Keywords:discourse segments, prosody, stress groups, phrase stress
This article aims to show the consistent alignment between an automatic segmentation of speech in stress groups and the delimitation of discourse segments according to Grosz and Sidner model (1986). The comparison between the manual segmentation of spontaneous speech in discourse segments that carry specific purposes and the automatic segmentation of stress groups shows a persistent concentration of a specific number of stress groups in each discourse segment. Based on the previous findings (Lucente, 2012) this article compares a manual delimitation of discourse segments and an automatic delimitation of the same discourse segments according to the correlation between the number of stress groups in each discourse segment. The results point to a robust coincidence between the two segmentations.