PRODUCT DESCRIPTION: Features: zcap265 / ezcap265Cezcap265 is same as ezcap287, and the only difference between ezcap265 and ezcap265C is ezcap265 is USB 3.0 port, and ezcap265C is TYPE-C port. Work on windowsFirst of AllSet the audio capture sample rate : Note: It is an important setting, otherwise will caused the bad audio quality1), After connect the device to computer, right click on "Speaker" of your computer, choose "Recording devices " 2), Double click "FHD Capture" ----At "Advanced" choose the sample rate to "2 channel 16 bit, 48000 Hz (DVD Quality)" --Note: Most of all, set to 48000Hz will get nice sound. In case not, and the sound with noise and skip, it means your video source is 44100hz or 32000hz, then you need set here to 44100 or 32000 to make your sound without noise3), If need adjust the input audio level, or if no audio input, at "Levels", set the value: Work with OBS Studio: 1, Go to obsproject.com/download to download OBS Studio according to your computer's operating system, and install it on your computer. Connect ezcap287 (ezcap261) to computer with USB3.0 cable, and connect video source with HDMI cable. Windows will install the driver automatically, and you will see "FHD Capture" in device manager. (For ezcap261 you can connect the output to TV monitor with HDMI cable if you need.) 2, Run OBS Studio, Click " " icon under "Sources" window, and select "Video Capture Device", then select "FHD Capture" in the drop box next to "Device": 3, At Set Audio Output Mode to "Output desktop audio (WaveOut), Audio Device to "FHD Capture": 4, Set the video latency for make the audio and video synchronized: 1) Right click "Video Capture Device" then click "Filters": 2) Click to add "Video Delay (Async)" : Work on Linux: Work with OBS Studio: Download and install OBS studio, then do the same as above on windows. (note: Your Linux should meet OBS requirements) Work with OBS VLC (shows example for Ubuntu): 1, Right click on window, select "Open Capture Device": 2, Choose "Video camera" ---"/dev/video0" then click "play " Using as screen sharing for online meeting: 1, First install a application and set it as above ( OBS, VLC, etc) on the computer which for meeting (with online meeting App installed, e.g.: Zoom, Skype for Business, WebEx, BlueJeans) 2, Connect the contents laptop via HDMI cable to ezcap287, then USB cable to meeting computerShow example for meeting App "Zoom " Use VLC (or other application as mentioned above) open the FHD Capture and get the video of the contents laptop ( see the manual above) At meeting interface, click "Share ScreenShow example for meeting App "Zoom " Use VLC (or other application as mentioned above) open the FHD Capture and get the video of the contents laptop ( see the manual above) At meeting interface, click "Share Screen