[viraptor]

Google provides close captioning for meet calls. That means it's not E2E. Also pretty much no service can provide multi-party video call with adaptive quality without completely destroying your bandwidth.

[relaunched]

I'm interested in knowing more about why closed captions would imply not end-to-end encrypted. Wouldn't it be possible to build a model and distribute the model with the client-side application, and run it at the edge?

[krageon]

If they did that, everyone would have the model (meaning you would see closed captions in a lot more places, because it would absolutely be stolen).

[munkiefish]

Google translate and Google Gboard offer offline voice to text transcription... So it would seem the model is indeed on your device, and Google says as such - http://ai.googleblog.com/2019/03/an-all-neural-on-device-spe...

[JetSpiegel]

On the ARM TrustZone, maybe? Or whatever co-processor run Widevine.