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Re:Fifty percent of Facebook Messenger’s total voice traffic... by londons_explore on Friday November 12, 2021 @08:29AM (#29199056)
I'm really surprised that no chat apps seem to auto-transcribe voice messages.

It would seem obvious for the transcription and the sound file to be available to both sender and receiver of the message.

I think so far the sticking point is that message transcription is still hard to do with any accuracy on-device, and if you use a server then you can't claim e2e encryption.

Re:Fifty percent of Facebook Messenger’s total voice traffic... by jhugo on Friday November 12, 2021 @11:05AM (#29200704)
WeChat has been doing it for quite a while, and does a great job. Almost certainly server-side and obviously very far from E2EE though :)