When you are watching a lecture recording in Blackboard click the bookmark you've just created. A prompt will ask you to enter the playback speed, 1.5 is entered as the default, but you can enter any decimal number. Press enter or click OK and the playback speed will be immediately applied.Jan 28, 2021
Blackboard Collaborate lecture recordings don't have a button to adjust the playback speed.Sep 30, 2020
Click on the menu on the left hand side and click on recordings. Be aware that your recording will not show up automatically. It will take between 10 minutes to an hour after recording to see your recording pop up here, so plan accordingly.