Its first voicebanks were Sweet ANN for English and Hatsune Miku for Japanese. VOCALOID2 was released in the summer of 2007 after an overall successful response to the VOCALOID software. 3 Vocals were in demonstrations at the time of the NAMM 2007 event, these were later confirmed to be Sweet ANN who was formally announced in May, Big AL (announced later on in 2007) and Prima who was announced in February. On January 27, 2007, VOCALOID2 was announced.
The song 'Young Blood' was shared in 2015, which featured a previously unheard test Japanese voicebank tentatively known as Jī-loid. One such test using the editor has since been made known. The first prototype engine was first tested in late 2004. The interface was overhauled and vocals worked upon to produce smoother results. Rather than being based off analysis of the human voice, VOCALOID2 based its vocal results on direct samples of the human voice. When VOCALOID2 began development, several changes occurred.
