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Monday, July 8 • 18:30 - 18:50
STUDY ON SKIN PROPAGATION OF SPEECH USING THREE DIMENSIONAL DISPLACEMENT MEASUREMENT

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Many researchers focus on speech and body-conducted speech including body-conducted speech to clear propagation mechanisms for making innovative interfaces. Especially, skin propagation of speech on a face skin analyzed by a Laser Doppler Vibrometer generally. In this study, it is presented that sound measurement on skin propagation during vocaliza-tion using three dimensional displacement measurement. At this experiment, each subject vocalized 7 vocabularies that are 5 Japanese vowels, 1 syllabic nasal and 1 silence. Then, speech, body-conducted speech and skin displacements is measured for analysis with Spectrum and its envelope. Speech is recorded at about 20 cm from a mouth with a micro-phone, and body-conducted speech is recorded at upper left of upper lip with an accel-erometer. The displacements are captured from upper lip using the 3D displacement measurement. As the results, direction and its attenuation depend on each axis and a trans-fer function can be obtained that converts between the dimensions of acceleration and dis-placement at the same measurement location on the lip.

Moderators
LH

Lars Håkansson

professor, Linnaeus University
TK

Triantafillos Koukoulas

Dr, Korea Research Institute of Standards and Science

Authors

Monday July 8, 2019 18:30 - 18:50 EDT
Westmount 2
  T01 Ac. meas. & instrum., RS02 Measur techniq & sens