Blogs authored by Henry Zhang

Product Manager, AI Agent

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Crafting a Natural-Sounding AI Voice

Go behind the scenes of Signal, Cresta’s AI concierge, and explore the technical foundations that power its conversational experience.

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Engineering
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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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Engineering
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AI Innovation
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Technology
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Cresta’s Three Strategic Pillars of AI Agent Defense for Enterprise Security and Compliance

AI agents can’t just be smart—they need to be safe. This post unpacks Cresta’s three-pillar guardrail framework, built to keep enterprise AI agents secure, compliant, and resilient from day one.

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Engineering
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