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Fact · Speech recognition

1millisecond

The Silero VAD project says one audio chunk of 30 ms or more takes less than 1 millisecond to process on a single CPU thread.

Checked against its source on October 16, 2026

In the source's own words

“One audio chunk (30+ ms) takes less than 1ms to be processed on a single CPU thread.”

Silero VAD (GitHub repository), Silero Team, GitHub (snakers4/silero-vad), 2026, README.

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What it measures
A voice activity detector decides which stretches of audio contain speech so a recognizer can skip silence.
What it does not show
The authors' own figure, hardware-dependent.

Source

Cited on

Silero VAD processes a 30 ms chunk in under 1 millisecond on one CPU thread | Yap