Fuzzy and knowledge-based control for speech synthesis. - Florin Grigoras; Horia-Nicolai Teodorescu; Lakhmi C. Jain; Vasile Apopei (ECC, 1999)

Improved Speech Synthesis Using Fuzzy Methods. - Doina Jitca; Horia-Nicolai L. Teodorescu; Vasile Apopei; Florin Grigoras (Int. J. Speech Technol., 2002)

Electronic Linguistic Atlases. - Vasile Apopei; Florin Rotaru; Silviu Ioan Bejinariu; Florin-Teodor Olariu (IKE, 2003)

Intonational Structures in Romanian Yes-No Questions. - Vasile Apopei; Doina Jitca; Adrian Turculet (Comput. Sci. J. Moldova, 2006)

The F0 contour modelling as functional accentual unit sequences. - Doina Jitca; Vasile Apopei; Magdalena Jitca (Int. J. Speech Technol., 2009)

An intonation prediction module for Romanian TTS system, as a prosodic tree generator. - Doina Jitca; Vasile Apopei (SpeD, 2011)

A Macro-Prosodic Indications for a Romanian TtS System Based on the Functional Intonational Model. - Vasile Apopei; Doina Jitca; Otilia Paduraru (EST, 2012)

Aspects of a Romanian syntactic-prosodic interface for an intonation prediction module. - Doina Jitca; Vasile Apopei; Otilia Paduraru (SpeD, 2013)

Detection dangerous events in environmental sounds - a preliminary evaluation. - Vasile Apopei (SpeD, 2015)

Towards prosodic phrasing of spontaneous and reading speech for Romanian corpora. - Vasile Apopei; Otilia Paduraru (SpeD, 2015)

Information Technology and Geolinguistics. - Silviu Ioan Bejinariu; Vasile Apopei; Manuela Nevaci; Florin-Teodor Olariu; Nicolae Saramandu (SpeD, 2023)

Some Properties of Zipf's Law and Applications. - Speranta Cecilia Bolea; Mironela Pirnau; Silviu Ioan Bejinariu; Vasile Apopei; Daniela Gifu; Horia-Nicolai Teodorescu (Axioms, 2024)