Quote:
Originally Posted by Quoth
And the Kindle K3 and DXG and even the PW3 via USB Audio dongle aren't much better than 1991.
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The PW3 TTS is much better than the earlier TTS (which includes Kindle Touch): it uses Ivona, which Amazon acquired a little while before that (and had to add RAM to accommodate its voice data). I think it has been the same Ivona TTS engine ever since then, though only via BlueTooth in 8th and later generation Kindles.
I think any improvement to on device or Alexa TTS for Kindle books comes out of their bottom line to some extent. They don't make much money on Kindle or Fire or Echo devices, so not much incentive to improve.
Amazon Poppy service contributes to AWS profits and they have competition in this space (Microsoft, Google, Apple). So they will continue to improve that.