2. The system of claim 1 , wherein the search unit comprises a selector for selecting according to pre-defined criteria one text summary from the located text summaries, should more than one summary have been located.
1. A system for generating an audio-visual summary for audio-visual program content, said system comprising: a search unit for locating a pre-generated text summary associated with the program content but not provided with the program content; a speech synthesizer for converting the selected text summary into speech; a video summary generator for generating a video summary of the audio-visual program content; an audio/video mixer for mixing the synthesized speech with the video summary.