This book constitutes the refereed proceedings of the 21st International Conference on Text
Speech and Dialogue TSD 2018 held in Brno Czech Republic in September 2018. The 56 regular
papers were carefully reviewed and selected from numerous submissions. They focus on topics
such as corpora and language resources speech recognition tagging classification and parsing
of text and speech speech and spoken language generation semantic processing of text and
search integrating applications of text and speech processing machine translation automatic
dialogue systems multimodal techniques and modeling.