Flexible piezoelectric acoustic sensors for speaker recognition

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A research team has developed a machine learning-based acoustic sensor for speaker recognition. The team fabricated a flexible piezoelectric membrane by mimicking the basilar membrane in the human cochlear. Resonant frequencies vibrate corresponding regions of the trapezoidal piezoelectric membrane, which converts voice to electrical signal with a highly sensitive self-powered acoustic sensor.

from Latest Science News -- ScienceDaily https://ift.tt/2IDNhiC

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