Group synchronization in networked virtual environments. - Yutaka Ishibashi; Kiyoshi Tomaru; Shuji Tasaka; Katsunori Inazumi (ICC, 2003)

Media synchronization between voice and movement of avatars in networked virtual environments. - Yutaka Ishibashi; Katsunori Inazumi; Shuji Tasaka; Toshio Asano (Advances in Computer Entertainment Technology, 2004)