Σάββατο 15 Σεπτεμβρίου 2018

Machine Learning-based Self-powered Acoustic Sensor for Speaker Recognition

Publication date: Available online 14 September 2018Source: Nano EnergyAuthor(s): Jae Hyun Han, Kang Min Bae, Seong Kwang Hong, Hyunsin Park, Jun-Hyuk Kwak, Hee Seung Wang, Daniel Juhyung Joe, Jung Hwan Park, Young Hoon Jung, Shin Hur, Chang D. Yoo, Keon Jae LeeAbstractHerein, we report a new platform of machine learning-based speaker recognition via the flexible piezoelectric acoustic sensor (f-PAS) with a highly sensitive multi-resonant frequency band. The resonant self-powered f-PAS was fabricated by mimicking the operating mechanism of the basilar membrane in the human cochlear. The f-PAS acquired abundant voice information from the multi-channel sound inputs. The standard TIDIGITS dataset were recorded by the f-PAS and converted to frequency components by using a Fast Fourier Transfor...

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