Neural Arabic Question Answering. - Hussein Mozannar; Elie Maamary; Karl El Hajal; Hazem M. Hajj (WANLP@ACL 2019, 2019)

BYOL-S: Learning Self-supervised Speech Representations by Bootstrapping. - Gasser Elbanna; Neil Scheidwasser-Clow; Mikolaj Kegler; Pierre Beckmann; Karl El Hajal; Milos Cernak (HEAR@NeurIPS, 2021)

MOSRA: Joint Mean Opinion Score and Room Acoustics Speech Quality Assessment. - Karl El Hajal; Milos Cernak; Pablo Mainar (INTERSPEECH, 2022)

Efficient Speech Quality Assessment Using Self-Supervised Framewise Embeddings. - Karl El Hajal; Zihan Wu 009; Neil Scheidwasser-Clow; Gasser Elbanna; Milos Cernak (ICASSP, 2023)

Personalized Task Load Prediction in Speech Communication. - Robert P. Spang; Karl El Hajal; Sebastian Möller 001; Milos Cernak (ICASSP, 2023)

Speaker Embeddings as Individuality Proxy for Voice Stress Detection. - Zihan Wu 009; Neil Scheidwasser-Clow; Karl El Hajal; Milos Cernak (INTERSPEECH, 2023)

SSL-TTS: Leveraging Self-Supervised Embeddings and kNN Retrieval for Zero-Shot Multi-speaker TTS. - Karl El Hajal; Ajinkya Kulkarni; Enno Hermann; Mathew Magimai-Doss (CoRR, 2024)

Unsupervised Rhythm and Voice Conversion of Dysarthric to Healthy Speech for ASR. - Karl El Hajal; Enno Hermann; Ajinkya Kulkarni; Mathew Magimai-Doss (ICASSP Workshops, 2025)

kNN Retrieval for Simple and Effective Zero-Shot Multi-speaker Text-to-Speech. - Karl El Hajal; Ajinkya Kulkarni; Enno Hermann; Mathew Magimai-Doss (NAACL (Short Papers), 2025)

Unsupervised Rhythm and Voice Conversion to Improve ASR on Dysarthric Speech. - Karl El Hajal; Enno Hermann; Sevada Hovsepyan; Mathew Magimai-Doss (CoRR, 2025)