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.
