著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) KAWAHARA H.,Nearly defect-free F0 trajectory extraction for expressive speech modifications based on STRAIGHT,Interspeech '2005,,,2005,,,,https://cir.nii.ac.jp/crid/1570854175385924992,