@uncreepy has explained most things. You can change your system locale to Japanese to use Voiceroid EX.
But even if you are using Voiceroid 2 with Kiritan EX imported, if you don't set your system locale to Japanese, you still cannot use the voice in V2. My locale patch can help you in...
Just tried this. Works well as a free, open-source tool. Process a 4 min song in 20s with 6GB memory used (CPU mode).
In most cases the result is still a bit worse than some commercial tool's output. But it can still be improved if someone would train a better model.
Yeah, breathing is not a strong point for CeVIO, so if you need some realistic breath sounds you have to use some recorded clips.
The breathing is also a "pronunciation" in CeVIO, however they didn't make it editable like other pronunciations. You can only add breath behind a note. If you really...
My CeVIO song voicebank rank based only on voice quality:
ONE > Sasara > Airi > Minato (the only fully acceptable choice for male voice) > IA English > Yoko (not available for common users) > Kasumi > others
ONE is the best voice in CeVIO family, with the widest vocal range and the highest...
Nope... It shouldn't cause a problem if you never activated.
Anyway, you can try this tool (link from CeVIO official sites):
It will delete all license info on your PC. If all things go well, the trial window will show up.
You might have installed/activated the old (trial) versions before and the old license files are not cleaned. Therefore the app just read those files and you won't get a chance to activate trial again.