http://plusd.itmedia.co.jp/mobile/articles/0903/10/news053.html

http://zoome.jp/tintirorin/diary/6/

http://www.itmedia.co.jp/news/articles/0810/16/news096.html

http://www.itmedia.co.jp/news/articles/0801/28/news010.html

http://vocaloid.blog120.fc2.com/blog-entry-448.html