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How to build smarter turn detection for Voice AI (speechmatics.com)
5 points by aaronng91 on May 14, 2025 | hide | past | favorite | 1 comment


Really great deep dive into a subtle yet impactful problem in voice AI. Turn detection is one of those things users only notice when goes wrong, and this shows a brilliant job showing how traditional VAD-based approaches fall short.

Loved the explanation of using instruction-tuned SLMs for <|im_end|> probability - elegant, efficient, and practical. The code examples very handy too!

This is one of those posts I’ll be coming back to when thinking about latency-sensitive voice interfaces with my own projects.




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