Show HN: I built a sub-500ms latency voice agent from scratch

Re:Show HN: I built a sub-500ms latency voice agent from scr... by miki_oomiri on Tuesday March 03, 2026 @02:49AM (#47229444)

When I speak to an agent, siri, or whatnot, I am always worried that they will assume I'm done talking when I'm thinking. Sometimes I need a many-seconds pause. Even maybe a minute… For Sire and such, I want to ask something simple "Hey Siri, remind me to call dad tomorrow". Easy. But for Claude and such, I want to go on a long monolog (20s, a minute, multi-minutes).

To me, be the best solution would be semantic + keyword + silence.

Hey Agent, blablablabla, thank you.

Hey Agent, blablablabla, please.

Hey Agent, blablablabla, oops cancel.

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Re:Show HN: I built a sub-500ms latency voice agent from scr... by iso1631 on Tuesday March 03, 2026 @03:03AM (#47229548)

And suddenly your address book has changed the name from "Dad" to "Tomorow"

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Re:Show HN: I built a sub-500ms latency voice agent from scr... by layer8 on Tuesday March 03, 2026 @04:35AM (#47230210)

Never skip an opportunity for a dad joke.

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Re:Show HN: I built a sub-500ms latency voice agent from scr... by tmstieff on Tuesday March 03, 2026 @05:01AM (#47230376)

I have the same issue. It gives this very weird minor sense of public speaking anxiety where I almost feel the need to write down what I'm about to say, which negates the whole purpose. Only solution I've found is using push-to-talk with some of the system wide STS applications.

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