1. Audio data segmentation apparatus for segmenting audio data comprising: audio data input means for supplying audio data; audio data clipping means for dividing the audio data supplied by the audio data input means into audio clips of a predetermined length; class discrimination means for discriminating the audio clips supplied by the audio data clipping means into predetermined audio classes, the audio classes identifying a kind of audio data included in the respective audio clip; and segmenting means for segmenting the audio data into audio meta patterns based on a sequence of audio classes of consecutive audio clips, each meta pattern being allocated to a predetermined type of contents of the audio data; characterised in that the audio data segmentation apparatus further comprises: a programme database comprising programme data units to identify a certain kind of programme, a plurality of respective audio meta patterns being allocated to each programme data unit; wherein the segmenting means segments the audio data into corresponding audio meta patterns on the basis of the programme data units of the programme database.