Language Tools: Watson Text-to-Speech and Translation
Added 2021-01-23 11:47:25 +0000 UTCA new service has been added to Language Tools: IBM Watson. It provides translation in 54 languages, and also 54 audio voices. Some of the higher quality voices are marked as Dnn (deep neural network).
Among audio languages supported are: English, German, Spanish (with various regions), French, Japanese, Italian.
You don't need to install any updates as this is a server-side change. The new voices should appear in the voice selection screen.