Byung Sik Yoon Hyung Jung Kim Man Ho Park Deok Gu Gee Song In Choi A proposed method for complexity reduction algorithm of wideband AMR speech coder. 276-280 2005 conf/iastedCCS/2005 Circuits, Signals, and Systems db/conf/iastedCCS/iastedCCS2005.html#YoonKPGC05