Organization Information

Coverage

Description

Communication platform serving 300+ companies across Africa. Provides messaging (SMS, WhatsApp Business API, Voice), USSD, and AI-powered Text-to-Speech and Speech-to-Text services in African languages. Data science team works on NLU/NLG, speech synthesis, ASR, and LLM-based solutions for local languages.

Key People

• Abdou Aziz DIOP - Data Science Lead
  ML/NLP research engineer. Focus on ASR, MT, and conversational AI for African languages. Masakhane member. MSc Mathematics (cryptography). LinkedIn: https://www.linkedin.com/in/abdouaziiz Website: https://abdouaziz.github.io/
• Mansour SOW - Data Scientist
  LinkedIn: https://www.linkedin.com/in/mansour-sow-163091198/

Projects

• Wolof ASR Dataset: Wolof speech recognition dataset. 765 downloads.
  Wolof
• Wolof ASR Models: wav2vec2-based ASR for Wolof with language model.
  Wolof
• Wolof LLM (Llama): Llama 7B fine-tuned for Wolof using PEFT.
  Wolof
• French-Wolof Speech Translation: Speech-to-speech translation dataset French-Wolof.
  Woloffra
• Fulfulde ASR: wav2vec2-based ASR for Fula with KenLM. 0.3B params.
  Fula
• Hausa ASR: wav2vec2-based ASR for Hausa with KenLM.
  Hausa
• Ewe ASR: wav2vec2-based ASR for Ewe. 0.3B params.
  Ewe
• Fulfulde TTS: Text-to-speech synthesis for Fulfulde.
  Fula