Real Time Speech To Text Under 200ms

A fast first transcript is different from a finished transcript. The Scribe v2 Realtime latency guide attributes roughly 150 milliseconds of model latency to provisional text, which can change as more speech arrives. Final text comes after the recognizer commits a segment. Audio capture, transmission, and deciding when the speaker has finished add their own delays.

This distinction changes how a voice interface should behave. It can display provisional words immediately while replacing them as recognition improves, then preserve committed segments. Waiting for a shorter silence can make replies begin sooner, but can also interrupt someone pausing mid-sentence. The guide's benchmarking advice follows from this: measure time to the first provisional text and the lag from the end of speech to the final text, on your own audio, rather than relying on one headline number.