H. Irii

Objective estimation of speech quality degradation due to transmission error

T. Yamazaki, H. Irii, 1992, [Conference Record] SUPERCOMM/ICC '92 Discovering a New World of Communications.

Artificial voice signal for objective quality evaluation of speech coding systems

Nobuhiko Kitawaki, H. Nagabuchi, Kenzo Itoh, 1989, IEEE International Conference on Communications, World Prosperity Through Communications,.

Comparison of four objective speech quality assessment methods based on international subjective evaluations of universal codecs

H. Irii, H. Irii, 1991, ICC 91 International Conference on Communications Conference Record.

Subjective performance assessment of CCITT's 16 kbit/s speech coding algorithm

Nobuhiko Kitawaki, C. R. South, N. Gleiss, 1993, Speech Commun..

PROMOTE-A system for estimating speech transmission quality in telephone networks

H. Irii, J.-I. Kozono, K. Kurashima, 1991 .

Objective measurement method for estimating speech quality of low-bit-rate speech coding

Nobuhiko Kitawaki, Kenzo Itoh, H. Irii, 1991 .

COMPARISON OF THE SOUND PRESSURE RADIATION FROM A PROLATE SPHEROID AND THEHUMAN MOUTH

H. Irii, K. Sugiyama, 1991 .