Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kawahara Shunsuke and Hirakawa Rin and Nakatoh Yoshihisa,Improvement Method of Speech Intelligibility by Enhancement of Spectral Variation,The Japanese Journal of the Institute of Industrial Applications Engineers,2189373X,The Institute of Industrial Applications Engineers,2018,6,1,51-54,https://cir.nii.ac.jp/crid/1390001205502136064,https://doi.org/10.12792/jjiiae.6.1.51