A method and system for performing full-scene anti-aliasing for an image through a technique of rotating and unrotating rasterization of a scene and rendering a resulting image. The recording of the television channel may include a plurality of television programs. In response to the update and prediction processes on a picture being based on N reference pictures where N is greater than one, the update process is split into N update processes using a single picture as a reference. A sound source location module is also disclosed that includes a modified steered power response sound source location method.