What OBS Studio is used for
OBS Studio is a free, open-source application for recording video and producing live streams. It assembles a picture from sources you choose, such as an application window, a camera and a title, and combines that picture with selected audio. The result can be recorded locally or sent to a streaming destination. This makes it useful for software demonstrations, lectures, game broadcasts and other productions where the material is captured while it happens.
Start by identifying the result you need. A tutorial may require a clear view of one application and a microphone; an interview may need a camera layout and separate scenes for different parts of the programme. These are composition decisions rather than a requirement to use every available feature. A short local recording is a useful way to inspect the picture and sound before attempting a longer session or connecting to a live audience.
Scenes organise the programme
A scene is a layout made from visual and audio sources. You can prepare several scenes and switch between them, for example from an introduction to a screen demonstration and then to a closing message. Preparing those arrangements beforehand is easier to manage than repositioning every element while a presentation is in progress. Give scenes recognisable names that describe their purpose, so the correct view is easy to identify during a recording.
Within a scene, source order determines which visual element appears above another. A webcam picture can sit over a captured application, while a title can sit above both. An opaque source placed at the top may hide material underneath it, so source order is part of the composition. Review each arrangement in the preview and check the edges of the canvas. A useful layout leaves essential application controls or presentation text readable rather than covering them with decorative overlays.
Choosing the right capture source
OBS Studio offers sources for screens, application windows, cameras and capture devices, as well as images, media, text and browser content. Choose the source according to what the audience should see. Capturing a whole display is convenient when moving between applications, while a window source can keep the composition focused on one part of the desktop. A browser source can bring web-based material into a scene, and image or text sources can provide a title or visual explanation alongside the captured content.
Source availability depends on the operating system and the selected build. The dedicated Game Capture source is a Windows feature; on other platforms the relevant display, window or platform-specific screen capture options are used instead. Do not assume that every capture method behaves identically on every computer. For a demonstration, check the actual application view before recording and avoid displaying private notifications, unrelated account details or material that should not be part of the finished video.
Positioning, cropping and visibility
Sources can be positioned and resized in the scene, and cropping lets you choose how much of a source is visible. This is useful when a captured display contains areas that do not contribute to the explanation, or when a camera picture needs to fit beside the main content. Position and size affect the composition; cropping affects the visible portion of the source. Inspect the result at the size a viewer is likely to use, especially when the recording contains small text or interface controls.
A source can also be hidden without removing it from the prepared layout. This helps when an element is needed for only part of a programme, such as a title that appears during an introduction. Source visibility and ordering should be reviewed together: hiding an upper source may reveal material that was previously covered. Keep the scene arrangement simple enough to operate reliably while speaking or demonstrating another application. A clean layout is often easier to understand than one containing many competing elements.
Controlling microphone and other audio
The audio mixer provides controls for individual sources, allowing microphone sound and other audio to be balanced within the production. Watch the meters while speaking and while the other material is playing; a level that seems adequate in isolation may make speech difficult to follow when several sources are combined. Make a test recording and listen to the result through headphones before relying on the live meter alone. The goal is an intelligible balance for the actual programme.
OBS Studio includes audio filters such as gain, a noise gate and noise suppression, and supports compatible VST plugins. These have different purposes. Gain changes the level, a noise gate can close during quieter intervals, and noise suppression can reduce unwanted background sound. Settings should be checked with the voice and room used for the recording, since an aggressive adjustment may also affect speech. A plugin is an additional component with its own compatibility requirements, rather than a guarantee that every audio processor will work in every OBS installation.
Transitions and preparing the next scene
Transitions determine how a change between scenes appears in the output. OBS Studio supports scene changes with effects as well as immediate cuts, and can use custom stinger video files. Choose a transition that suits the presentation: a short, restrained change may be easier to follow during a technical explanation than an elaborate animation. Test transitions with the actual scenes, because a camera view and a detailed screen capture can have very different visual compositions.
Studio Mode provides separate preview and programme views, helping an operator prepare the next scene before switching the programme to it. It is useful for checking a planned composition and deciding when to show it. However, sources shared by several scenes require care: modifying an underlying shared source can affect its other uses. Treat the preview as a production aid and test the specific scene/source arrangement before making changes during a live session. Hotkeys can simplify common actions such as scene switching, starting a recording or muting a source.
Recording locally and streaming online
Recording and streaming are distinct output activities. A local recording creates a file that can be inspected, stored or passed to another application. Streaming sends the programme to a configured destination for an audience to watch. Encoding settings, picture dimensions, frame rate and destination choices affect the result and the resources needed to produce it. Select settings that suit the intended use and the available hardware instead of assuming that a larger picture or higher bitrate is always preferable.
For an initial test, record a representative segment containing the sources and audio you intend to use in the full production. Check whether text is readable, movement looks appropriate and speech remains clear. If you plan to stream, also confirm the destination's requirements and your available connection. OBS assembles and outputs the programme; it does not replace a separate editing workflow for rearranging or trimming recorded footage afterward. Keep the local recording and any later edited export clearly identified as different stages of the project.
Organising the workspace and extensions
The interface uses docks that can be rearranged, and individual docks can be placed in separate windows. This lets the operator keep the scene list, source controls and audio mixer within easy reach. Multiview provides an overview of several scenes, which can be useful when a programme has more than a single camera or screen layout. Arrange the controls according to the actions you will actually perform, particularly if the same computer is also running the application being demonstrated.
OBS Studio can be extended with native plugins and scripts written in Lua or Python. Extensions can add specialised behaviour, but they bring their own installation and version requirements. Start with the built-in functions that meet the production's needs, then add an extension when a specific task requires it. Keep a record of essential components and test changes before an important session. The information on this page identifies the available OBS package; it should not be read as a promise that every external plugin or capture device is compatible with that build.