On the Influence of Modifying Magnitude and Phase Spectrum to Enhance Noisy Speech Signals. - Hans-Günter Hirsch; Michael Gref (INTERSPEECH, 2017)

Improving Robust Speech Recognition for German Oral History Interviews Using Multi-Condition Training. - Michael Gref; Christoph Schmidt 001; Joachim Köhler (ITG Symposium on Speech Communication, 2018)

Keyword Detection for the Activation of Speech Assistants. - Hans-Günter Hirsch; Michael Gref (ITG Symposium on Speech Communication, 2018)

Improved Transcription and Indexing of Oral History Interviews for Digital Humanities Research. - Michael Gref; Joachim Köhler; Almut Leh (LREC, 2018)

Two-Staged Acoustic Modeling Adaption for Robust Speech Recognition by the Example of German Oral History Interviews. - Michael Gref; Christoph Schmidt 001; Sven Behnke; Joachim Köhler (ICME, 2019)

Using Automatic Speech Recognition in Spoken Corpus Curation. - Jan Gorisch; Michael Gref; Thomas Schmidt 002 (LREC, 2020)

Multi-Staged Cross-Lingual Acoustic Model Adaption for Robust Speech Recognition in Real-World Applications - A Case Study on German Oral History Interviews. - Michael Gref; Oliver Walter; Christoph Schmidt 001; Sven Behnke; Joachim Köhler (LREC, 2020)

A Comparative Pronunciation Mapping Approach using G2P Conversion for Anglicisms in German Speech Recognition. - Julia Pritzen; Michael Gref; Christoph Schmidt 001; Dietlind Zühlke (ITG Conference on Speech Communication, 2021)

Bilingual I-Vector Extractor for DNN Hybrid Acoustic Model Training in German Speech Recognition Systems. - Yao Wang; Michael Gref; Oliver Walter; Christoph Schmidt 001 (ITG Conference on Speech Communication, 2021)

A Study on the Ambiguity in Human Annotation of German Oral History Interviews for Perceived Emotion Recognition and Sentiment Analysis. - Michael Gref; Nike Matthiesen; Sreenivasa Hikkal Venugopala; Shalaka Satheesh; Aswinkumar Vijayananth; Duc Bach Ha; Sven Behnke; Joachim Köhler (LREC, 2022)

Multitask Learning for Grapheme-to-Phoneme Conversion of Anglicisms in German Speech Recognition. - Julia Pritzen; Michael Gref; Dietlind Zühlke; Christoph Andreas Schmidt (LREC, 2022)

Human and Automatic Speech Recognition Performance on German Oral History Interviews. - Michael Gref; Nike Matthiesen; Christoph Schmidt 001; Sven Behnke; Joachim Köhler (CoRR, 2022)

Robust Speech Recognition via Adaptation for German Oral History Interviews. - Michael Gref (2022)

Performance of Large Language Models in a Computer Science Degree Program. - Tim Krüger; Michael Gref (ECAI Workshops (2), 2023)

A Multimodal, Multilabel Approach to Recognize Emotions in Oral History Interviews. - Anargh Viswanath; Michael Gref; Teena Hassan; Christoph Schmidt 001 (ACII, 2024)