is a voice bank for the VOCALOID2, VOCALOID3 and VOCALOID4 program. Its image comes to be considered and personified as one of the most famous Japanese virtual idols worldwide, developed by Crypton Future Media with the voice of seiyuu Saki Fujita for the second version of the VOCALOID voice synthesizer program. Its name comes from the Japanese and its meaning is: The first sound of the future (初 め て の 音 = Hajimete no Oto). The name comes from the reduction from "Hajimete no Oto" to "Hatsu oto" (初 音) (or "Hatsu ne" in another pronunciation of kanji 音) (sound) and Mirai to Miku.
On April 30, 2010, the second product of the CV01, Hatsune Miku Append, was sold, which includes 6 bookstores in total with different expressions.
For the sixth anniversary of Miku Hatsune, she acquired the ability to sing in English thanks to her voice bank Miku Hatsune V3 English and an update was revealed, Miku Hatsune V3, which went on sale on September 27, 2013, and which includes its original voice banks and its improved Append libraries.
During its ninth anniversary on August 31, 2016 a new update was launched, Hatsune Miku V4X, this time for the VOCALOID4 engine with two new functions, E.V.E.C. (Enhanced Voice Expression Control) and compatibility with the GWL (Growl - Growl) parameter. Currently has many pages verified on the Internet, specifically on YouTube, and one of them sponsored by Vevo. These videos have managed to put themselves as the most watched of Miku on YouTube, leading her to win the silver prize and be nominated for the gold of the said company.