publications

2026

1. Interspeech

   Probing Low Frame Rate Degradation in Neural Audio Codecs

   Alex Gichamba and Moise Busogi

   In Interspeech, 2026

   arXiv Bib

   @inproceedings{gichamba2026codec,
     author = {Gichamba, Alex and Busogi, Moise},
     title = {Probing Low Frame Rate Degradation in Neural Audio Codecs},
     booktitle = {Interspeech},
     publisher = {ISCA},
     year = {2026},
   }

2025

1. IJCNLP-AACL

   AfriSpeech-MultiBench: A Verticalized Multidomain Multicountry Benchmark Suite for African Accented English ASR

   Gabrial Zencha Ashungafac, Mardhiyah Sanni, Busayo Awobade, and 2 more authors

   In IJCNLP-AACL, 2025

   DOI arXiv Bib

   @inproceedings{ashungafac2025afrispeech,
     author = {Ashungafac, Gabrial Zencha and Sanni, Mardhiyah and Awobade, Busayo and Gichamba, Alex and Olatunji, Tobi},
     title = {AfriSpeech-MultiBench: A Verticalized Multidomain Multicountry Benchmark Suite for African Accented English ASR},
     booktitle = {IJCNLP-AACL},
     pages = {3642--3653},
     publisher = {The Asian Federation of Natural Language Processing and The Association for Computational Linguistics},
     year = {2025},
     url = {https://doi.org/10.18653/v1/2025.ijcnlp-long.190},
     doi = {10.18653/V1/2025.IJCNLP-LONG.190},
   }

2024

1. GLOBECOM WKSHP

   ColBERT Retrieval and Ensemble Response Scoring for Language Model Question Answering

   Alex Gichamba, Tewodros Kederalah Idris, Brian Ebiyau, and 2 more authors

   In IEEE GLOBECOM Workshops, 2024

   DOI arXiv Bib

   @inproceedings{gichamba2024colbert,
     author = {Gichamba, Alex and Idris, Tewodros Kederalah and Ebiyau, Brian and Nyberg, Eric and Mitamura, Teruko},
     title = {ColBERT Retrieval and Ensemble Response Scoring for Language Model Question Answering},
     booktitle = {IEEE GLOBECOM Workshops},
     pages = {1--7},
     publisher = {IEEE},
     year = {2024},
     url = {https://doi.org/10.1109/GCWkshp64532.2024.11100297},
     doi = {10.1109/GCWKSHP64532.2024.11100297},
   }

2. Interspeech

   ESPnet-SPK: Full Pipeline Speaker Embedding Toolkit with Reproducible Recipes, Self-Supervised Front-Ends, and Off-the-Shelf Models

   Jee-weon Jung, Wangyou Zhang, Jiatong Shi, and 6 more authors

   In Interspeech, 2024

   DOI Bib

   @inproceedings{jung2024espnetspk,
     author = {Jung, Jee-weon and Zhang, Wangyou and Shi, Jiatong and Aldeneh, Zakaria and Higuchi, Takuya and Gichamba, Alex and Theobald, Barry-John and Hussen Abdelaziz, Ahmed and Watanabe, Shinji},
     title = {ESPnet-SPK: Full Pipeline Speaker Embedding Toolkit with Reproducible Recipes, Self-Supervised Front-Ends, and Off-the-Shelf Models},
     booktitle = {Interspeech},
     publisher = {ISCA},
     year = {2024},
     url = {https://doi.org/10.21437/Interspeech.2024-1345},
     doi = {10.21437/INTERSPEECH.2024-1345}
   }