The present disclosure includes methods and apparatus for analyzing audio and video. One claim recites: a method including at a network access point, and using a programmed electronic processor, analyzing data representing audio or video to extract identifying information therefrom, the analyzing operates on data representing audible portions of the audio or operates on data representing picture elements of the video; using the identifying information, determining whether to allow the audio or video to be communicated through the network access point; and providing details associated with said act of determining. Of course, other combinations are provided and claimed as well.