This study examined the impact of Clear Pronunciation 2 software on teaching English suprasegmental features, focusing on stress, rhythm and intonation. In particular, the software covers five topics in relation to suprasegmental features including consonant cluster, word stress, connected speech, sentence stress and intonation. Seven Iranian EFL learners participated in this study. The study lasted for six weeks and both the teacher and the software were involved in teaching suprasegmental features. To measure the learners’ pronunciation and their degree of progress for both pre-test and post-test, the software itself was used. The software has the ability to generate report and score on learners’ performance at the end of any activity. So, the analysis of learners’ performance was based on the software reports on their performance. The results of the study showed that the learners had a significant level of progress in all aspects of suprasegmental features. They learned suprasegmental features effectively and the exercises of the software were helpful for them. The results provide empirical evidences on the value of using Clear Pronunciation 2 software for teaching English pronunciation. This software yield promising results for the field of language teaching and can provide inspiring results in future
