Is this mozart operas really produced with Synth V? Is there a German soprano voice bank available?

The uploader claimed the vocal in this video to be produced with Synth V:

https://www.bilibili.com/video/BV1rT4y1N7Yf?from=search&seid=5794124455444534661

This is too real I find it hard to believe.

I know Synth V is good. But this is impeccable.

「いいね!」 2

I think it’s real. Here are several covers of Spanish, Russian, Korean and Hindi made by the same author.
imageimage

Another example of using Chinese voice bank to perform German.
https://www.bilibili.com/video/av68379779

「いいね!」 1

yeah. but other covers you can more or less tell it’s a synth. this one is unbelievable.

「いいね!」 1