Journal papers and  proceedings 


Ibrahim, Omnia; Skantze, Gabriel (2021) Revisiting robot directed speech effects in spontaneous H-H-R interactions, conference on Human Perspectives on Spoken Human-Machine Interaction, Frankfurt (Virtually) on November 15 - 17 2021

Ibrahim, Omnia; Yuen, Ivan; van Os, Marjolein; Andreeva, Bistra; Möbius, Bernd (2021) The effect of Lombard speech modifications in different information density contexts ,32nd conference on electronic speech signal processing (ESSV2021), Berlin virtually) Germany. 


Al-Radhi, Mohamed; Abdo, Omnia; Csapo, Tamas; Abdou, Sherif; Nemeth, Geza; Fashal, Mervat  (2020).A continuous vocoder for statistical parametric speech synthesis and its evaluation using an audio-visual phonetically annotated Arabic corpus. Computer Speech & Language. DOI: 10.1016/j.csl.2019.101025

Ibrahim , Omnia;  Asadi, Homa; Kassem, Eman; Dellwo, Volker , (2020), Arabic Speech Rhythm Corpus: Read and Spontaneous Speaking Styles, Proceedings of The 12th Language Resources and Evaluation Conference, France


Ibrahim, Omnia; Skantze, Gabriel; Stoll, Sabine;  Dellwo, Volker (2019) Fundamental Frequency Accommodation in Multi-Party Human-Robot Game Interactions: The Effect of Winning or Losing. Proc. Interspeech 2019, 3980-3984, DOI: 10.21437/Interspeech.2019-2496.


Abdo, Omnia;  Abdou, Sherif;  Fashal, Mervat (2017) Building Audio-Visual Phonetically Annotated Arabic Corpus for Expressive Text to Speech. Proc. Interspeech 2017, 3767-3771, DOI: 10.21437/Interspeech.2017-1357.

Conference contribution (peer reviewed)


Ibrahim, Omnia; Yuen, Ivan; van Os, Marjolein; Andreeva, Bistra; Möbius, Bernd (2021). The influence of Lombard speech enhancement on syllables with different information density contexts. The 46th Austrian Linguistics Conference: Phonetics is (almost) everything (ÖLT2021) in Vienna (Virtually) on December 9-12, 2021

Ibrahim, Omnia (2021) Vocal accommodation in spontaneous Dutch conversations, 3rd International Workshop on Vocal interactivity in-and-between Humans, Animals and Robots (VIHAR 2021) , Paris, France(Virtually) on October 13 and 15, 2021 (accepted)

Ibrahim, Omnia; Yuen, Ivan; van Os, Marjolein; Andreeva, Bistra; Möbius, Bernd (2021). Investigating speech clarity as a function of context predictability and Lombard effects : From speech production to perception. 17 Phonetics & Phonology conference (P&P2021) in Frankfurt (Virtually) on September 29th and 30th, 2021

Pesantez, Alejandra; Ibrahim, Omnia (2021) Speech Intelligibility Improvement using Different L1 Listeners Judgment: A Longitudinal Study of Ecuadorian Learners of English, 3rd International Symposium on Applied Phonetics (ISAPh2021), Tarragona, Spain, September 6-8, 2021

Ibrahim, Omnia; Hübscher, Iris; Pellegrino, Elisa (2021).Vocal accommodation in apology-centred interactions: the role of socio-pragmatic factors, 17th International Pragmatics Conference (IPrA), Winterthur (virtually) Switzerland.

Ibrahim, Omnia; Skantze, Gabriel; Dellwo, Volker (2021). How does interacting with humans and machines shape speech production? Alternating between robot & human directed speech during the same conversation, 4th Phonetics and Phonology in Europe conference (PaPE2021), Barcelona (virtually) Spain.

Andreeva, Bistra; Möbius, Bernd; Ibrahim, Omnia; Yuen, Ivan (2021). The effect of predictability on the duration of phrase-final syllables. Workshop "Prosodic boundary phenomena" at the 43rd annual meeting of the DGfS, Freiburg (virtually) Germany


Ibrahim, Omnia; Hübscher, Iris; Pellegrino, Elisa (2020). Vocal accommodation strategies in conflicting situations: The effect of interpersonal power relationship, Symposium on Multimodal Im/politeness: Gesture, Sign and Spatial Configurations. Zürich (virtually) Switzerland.


Ibrahim, Omnia; Stoll, Sabine; Dellwo, Volker (2018) . Developmental aspects of accommodation in Chintang. Workshop on Accommodation in Speech Communication, Zürich Switzerland