Prof. Dr.-Ing. Jörn Ostermann

Overall direction of the Leibniz Lab for Relational Communication Research

• TALC: Tool for Analyzing Language and Communication

• Hear Africa!: Bildungsteilhabe von hörbeeinträchtigten Kindern in Afrika

Graduate Supervision (Master Theses)

• Schmidt, J.-F. (2019). Optimizing speech recognition for child language in researching language development.

• Ehlert, H., Beaulac, E., Wallbaum, M., Gebauer, C., Rumberg, L., Ostermann, J., Lüdtke, U. (2023). Collecting and Annotating Natural Child Speech Data - Challenges and Interdisciplinary Perspectives. Proceedings of the ESSV
• Lüdtke, U., Bornman, J., de Wet, F., Heid, U., Ostermann, J., Rumberg, L., van der Linde, J., & Ehlert, H. (2023). Multi-disciplinary perspectives on automatic analysis of children's language samples: Where do we go from here? Folia Phoniatrica et Logopaedica. 75(1), 1-12.  
• Rumberg, L., Gebauer, C., Ehlert, H., Lüdtke, U. & Ostermann, J. (2022). Improving Phonetic Transcriptions of Children’s Speech by Pronunciation Modelling with Constrained CTC-Decoding. Proceedings INTERSPEECH -- 23th Annual Conference of the International Speech Communication Association, 1357-1361.
• Rumberg, L., Gebauer, C., Ehlert, H., Wallbaum, M., Bornholt, L., Ostermann, J. & Lüdtke, U. (2022). kidsTALC: A Corpus of 3- to 11-year-old German Children’s Connected Natural Speech. Proceedings INTERSPEECH -- 23th Annual Conference of the International Speech Communication Association, 5160-5164.
• Rumberg, L., Ehlert, H., Lüdtke, U. & Ostermann, J. (2021). Age-Invariant Training for End-to-End Child Speech Recognition using Adversarial Multi-Task Learning. Proceedings INTERSPEECH -- 22th Annual Conference of the International Speech Communication Association, 3850-3854.

Academic Qualifications

Working Experience

Leibniz Lab Research interests

Machine learning, 3D Modeling, Face Animation, Computer-human Interfaces