And then you can use voice to text to text her back, and she can hear it in your voice! It's just like a phone call from 30 years ago, but one that requires infinitely more processing power!
It's worth noting this is already how iPhones work and people already love it. What I'm suggesting additionally is substituting Siri's voice for a DIFFERENT customized synthetic voice in a very specific circumstance. I'm not advocating for using synthetic voices where there currently aren't any here.
There are folks who couldn’t, for a variety of reasons, do that thirty years ago. This feature is for them. The rest of us get to e.g. more naturally text a response to a call we’re listening into on a flight.
Voice memos? No. I would have to, at some point, speak it. If you’re referring to text-to-speech, there is a difference between having your speech read in a different voice and your own.
Disagree that it's the same at all. Sending discrete messages at your leisure is quite a different experience than a real-time conversation.
See it as data compression on the wire.
And latency!