Video capture cardProduct Description: Use ezcap262, just plug in your PC (Windows, Mac, Linux), no driver installation is required, you can use any third-party software to capture or stream your HD camera video or other SDI HD video sources. feature: 1. USB3.0 port-connect to a computer. 2. SDI output port-loop through the input3. SDI input port-connect the video source with a coaxial cable Working on windowsfirstSet the audio capture sample rate: Note: This is an important setting, otherwise it will cause poor sound quality1) After connecting the device to the computer, right-click on the "speaker" of the computer and select "Recording Device" 2) Double-click "ezcap U3 capture" ---- select the sampling rate "2 channel 16 bit, 48000 Hz (DVD Quality)" in "Advanced" --Note: The most important thing is that setting it to 48000Hz will be better sound. If it is not, and the sound is noisy and skips, it means that your video source is 44100hz or 32000hz, then you need to set it to 44100 or 32000 here to make your voice no noise3) If you need to adjust the input audio level, or if there is no audio input, set the value in "Levels": Cooperation with OBS Studio: 1. According to your computer's operating system, go to obsproject.com/download to download OBS Studio and install it on your computer. ezcap262 uses a USB3.0 cable to connect to the computer, and an HDMI cable to connect to the video source. Windows will automatically install the driver and you will see "ezcap U3 capture" in the device manager. If needed, use a coaxial cable to connect the output to a TV monitor. 2. Run OBS Studio, click the " " icon under the "Sources" window, select "Video Capture Device", and then select "ezcap U3 capture" in the drop-down box next to "Device": 3. Set the audio output mode to "output desktop audio (WaveOut), audio device" to "ezcap U3 capture": 4. Set video delay to synchronize audio and video: 1) Right-click "Video Capture Device", and then click "Filter": 2) Click to add "Video Delay (Async)": 3) Set it to 470ms (you can adjust it down or up until you find that the audio and video are in sync): 5. Then you can record or stream the video: For other applications, you may also need to set up synchronization issues: On VLC: ToolsEffects and FiltersSynchronization Then adjust the delay value of audio track synchronization until the audio and video are synchronized: On Amcap, Capture---Setup----Preview, set the Audio delay (usually 10ms): Use other applications (e.g. VLC, Media Encoder, Potplayer...): Just run the application and select the capture device to "ezcap U3 Capture". Work on MAC: Cooperation with OBS Studio: Download and install OBS studio, and then follow the above operations on windows. Use QuickTime Player: 1. Run QuickTime player and select "New Movie Recording": 2. Select "ezcap U3 capture" under the Camera and Microphone option: Working on Linux: Cooperation with OBS Studio: Download and install OBS studio, and then follow the above operations on windows. (Note: your Linux should meet OBS requirements) Use OBS VLC (show Ubuntu example): 1. Right-click on the window and select "Open Capture Device": 2. Select "Camera" --- "/dev/video0" and click "Play" Specification: connect1. Interface: USB 3. 02. Video input: SDI3. Audio input: SDI4. Video output: SDI, USB5. Audio output: SDI, USB Hardware extra1. Size: 107*55*21 (mm) 2. Weight: 80gPackage Contents1. Equipment ezcap2622. Other USB3.0 cables, manuals standardSystem requirements Windows 7, 8, 10, OS X 10.9 or higher, Linux. PC: Intel Core i5-3400 NVIDIA GT630, NB: Intel Core i7-3537U 2.0 GHz NVIDIA GT735, Mac: i5 quad-core or above, VGA card supporting DirectX 10, sound card, 4GB RAM, USB 3.0 Power supply port: with Intel chipset with native USB 3.0 host controller (Renesas, Fresco...) Resolution 720 x 480 (60p), 720 x 576 (50p), 1280 x 720p (50p), 1280 x 720p (60p), 1920 x 1080 (50i), 1920 x 1080 (110p), 2, 20i 1920 x 1080 (25p), 1920 x 1080 (30p), 1920 x 1080 (50p), 1920 x 1080 (60p) Software compatibility: OBS Studio (windows, OS X); Windows Media Encoder (Windows); Adobe Flash Media Live-Encoder (Windows, OS X); Real Producer Plus (Windows); VLC (Windows, OS X, Linux) ); QuickTime Broadcaster (OS X); QuickTime Player (OS X); Cable Broadcast (Windows, OS X); vMix (Windows); Potplayer (Windows), etc. Development interface compatibility: DirectShow (Windows), DirectSound (Windows), V4L2 (Linux), ALSA (Linux) OS X (QuickTime) Recording quality up to 1080P 60fps