In the Lecture halls of the list you can use Zoom to create a livestream from webcam, lecture hall microphone visualizer and computer screen content with a text chat as a return channel.
In the lecture halls, the media technology was supplemented at short notice so that a live stream is possible from there with the help of Zoom. In order to use it, the lecturer must have a Zoom licence and must bring his or her own laptop. In the lecture halls a webcam and the use of the visualizer are provided. As a rule, the microphone already available there can also be used in Zoom. In some, smaller lecture halls without their own microphone system, this is not possible; there, an additional microphone must be connected to the laptop. The internet access is usually wired viaLTA access. Where such a connection does not exist, it is possible to use the KIT WLAN, with some restrictions in the reliability of the Internet connection.
If you wish to use this scenario, please be sure to observe the generalNotes on implementation. The procedure shown (see "Instructions") represents the simplest possible implementation available in the area. Of course, more complex variants beyond this are possible on your own responsibility. Please always remember not to change the cabling in the lecture hall so that other teachers can also work reliably after you.
For tests to test the technology, please make an appointment via the lecture hall allocation (lehrraumvergabe∂aserv kit edu). This will automatically notify the lecture room supervisors of the reservation and the room will then be open and overlap with other uses will be prevented. In Building Services, you will find contact information for the Media Technology team if you encounter any problems or need additional instruction beyond the instruction sheet.
InstructionsQuick guide: Using Zoom for hybrid scenarios with lecture hall media technology
Tutorial: Recording lectures with Zoom
Quick guide: Window arrangement of Zoom for hybrid scenarios in the lecture hall
Tutorial Blackboard Lecture with Zoom, including hardware recommendations
Advanced usage options and expert:inside tips
Why no blackboard?
Why no blackboard?Instead of the blackboard, the Visualizer is used. This means you can write on paper and show this on the beamer and in the livestream in Zoom. A blackboard image would have to be filmed manually with a camera. There is a separate scenario for this.
Your own laptop as media control!Unlike before, the control is primarily no longer done with the media control of the lecture hall, but on your laptop. There you create the desired display from the Visualizer image, your own content such as a presentation and elements from the Zoom return channel such as the chat. You output this presentation once to the beamer in the lecture hall and release it in Zoom as a stream. To make this possible, you get the Visualizer signal, the webcam and the microphone sound via USB cable. The output to the beamer is done via HDMI cable. Switching between different contents in the event is then done during the event on your end device in Zoom.
What content is possible?Basically, you can use anything that can be displayed on your end device. This can be e.g. PowerPoint presentations or other screen contents. The image of the Visualizer is provided to you via USB as a second webcam. You can select this in Zoom in the screen sharing as a second webcam and show it in the livestream as well as on the beamer in the room. At the same time, you can show yourself in the stream using the webcam.
Is it also possible to record?In principle, this is technically possible without any further hurdles. However, the requirements of data protection must be observed. Students must not be recorded. This would require written consent and administration for subsequent, targeted processing of individual deletion requests. Therefore, it is not possible to record parts in which students can be seen or heard. Alternatively, you can record the lecture portion and pause the recording in Zoom for several discussion sections in between. The individual sections recorded in this way are available at the end as one video file in one piece without post-processing.
Lecture halls without a suitable microphoneIn a few lecture halls without a microphone system, you will need a suitable wireless microphone of your own so that students participating online can hear you.
For about 230 € you can buy the Hollyland Lark 150duo radio microphone (one receiver, two transmitters) can be recommended. It covers about three to four hours of use at a stretch. The case with integrated powerbank for charging the transmitter and receiver between lectures is particularly practical.
Alternatively, we have also had good experiences with the small wirelessRhode Wireless Go(approx. 200 €) made good experiences. Transmitter and receiver are small and light and have an operating time of several hours.
Both devices each have a built-in clip that allows the microphone to be easily attached to clothing. The receiver is attached to the laptop via a jack. If the laptop has a combined headphone and microphone jack with 4-ring on the plug, a Y-splitter adapter cable (<10 €) is needed that splits the headphone and microphone jack.
Notepad Zoom enable
Microphone icon (bottom left): One to several USB devices appear here. Select them one by one and check for which one you see a green color in the microphone icon when you tap on the microphone with mute removed.
Likewise, select the HDMI output of your laptop as the speaker here so that contributions from students connected online can also be heard in the room.
Camera icon (bottom left): Select the laptop's built-in webcam or the additional USB webcam you want to show. The camera device for the Visualizer also appears here, but is not selected here.
Share Screen (bottom center): This is where you share or switch between different content to display in the livestream. For example, you share your entire screen, a window of an application or documents under the Visualizer as content of the second camera. The sound and the screen sharing are recorded in each case.
HDMI output to the beamer: The beamer is connected via HDMI. Depending on your system and requirements, you can decide whether this should display the contents of your screen 1:1 or be used as a 2nd screen.
Tip Display PowerPoint presentation in window instead of full screen mode
A PowerPoint presentation can also be played back in a window if, for example, other content such as the chat history from Zoom is to be displayed on the beamer in addition to the presentation. To do this, select the setting "View through an individual (window)" under "Set up slide show" for "Type of presentation". Then the presentation will be displayed in its own window at startup and will no longer fill the entire display in full screen.