There are a few different versions.
If you look on the bottom of the box, if you have the box.
2008-2011 USB-Live2 model 610, SL-610-V8.1-ENG
2016-2017 USB-Live2 model 610, SL-610-V1.9-ENG
Just as an example.
Using the SL-610-V8.1-ENG, and OBS 25.0.8 (64 bit) on Windows 7 x64
It shows up as a [ Hauppague Cx23100 Video Capture ] device in - Properties for "Video Capture" device
The audio will start playing automatically if the [Audio Output Mode] is set to "Output desktop audio (DirectSound)"
And it is (Not) set to "Use custom audio device", if it is set it will be silent, the audio source will not work property with that checkbox checked.
The video will be dark or black, no picture if connected to the S-Video Input because the device driver will automatically select the Composite Input. To get a picture you have to press the Crossbar button and select S-Video as the Input from the Left dropdown box.
OBS is not the best capture program if your seeking a raw capture tool, it wants to process the video into some type of streaming or pvr lossy format.
VirtualDub is the go to tool if your on XP or Vista.. and it kind of works on Windows 7
But I've become a recent big fan of AMCap by Noel Danjou
AMCap was last updated in 2017 and runs in Demo mode until purchased, but its low cost and has a nice long history with Windows 7, 8.1 and 10
AMCap was the name for ActiveMovie Capture, the Directshow C++ sample application included with the Microsoft Platform SDK Source from many years ago.
But this AMCap is a total rewrite that had lots of input into its evolution from users, so it has a lot of useful features and lots of bug fixes.
One feature I like a lot is Ctrl+G throws the current Directshow Graph up in GraphEdit automatically, so you can see and study whats actually going on underneath between the Device Drivers and the Filters. I don't know of a single other program that will do that. It also lets you export the Graphs via the ROT table if you have some other debug tool. And it does support MPEG capture. So I tend to think of it as a "Modern " version of
VirtualDub without the Editor part.
VirtualDub is still very useful for a lot of its legacy filters and to someone who grew up on it. I'm not saying abandon it.. but AMCap is very clean and light and surprisingly versatile once you read the Help.
I've also learned that TEE filters are very very important for buffering unstable or interrupted capture sources for maintaining audio video sync and handling glitches in the data stream. Ctrl+G shows them being used generously in both audio and video streams that AMCap puts together for Directshow captures.
AMCap works fine with USB-Live2
It seems silly to me how I dismissed AMCap for so long.. before taking a closer look at it.. now its what I fire up first.
PS. "forehead Smack"
The Most important thing AMCap will do for you (No One Else Will) is it lets you select the Video Renderer from among (
Four) choices.
This is Hugely important when the chosen Video Renderer will not properly handle the Preview or Capture Pin output and displays as Grey, Black or Screwed up Weeves of color mess on screen. There are a lot of cases where this occurs across many different devices.
Again
AMCap will let you set this as an option in its Setup menu.. no other tool will.
I would not say the TEE Filters takes the place of an external TBC or Frame Synchronizer.. but they seem to hang on to the last video frame and audio sample, and keep outputting it.. such that the stream doesn't abort the capture or worse.. like crash your operating system. - That is useful.
With VirtualDub.. I've had stuttering and glitches.. which AMCap "glides" right on through.