Systems
Engineer, TietoEvry
Year: 2025
EVA, Digital Human
An emotional virtual assistant: a multimodal persona that combines NLP sentiment analysis, real-time computer vision, real-time speech synthesis and generative AI. It won 1st prize at TietoEvry TechUtsav 2025.
Stack
Python, PyTorch, Azure OpenAI, LangChain, Pipecat, Computer vision
Problem
EVA combines language, sentiment, vision and speech in one persona.
Interface
Architecture
What I built
- NLP sentiment analysis on what the user says.
- Real-time computer vision with object detection.
- Real-time speech synthesis for spoken answers, with Pipecat in the pipeline.
- Generative AI through Azure OpenAI and LangChain behind the persona.
Proof
- 1st prize, TietoEvry TechUtsav 2025
Stack
- Python
- PyTorch
- Azure OpenAI
- LangChain
- Pipecat
- Computer vision
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