Research on the Regional Difference Among Japanese Dialects and Creation of Spoken Japanese Dialect Corpus

我们记录了青森县、山形县、千叶县、爱知县、富山县、奈良县、鸟取县、香川县和福冈县9个区的日语口语。57名男性和77名女性发言者的语音数据被记录在175个DAT上。我们将部分语音数据转录成假名字符。我们对收集到的数据进行了编辑并将其记录到光盘上，其中一小部分数据也被记录到CD上。我们对声学特征进行了研究，这些特征反映了显著特征的声学方面，对于日语口语方言的分段和韵律分析是有效的。我们设计了一种将语音符号序列标注到语音样本上的方法，并开发了一个标注系统。最近，我们发现语音中浊辅音的鼻化较少。首先，为了掌握播音室的实际情况，找出可以应用于教育的客观评价方法，我们提取了鼻化发声辅音的声学特征。我们分析了NHK播音员的鼻化/ga/，并研究了区分鼻化和非鼻化发声辅音的参数。我们记录了日本人和外国说话者对日本火车站和私营公司名称的语音数据。我们对1542个日语口语进行了共振峰频率和基频分析，并建立了包含语音波形的数据库。

We have recorded spoken Japanese dialects from 9 districts ofAomori, Yamagata, Chiba, Aichi, Toyama, Nara, Tottori, Kagawa, and Fukuoka prefectures. Speech data were recorded from 57 male and 77 female speakers onto 175 DATs. We transcribed a part of the speech data into Kana characters. We edited the collected data and recorded them onto CD-ROMs; a small part of the data were recorded also onto CDs.We have made studies on acoustic features which reflects acoustic aspects of distinctive features effective for segmental and prosodic analyzes of Japanese spoken dialects. We devised a procedure for labeling a sequence of phonetic symbols onto speech sample and developed a labeling system.Recently, we find less nasalization of voiced velar consonants in speech. First, we extracted acoustic features of nasalized velar plosive consonants so as to grasp the actual conditions in broadcast studios and to find out objective evaluation methods to be applied for education. We analyzed nasalized /ga/ of NHK announcers and studied the parameters for discriminating nasalized voiced velar consonants from non-nasalized ones.We recorded speech data of the names of railroad stations and private companies in Japan spoken by Japanese and foreign speakers. We made formant frequency and fundamental frequency analyzes of 1542 spoken Japanese and made their database including the speech wave.