YouTube today announced several new features designed to improve the live streaming experience for both creators and viewers.

The most notable additions include the ability to play back a live chat after the live stream ends, and the launch of live automatic captions on videos.

YouTube began offering automatic captioning back in 2009, and has since added captions to a billion videos, the company says.

Live captioning a video in real-time is a bit more complicated, but advancements in speech recognition technology are making features like this possible.

(Similarly, a new startup launched an app called Otter today, that live transcribes meeting and conversations – also thanks to advancements in voice technologies.)

LASR-powered captions won’t be perfect but the error rates and latency are close to industry standards, YouTube claims.

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