3. The apparatus according to claim 1 , wherein the instructions are executable to synchronize the sign language video content to the main program content by use of the same time codes in the main program content and the sign language video content.
1. An apparatus comprising: at least one video receiver device configured to receive data representing audio/video (A/V) content as a part of main program content having a first packet identifier (PID) and to receive sign language video content data representing a sign language interpretation of the audio content having a second PID; the video receiver device including at least one computer memory comprising instructions executable by at least one processor to: receive user input for enabling or disabling a display of the sign language video content; present at least one picture-in-picture (PIP) window presenting the main program content with the sign language video content; down-scale an input signal to a size of the PIP window; responsive to receiving user input enabling display of the sign language video in the PIP window, disable down-scaling of the input signal to a size of the PIP window and enable presenting the PIP window; and responsive to receiving user input disabling display of the PIP window, disable the PIP window and enable down-scaling of the input signal, the PIP window having a location, the instructions executable to: determine whether the location is a last location in a sequence of locations; responsive to determining the location is the last location, stop presenting the PIP window; and responsive to determining the location is not the last location, move the window to a next location in the sequence of locations.