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NassimaOULDOUALI/README.md

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👋 Nassima OULD OUALI

Research Engineer in Speech @ Hi! PARIS / École Polytechnique

From published research to production-deployed AI — TTS · Prosody Control · Voice Conversion · Applied NLP

LinkedIn Email GitHub Google Scholar Hugging Face

🎯 Open to: ML/AI Engineer & Applied Research roles in speech, audio and NLP — France / Remote-friendly


⚡ In short

3 published papers (ICNLSP, JEP, EUSIPCO), open-source models on Hugging Face, and a production RAG assistant live in front of HEC Paris users — I don't just publish research, I ship it.


🚀 Featured projects

🧭 Compass — Agentic RAG Assistant (Production, HEC Paris)

Live, in-use application — not a prototype. Retrieval-augmented assistant combining document retrieval with an agentic LLM pipeline, deployed as a full web app on Azure, serving real HEC Paris users.

Impact: robust tool-calling orchestration + cost-efficient inference at production scale.

Live app (HEC login required) · Stack: RAG · LLM orchestration · vector retrieval · Flask · Azure deployment

🎧 Prosody-Control French TTS (SSML)

Controllable French speech synthesis with explicit SSML planning for pauses, timing, and emphasis — symbolic pause planning, break prediction, SSML generation, reproducible training/inference.

Repository · Demo · Paper — ICNLSP 2025 · HF: text2breaks · break2ssml

🧪 WavLM Vocoder for French

Waveform resynthesis from frozen WavLM representations: adversarial reconstruction (HiFi-GAN + MPD/MSD), learned weighted layer fusion over WavLM-Base+, chunked overlap-add inference, layer-ablation studies. Trained on 238h of cleaned French speech (SIWIS, M-AILABS, Common Voice).

Repository · Demo · HF Models · Paper — JEP 2026

🌍 CosyVoice2-EU — Multilingual Zero-Shot TTS

Component-level adaptation of CosyVoice2 for European languages (French & German): language-specific fine-tuning of the text encoder, flow-matching module, and vocoder, evaluated across seen/unseen speakers.

Repository · Demo · Paper under submission — EUSIPCO 2026

👁️ AIKON — Paleographic Analysis Module (École des Ponts / ENPC)

Computer-vision module for the aikon-demo platform making fine-grained, interpretable paleographic analysis accessible to historians without ML expertise: a new dataset object pairing text-line images with transcriptions, a training/inference API for morphological script-metrological analysis (following Vlachou-Efstathiou et al., ICDAR 2026), and an interactive front-end for character prototypes and diachronic evolution. Built with Mathieu Aubry's group.

Platform · Repository · Stack: Computer Vision · Python · PyTorch · web platform


🛠️ Tech stack

Python PyTorch Hugging Face CUDA Slurm Docker Azure Flask LaTeX

Specialties: DDP/AMP distributed training · GAN & flow-matching/diffusion generation · LoRA/PEFT fine-tuning · speech representation learning · RAG & LLM orchestration · reproducible evaluation pipelines


📊 GitHub Activity

Si ces widgets n'affichent rien (repos privés / peu de repos publics), envisage de les retirer plutôt que de laisser un encart vide — ça se voit.


📚 Publications

Venue Title Status
ICNLSP 2025 Improving French Synthetic Speech Quality via SSML Prosody Control Published — ACL Anthology
JEP 2026 WavLM-Vocoder-French: Neural Waveform Resynthesis from Frozen WavLM Representations Published — ISCA Archive
EUSIPCO 2026 Europeanizing Modular Zero-Shot TTS: A Component-Level Adaptation Framework for French and German Published — Eurasip.org

Released models: ssml-text2breaks-fr-lora · ssml-break2ssml-fr-lora Demos: WavLM2Audio · Prosody-Control TTS · CosyVoice2-EU


🎓 Education

Degree Institution
Master's degree Université Gustave Eiffel
Master's degree UVSQ (Versailles Saint-Quentin-en-Yvelines)
Bachelor's degree Université Paris Descartes

🤝 Let's talk

Open to research collaborations, industry partnerships, and new opportunities in controllable TTS, prosody modeling, French speech technology, multilingual voice conversion, and production-grade AI systems — especially where scientific rigor meets real deployment.

📩 Reach out via LinkedIn or email.

If you find a repository useful, a ⭐ helps visibility and supports continued maintenance.

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