Wide-Area Sound-Control System for Reducing Reverberation Using Power Envelope Inverse Filtering. - Ryohei Nakada; Yutaka Hasegawa; Shigeki Hirobayashi; Toshio Yoshizawa; Tadanobu Misawa; Junya Suzuki (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2013)