Who is Giovanni Venuti

The engines Diffsinger and NNSVS has full support for AI Italian vocals, and the engine UTAU has support for non AI Italian vocals.
If you're looking for AI Italian, then Diffsinger sounds a good deal better than NNSVS. The best Italian supporting vocal on Diffsinger that I know of would likely be the vocal Tiger. You can download him here.
Italian is one of the less popular languages in vocal synthesis, but there are many Spanish vocals that should contain most of the necessary phonetics. Synthesizer V Pro has Spanish support if interested, but only one company has recorded dedicated data for it, Eclipsed Sounds, and it isn't any vocal's main language.

Giovanni Venuti said:

Hi,
I am a retired man of almost 70 years and music is my hobby. Last December I stumbled upon the Synthesizer V Studio Pro software and am now trying to figure out how these things work.
I'm trying to understand what can be done with Artificial Intelligence and since I have found that there are no voices that sing in Italian, my goal is to be able to create one or more of them.
On this forum I found some new and well-made tutorials and I'm trying to improve the little that I've tried to understand in these months.
There is a lot to learn and it takes a lot of patience and perseverance to do things, but these are qualities that have somehow always distinguished me up to now.
I hope to find someone with more experience who is willing to give me some tips to learn more quickly what is necessary to make progress and get results.

Kind Regards, Gianni
(a short version of Giovanni)

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Welcome to the community! It's always very nice to see more mature individuals interested in our community!

While Italian isn't the most common language for Vocal Synths, there still are a decent amount for UTAU and DiffSinger - you just have to know where to look. At the top of my head, a lot of the more recently-developed DiffSingers made in the West have extensive multilingual support, which usually includes Italian. I'd recommend looking into UTAU France, or LUNAI Project for such vocals, as most of them officially support Italian, among other languages. If you're looking specifically for native Italian speakers however, I don't know of any native Italian DiffSingers at the top of my head, but I do know that Gianloop, a developer who is a native Italian speaker, had an open-source Italian database that a lot of models use for Cross-Lingual Synthesis support for Italian. I don't know if it's actually been trained as its own singer, but it shouldn't be too difficult to train it. I believe it's currently private, and you have to ask them for it, but to my knowledge, they do still give it out if asked.

As for UTAU, there are a number of Italian UTAU to look at. At the top of my head:
- I know Kurobousuku ( a popular male Japanese vocal ) has an Italian voicebank.
- Kuro Watanabe I believe is a native Italian UTAU with an Italian voicebank.
- Makku is a relatively popular Italian UTAU made by the aforementioned Gianloop. He's a discontinued UTAU, but his Italian voicebank can still be downloaded from his website.
- Kara Kokone is an American UTAU with 2 Spanish-Italian bilingual voicebanks.
- I've heard Doctor Vertigo has an Italian voicebank, I don't know much about it beyond that though.

That's all I can think of anyways, though I'm sure there's plenty more that can be found with some internet sleuthing. There are also a number of general "Multilingual" UTAU which inadvertently support Italian ( immediately, Sylveranty's German-native UTAU "Onyx" comes to mind ).

I've been developing voices for UTAU ( and more recently DiffSinger ) for close to 15 years, so if you have any questions or want any advice, please feel free to reach out! I mostly specialize in English voicebanks myself, but have worked with Italian before as well, and have at least a decent basic understanding of its phonology. If you want any help making your own voicebanks, feel free to get in touch!