1. A method of speech segmentation comprising processing speech data so as to detect pauses and characterised by forming speech block boundaries at a selected subset of the pauses, wherein said subset of said pauses is selected so as to approximate each speech block to a preselected target speech block length.
1. A method of speech segmentation comprising processing speech data so as to detect pauses and characterised by forming speech block boundaries at a selected subset of the pauses, wherein said subset of said pauses is selected so as to approximate each speech block to a preselected target speech block length. 9. A method according to claim 1 comprising searching for the lowest energy interval of predetermined size in a segment of speech data and treating that lowest energy interval as the most significant pause in the respective speech segment.