These instructions, which are currently only for Windows users, will explain how to automatically generate live captions in your web browser for any audio that is playing, which will include people speaking in a live Collaborate session.
Steps
Download the VB-CABLE Driver. (if you want more info on what this is you can find it here).
Right click on the VBCABLE_Driver_Pack43.zip file, select Extract all, and select Extract. This will create a folder called VBCABLE_Driver_Pack43.
Delete the zip file.
Open the VBCABLE_Driver_Pack43 folder, right click on the file VBCABLE_Setup_x64 and select Run as administrator.
Select Install Driver.
Once it's done installing, do not reboot the computer and continue to the next step.
On your keyboard, press the Windows-key + R-key combination to open the Run box, type mmsys.cpl, and press Enter. This should open the Sound Control Panel.
Select CABLE Input and select the Set Default button.
Select the Recording tab.
Select CABLE Output and select Set Default.
Select CABLE Output and select the Properties button.
Select the Listen tab.
Enable Listen to this device.
Set Playback through this device to the device that you'd like to listen to Collaborate on, probably your headset.
Select the OK button twice to exit the Sound Control Panel.
Open your web browser and navigate to webcaptioner.com.