Development of research tools based on visualization of artistic expression in vocal performance of Noh

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A new set of technologies for information extraction, visualization, control and resynthesis, which provide functions conventional methods failed to implement, are developed in this project aiming at analysis and synthesis of vocal artistic expressions found in Japanese traditional theatrical art, Noh. Especially, temporally finer F0 and spectral estimation procedures were invented to enable detailed analyses, which were impossible using conventional methods. Voice morphing based on these technologies opens new possibilities for investigating implicit brain functions which are not accessible from consciousness.