1. A method comprising: selecting signal data from input frames based on criteria; and based on said signal data, locating text in at least one of said input frames, wherein said locating comprises one or both of: determining a number of consecutive frames of said input frames having text in one or more corresponding pixel positions and comparing said number of consecutive frames to a consecutive frame threshold value; or determining, in an individual frame, a number of pixels that contain text and comparing said number of pixels to an individual frame threshold value.