About OYAMA KEN'ICHI
About OKUBO MASAKO
About HANZAWA KEIKO
About speech production measurement
About utterance
About human(sociology)
About voice
About sound analysis
About vowel
About articulation(voice)
About speech production measurement
About mother language speaker
About Information processing in general
About 日本語
About 基礎
About 研究
About 母語話者
About 音声
About 環境
About 配慮
About 発話