3. The processing system according to claim 1 , wherein, when the annotation is being coded into the real-time transmission of the presentation, the encoder utilizes the second copy of the raw images as annotated raw images.
3. The processing system according to claim 1 , wherein, when the annotation is being coded into the real-time transmission of the presentation, the encoder utilizes the second copy of the raw images as annotated raw images. 7. The processing system according to claim 3 , wherein the real-time transmission of the presentation has a transmission video format that remains the same after the annotation is coded into the real-time transmission.