@article{oai:u-ryukyu.repo.nii.ac.jp:02001925,
 author = {山口, 喜七郎 and 屋良, 朝夫 and Yamaguchi, Kishichiro and Yara, Asao},
 issue = {33},
 journal = {琉球大学教育学部紀要 第一部・第二部},
 note = {We analyzed sound waves of Ryukyu's Sanshin by the micro-computer with the interface of A/D- converter.\nWe got the musical interval ratio of Hon-cho-si of Ryukyu's Sanshin.\nIt is very similar to that of the just temperament scale.\nWe got about 740 Hz as the lowest resonance frequency of the trunk of Ryukyu' s Sanshin.\nAccording to the results by main component analysis, the contribution value of the first main component is not so large as we expected. It means the tone of the Sanshin has a wide variety., 紀要論文},
 pages = {355--361},
 title = {パーソナルコンピューターによる音声信号の解析 : 琉球三味線の本調子について}
}