User blog comment:Pihou/I am Alive!/@comment-24464194-20140707011013/@comment-25007813-20140707181123

High-pitched for them is the same as it is  for everyone else, I guess like the Japanese. Miku is high-pitched, so a VOCALOID with a Miku-like pitch, is a good example. Rin, Lapis, Tianyi, etc. A vocal like that. :-)