South Korean researchers say they’ve built a wearable neckband that converts silent mouth movements into intelligible speech using the user’s own voice. Because it doesn’t rely on audible input, it could help communication in extremely noisy settings and support medical use cases. The technology is early-stage, but the approach could redefine how we “speak” without speaking.
AI voice startup Vapi has reached a $500M valuation after Amazon Ring selected its platform over 40 rivals. The company says enterprise demand has surged, with its business growing tenfold since early 2025 as firms move customer support and sales calls to AI agents. The win signals accelerating adoption of voice automation in enterprise workflows.
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