Yusuke Hiwasaki Hitoshi Ohmuro Takeshi Mori Sachiko Kurihara Akitoshi Kataoka A G.711 Embedded Wideband Speech Coding for VoIP Conferences. 2542-2552 2006 89-D IEICE Transactions 9 http://dx.doi.org/10.1093/ietisy/e89-d.9.2542 db/journals/ieicet/ieicet89d.html#HiwasakiOMKK06