 expansion card of a VIA chip It is recommended to update the VIA chip driver to version 4.90A or above. My computer does not have a USB 3.0 port. How can I use the USB Capture (Plus) device? It is recommended that you purchase a USB type C to USB 3.0 adapter. Is USB Capture (Plus) compatible with USB 2.0? Yes. But the limited transmission bandwidth of USB 2.0 cannot guarantee the transmission of high frame rate or high resolution signal. Can multiple USB Capture (Plus) devices be connected on one computer? Yes. To ensure that the bandwidth won't be affected, make sure each USB capture device can be connected to an independent USB 3.0 Extensible Host Controller. You can check whether your computer has multiple independent USB 3.0 Extensible Host Controllers in Device Management. Do USB Capture (Plus) devices support using a phone or tablet as a source? Yes. Apple devices can use Lightning to HDMI cables to output screen signals. Android devices can use MHL adapters to output screen signals. When the computer connects with multiple USB Capture (Plus) devices, how are the devices sorted in the system? Devices are sorted by the time they are loaded by the system. Does the 3.5mm Jack interface on USB Capture HDMI (4K) Plus support Line Input? This interface can only be used to capture microphone audio. The level of the Line In audio is at least 50dB above that of the microphone audio. Misuse may cause damage to the hardware components of your capture device. What is the maximum frame rate when capturing 4K video using USB Capture HDMI 4K Plus? USB Capture HDMI 4K Plus supports 4Kp60 video input. However, limited by the bandwidth of USB 3.0, the maximum frame rate can only reach 30 fps when capturing 4K video in NV12 color format. What's the meaning of different statuses of indicator light? Please refer to this article: Status of the Indicator Light on USB Capture (Plus) device. Which brand of chipset is compatible with USB Capture (Plus) devices? USB Capture (Plus) devices are compatible with chipsets from Intel, Renesas, ASMedia and Fresco Logic. Only one audio channel can be found when I use a capture device that supports multiple audio channels on the macOS 10.13.1 system Please upgrade your system to macOS 10.13.2 and above. The captured 4K NV12/I420 video has ghosting problem Please update your firmware to the latest version. Will the capture quality and product life of device be affected by high working temperature? The housing temperature of Magewell USB capture device may be higher because of its metal shell and special cooling design. As long as the operating ambient temperature is between 0 to 50 ℃, it won't affect the capture quality and product life.