It seems that the audio issue you experienced during your lecture recording might be related to the change in audio input source when you plugged in your headphones. Here are a few steps you can try to recover the missing sound from your recording: 1. Check Audio Settings: - Start by checking the audio settings on your computer. - Ensure that the correct audio input/output devices are selected, particularly after plugging in the headphones. - Make sure that the headphones are set as the default playback device. 2. Review Recording Settings: - Access the Xbox Game Bar settings and review the audio settings used during the recording. - Check if there are any specific audio settings that may have been affected by the headphone...