OBS Studio is a great free and open-source tool for broadcasting, recording and streaming. But, if you want to get the most out of it, you need to adjust to the best settings for OBS cameras. Continue reading to learn how to change the webcam settings for optimum results.
Getting Started Changing the Settings for Webcams
Check for External Factors
It's definitely worth tweaking your settings for webcam in any software you use, but remember that what your camera is seeing is only as good as the environment you're filming in. Changing window light or the wrong kind of artificial light will alter how your video looks, so it's important to think about those external factors in addition to your software settings.
- How to Set Up Lights in Your DIY Video StudioAdi Purdila16 Aug 2017
Check Your Hardware and Settings
Before we jump into the details, I'll mention our quick-start guide to live broadcasting with OBS. If you are new to OBS this post has handy instructions on the basics.
- OBS Quick Start: How to Create Live Video for Free With Open Broadcaster Software StudioMarie Gardiner03 Aug 2022
Add Your Webcam as a Source
Let's get started adjusting the settings for webcams. Add your webcam as a source and then right-click and choose Properties.
1. Properties and Settings for Webcams: Resolution and Frame Rate
At the moment everything is set to default and you might notice your webcam looking softer than it should and also cropped.
If you change Resolution/FPS from Default to Custom you can set things like the resolution and frame rate yourself.
If I set the resolution to 1920 x 1080 you can see the image is sharper and no longer cropped.
Frame Rate is set to Match Output FPS by default but you have a number of options. Ideally you want the highest your PC can handle.
Once you’re happy with your settings, hit Configure Video and this will bring up your camera’s properties and settings. What you’ll have available to you might depend on your camera, but you'll also have access to things like brightness, contrast, sharpness and so on.
2. Open Broadcaster Webcam Properties: Exposure, Brightness, Contrast, Colour
You’ll notice below I’ve got two tabbed options: Video Proc Amp and Camera Control.
In Camera Control you’ll see that the options my camera doesn’t have are greyed out, so there’s nothing I can adjust with those, but you may have access to some or all of these depending on your camera. Exposure has Auto ticked. It’s usually best to untick auto so that your camera isn’t constantly adjusting while you’re streaming or recording. Again, this only works well if you have controlled lighting conditions or add supplemental lighting the environment you’re filming in. If the light is consistent then you won’t need auto, and you can turn it off.
Ideally you want your image nice and bright but without being over-exposed. If it’s over exposed then not only might it be worse to view, but it could also cause frames to drop as it struggles with the light. As you adjust the exposure, keep checking your preview to make sure there’s no flicker or stutter there.
In Video Proc Amp make adjustments and keep an eye on the preview window. The trick is to keep your external factors (lighting, position etc) the same. Keep all these parameters the same then you’ll get a consistently better-quality result.
The auto white balance was ticked as default, but it's best to turn that off as it tends to favour being overly warm, which can in turn make your image look overly saturated. If you’re filming near a window this will definitely affect your picture, as the quality of the light will change through the day and your camera will constantly be adjusting to balance it. Ideally you should be trying to get a neutral skin tone, but there may be a specific reason you want to make it warmer or cooler, so adjust to suit.
Exposure vs Brightness vs Gain
The key difference between Exposure and Brightness is that increasing exposure is telling your camera to let in more light but increasing brightness adds lightness artificially, in the software. If the exposure is too high your highlights will blow out but there’ll still be contrast in the image, whereas if you pull up the brightness to full it artificially lightens everything and makes it flat.
Gain is the sensitivity of your camera to light, like ISO. Turning up the gain will brighten your image but just like with a still photograph, the trade off is added grain, or "noise."
After Webcam Settings Adjustments
Make small adjustments to your settings until your picture looks right.
3. Add an OBS LUT or Colour Filter
You can add an OBS video filter or look-up table (LUT) to your image just like you would to alter colours with pre-recorded footage. Right-click on your webcam Source again and choose the OBS video Filters.
Underneath Effect Filters, click the + button and you’ll see the options for adding OBS camera filters.
I'll add a LUT as an example. It’ll ask you to name the OBS LUT and then you’ll see this screen:
You can load in your own LUT or use one of the OBS defaults, click Browse to open the default folder and choose one or navigate to where you’ve saved your own.
The OBS LUTs can be in either PNG or Cube file formats, and as is the nature with LUTs, you should be able to use any that you have for other software, in OBS.
I’ve selected grayscale so you can see the effect of these OBS filters for webcam:
You can use the Amount bar to reduce the effect of the OBS LUT.
There are LUTs available to give your image a simple adjustment (colour, contrast and so on) or you can get LUTs and OBS video filters that colour grade. There are some cool LUTs included with OBS so if your broadcast or recording is a little quirky you could get away with something a bit more extreme, for example this red isolation LUT picks out the red and warmer tones:
With these OBS filters for webcam, you'll get a very Sin City or Film Noir look.
Before and After
Just to recap, I changed the resolution and framerate in the webcam properties, then increased the exposure, turned up the gain a little, fixed the white balance and turned off all of the 'auto' settings.
Remember to test your settings with a practice stream or recording first, as everything might look great but have a stutter or flicker—it's all about balancing the best settings for OBS—we go into this in more detail in the article below.
- How to Reduce Latency for Live Video Streaming (Quick Tips Guide)Marie Gardiner11 Dec 2020
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