Hatsune Miku
, sometimes referred to as Miku Hatsune, is the name of a Vocaloid software voicebank developed by Crypton Future Media and its official moe anthropomorph, a 16-year-old girl with long, turquoise twintails. She uses Yamaha Corporation's Vocaloid 2, Vocaloid 3, and Vocaloid 4 singing synthesizing technologies. She also uses Crypton Future Media's Piapro Studio, a singing synthesizer VSTi Plugin. She was the second Vocaloid sold using the Vocaloid 2 engine and the first Japanese Vocaloid to use the Japanese version of the Vocaloid 2 engine. Her voice is modeled from Japanese voice actress Saki Fujita. Miku's personification has been marketed as a virtual idol and has performed at concerts onstage as an animated projection (rear cast projection on a specially coated glass screen).
Crypton Future Media
On April 30, 2010, an updated version of Miku called Hatsune Miku Append was released containing a package of six different tones of Miku's voice: Soft (gentle, delicate voice), Sweet (young, chibi voice), Dark (mature, heartbroken-like voice), Vivid (bright, cheerful voice), Solid (loud, clear voice), and Light (innocent, heavenly voice). Crypton Future Media also released Kagamine Rin/Len Append on December 27, 2010.According to Crypton, a petition started on Facebook exceeded the needed 39,390 members in November 2010 to join Hatsune Miku's account for an English version to be released; Crypton announced that they are working on an English Miku and was planned to be released in 2013. Hatsune Miku English has been released on August 31, 2013. Hatsune Miku V3 was released September 26, 2013.