A Portable Acoustic Caption Decoder Using IH Techniques for Enhancing Lives of the People Who Are Deaf or Hard-of-Hearing - System Configuration and Robustness for Airborne Sound -. - Tetsuya Munekata; Toshimitsu Yamaguchi; Hiroki Handa; Ryouichi Nishimura; Yôiti Suzuki (IIH-MSP, 2007)