1. Apparatus for automatic dissection of segmented audio signals, the apparatus comprising: content detection means for detecting programmes and contents belonging to the respective programmes in the segmented audio signal; programme weighting means for weighting each programme comprised in the audio signal based on the contents of the respective programme detected by the content detection means; and programme ranking means for identifying programmes of the same category and ranking said programmes based on a weighting result for each programme provided by the programme weighting means.