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This document summarizes how to use CaptureSpace Lite or OBS studio as a work-around lecture capture recorder.
While fine as a review resource or for future reference by the instructor, full-class lecture capture is not a recommended practice for instructional purposes. Shorter (less than 10-15 minutes), content-specific, videos tend to work better in an online context.
NOTE: OBS Studio is not directly supported on campus. Technical support for OBS Studio is available from their forums at https://obsproject.com/forum/
Instructors may wish to record specific sections of their lectures using Kaltura Capture. Re-purposing face-to-face lecture recordings for online courses is not recommended. More information about using Kaltura Capture is available here:
Launching Kaltura Capture
To use the Kaltura Capture Desktop Recorder app and ensure it connects with your Kaltura account and My Media library, launch it through Canvas:
- Log into Canvas from the UWGB Canvas Login Page
- Select Account in the global navigation menu along the left edge of the page
- Select My Media
- Select Add New
- Select Kaltura Capture
- If prompted by your browser, allow the site to open the Kaltura Capture application. The first time you use Kaltura Capture on a computer, you will need to first download and install the app on the computer (see below).
Installing Kaltura Capture (for first time users)
After navigating to a Kaltura Capture launch point (steps 1-4 above), click on either Download for Windows or Download for Mac (depending on your computer's operating system), and follow the installation procedure outlined on this Kaltura Knowledge Center page: Downloading and installing the application. After you have installed the software, launch it from Canvas by repeating the steps documented above.
Making Recordings with Kaltura Capture
- On the recording setup widget seen after launching Kaltura Capture, ensure you are recording the desired inputs. To select or deselect an input for recording, click the icon above the input's name (Screen, Camera, or Audio). Inputs with a blue icon will be recorded; inputs that have a gray icon with a line through it will not be recorded. If all inputs are selected, Kaltura Capture will record your screen and camera simultaneously along with audio from your computer's microphone. In the finished video, viewers can customize their view during playback so that either the screen capture or camera video is more prominently displayed.
In the example screenshot below, the screen and microphone audio would be recorded and the camera would not be recorded.
- If your computer has multiple screens, cameras, or audio devices, you can select which device to use for each recording input by clicking the down arrow next to the input name and selecting the device in the drop-down menu.
- Check your microphone by saying a few words. You should see a line moving inside of the microphone icon, which represents a basic visual audio meter. If necessary, click the down arrow next to "Audio" to select a different microphone.
- TIP: Make a test recording of a few seconds and play it back to ensure that the correct inputs are recorded and your audio sounds good.
- NOTE: When recording both screen and camera at the same time, no camera preview is visible while recording. In other words, you will not see yourself while recording. Sometimes people don't realize they've recorded their webcam until they review the recording afterward, so be sure to pay attention to which inputs are selected before starting your recording.
- To start your recording, click the circular red record button. A on-screen timer will count down from 3 seconds and then your recording will start.
- While recording, a small toolbar with a recording timer and controls will appear in the bottom corner of your screen. When you are done recording, click the square stop button.
The icons on the Kaltura Capture recording toolbar from left to right are:
- Stop recording (square icon) - click this when you're all done recording
- Pause recording (double vertical lines icon) - useful when taking a break or to change recorded content (e.g. switch from PowerPoint to a YouTube clip). This icon turns into the resume recording icon while a recording is paused.
- Cancel recording (X icon) - stops and discards you current recording
- Current recording duration
- Microphone indicator - a visual auto meter that represents the current volume of recorded sound. If your selected microphone device is working, the meter inside the microphone will visibly "bounce" when you speak.
- Annotation tools (pencil icon) - clicking this icon opens the annotation tools menu above the recording panel (seen in the upper half of the above image). You can draw (pencil icon), create onscreen arrows by clicking and dragging (arrow icon), create text boxes (T icon), record the mouse pointer with "clicks" indicated visually (cursor/pointer icon), reposition existing annotations by clicking and dragging (4-way arrow icon), select the color of annotations (color icons), discard/clear all annotations (trash can icon), and adjust the width of annotations (vertical slider).
- After selecting the stop button, a confirmation window will appear and ask if you are sure you want to stop the recording. Click Yes, Stop it to confirm.
- The next screen will allow you to preview the video, change the title, and add an optional description and/or searchable tags. Edit the Title, Description, and Tags fields as desired, then select one of the following options:
- Select the Save & Upload button to save your recording and upload it to your My Media library (recommended).
- Select the Save button to keep the recording in the Kaltura Capture library on your computer's local storage but not upload it to My Media at this time. Selecting this option is only recommended if you are not currently connected to stable high-speed internet and wish to upload your recording later.
- Select Delete if you do not want to keep your recording and wish to permanently delete it.
- NOTE: After your video finishes uploading, the notification of success and the library entry will display a link to the video. These links displayed within the Kaltura Classroom app do not work with UW System's Kaltura implementation. To view your uploaded videos, access My Media within Canvas.
- NOTE: After a video is uploaded to the server, it undergoes a processing step during which it cannot yet be played back. Under normal conditions, the video will be ready to play within 1-3 times the video's duration. Recently uploaded videos may initially play back with low quality as the high quality video takes additional time to process; the video quality of recently uploaded videos should automatically improve within 24-hours.
- TIP: If you need to access the Kaltura Capture app's library to view, upload, and/or delete recordings that are saved to local storage, the library can be opened by clicking the Manage link on the recording setup widget. Deleting recordings on the Manage page deletes them from local storage only; uploaded recordings remain available on the My Media server even if deleted within the Kaltura Capture app's library.
- To share an uploaded recording, embed it in Canvas or copy the share link from My Media.
Instructors may wish to record specific sections of their lectures using OBS Studio. Repurposing face-to-face lecture recordings for online courses is not recommended.
Installing OBS Studio
OBS Studio can be installed from the Software Center on campus computers. NOTE: You will probably need administrator permissions from the GBIT Service Desk to install the software.
OBS Studio can also be installed on your own computer from https://obsproject.com/
OBS Configuration/Layout Settings
- Open OBS and go to File > Settings (or click "Settings" under "Controls")
- Under Output set the following:
Under Video, ensure that the "Base (Canvas) Resolution" is either 1920x1080, 1280×720, or 1024×576 and that the "Output (Scaled) Resolution" matches it. The smaller video sizes are generally recommended.
- Output Mode: Simple
- Video Bitrate: 1250
- Encoder: Software (x264)
- Audio Bitrate: 96
- Enable Advanced Encoder Settings: UNCHECKED
- Recording Path: Click Browse and navigate to a flash drive or suitable network share (M-Drives may fill up too quickly and are not recommended)
- Generate File Name without space: UNCHECKED
- Recording Quality: High Quality, Medium File Size
- Recording Format: flv
- Encoder: Hardware (QSV)
- Custom Muxer Settings: BLANK
- Enable Replay Buffer: UNCHECKED
- Under "Sources" click the plus sign and choose "Display Capture." Select the display under the "Display" dropdown (if applicable) and click OK. Note: You will probably see the "infinite screens" effect if you select the display you are currently using.
- Under "Sources" click the plus sign and choose "Audio Input Capture." Select your microphone (if applicable). By default, the software will also record the "Desktop Audio"
- Most people do not use "Scenes" (apart from the default) or Scene Transitions.
- If you are capturing a webcam as well, click the plus under "Sources" again and select "Video Capture Device" use the preview and, in most cases, the default settings to ensure that it's set up properly. Once you've added the webcam source, you may need to use the up and down arrows under "Sources" to ensure it appears on top of the display.
- Repeat step 1 and/or 5 to add additional displays or sources (such as additional web cams) if any.
- You may wish to alter the layout of the inputs. Do so by clicking and dragging and using the red circular handles on the corners of the regions. Pro tip: Use THIS IMAGE as an additional "Image" by clicking the plus sign under "Sources" and move it to the bottom using the arrows for a nicely branded UWGB background.
- NOTE: If content is bigger than the canvas (likely if using a smaller resolution in Step 3 under "Settings"), just right click its preview and select Transform > Fit to Screen.
Once your setup is complete, click Start Recording under "Controls" Note: nothing pops up telling you it is recording, but the "Start Recording" button will change to "Stop Recording"
Most of the time, you'll want to just minimize OBS Studio while presenting. When done, open it from the task bar/system tray and click "Stop Recording"
Check that your video appears on your flash drive or in your alternative designated location.
Uploading Your Video
When you return to your office, you can upload your video to Kaltura and selecting the video from your flash drive as the media file
Adding Recordings to a D2L Course
Once Kaltura has successfully processed your videos, you can add them to your course as you can any other Kaltura content. Here are some options for adding Kaltura content to D2L.