Hagyeong Shin

NLP Specialist

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Evaluating AI Voices – What Does It Mean to Sound “Good”?

"Your AI Agent doesn't sound good"—this critique is perhaps the deepest dread for anyone building a voice agent.

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When Every Word Matters: Engineering Real-Time Multilingual Intelligence for Human Conversations

This technical deep dive unpacks the architectural decisions, latency optimizations, and model evaluation frameworks behind our Real-Time Translator (RTT)—showing how language detection, transcription, translation, and speech synthesis work together to enable seamless global communication.

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How We Built a State-of-the-Art Research Agent for Call Center Conversation Analytics

Take a deep dive into how we built Cresta AI Analyst, and all of the lessons learned along the way.

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AI Innovation
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Grounding Reality – How Cresta Tackles LLM Hallucinations in Enterprise AI

Discover the six core pillars behind Cresta’s ground-breaking approach to building AI systems that minimize hallucinations by design, not by chance.

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