Tomohiro Ashina

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An electron microscopical study was made of human immunodeficiency virus type 1 (HIV-1) in the unstained, frozen, hydrated state at liquid helium temperature. The findings were compared with those obtained from negative staining and ultrathin sectioning. Electron cryo-microscopy confirms and extended the findings obtained by conventional methods. In(More)
A singing voice synthesizer has been developed for an entertainment tool. Using the synthesizer, operator can control pitch, loudness, and depth of vibrato for the vowel-like output sound by his arm motions. The phonetic quality of the sound is controlled by a wrist angle of the operator. Since unnecessary formant transition often occurs in this phoneme(More)
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