2) CARLSON R. Evaluation and development of the KTH text-to-speech synthesis system on the segmental level. Speech Commun.. vol.9, p.271-277.
3) POLS L. C. W. quality assessment of text-to-speech synthesis by rule. Advances in Speech Signal Processing. Marcel Deckker Inc.. (1991) vol.Chap. 13, p.387-416.
4) KASUYA H. Relationships between syllable, word and sentence intelligibility of synthetic speech. Pro. Int. Conf. Spoken Language Processing. (1992) vol.2, p.1215-1218.
5) VOIERS W. D. Diagnostic acceptability measure for speech communication systems. Proc. ICASSP 77. (1977) vol.1, p.204-207.