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A Keyboard-Based r-Shaped Triboelectric Generator for Active Noise-Free Recording

Published online by Cambridge University Press:  02 July 2015

Mengdi Han ,
Bo Meng ,
Xiaoliang Cheng ,
Fuyun Zhu ,
Mayue Shi  and
Haixia Zhang
Mengdi Han
Affiliation:
National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Peking University, Beijing, 100871, China.
Bo Meng
Affiliation:
National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Peking University, Beijing, 100871, China.
Xiaoliang Cheng
Affiliation:
National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Peking University, Beijing, 100871, China.
Fuyun Zhu
Affiliation:
National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Peking University, Beijing, 100871, China.
Mayue Shi
Affiliation:
National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Peking University, Beijing, 100871, China. Peking University Shenzhen Graduate School, Shenzhen, 518055, China
Haixia Zhang
Affiliation:
National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Peking University, Beijing, 100871, China.
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Abstract

This paper presents a method for noise-free recording of the keyboard-based musical instruments. By integrating an r-shaped triboelectric generator (TEG) into the keyboard of a piano, it can produce electric signal while playing music due to the combination of contact electrification and electric induction. We investigated the electric signal and developed a graphical user interface to convert the electric signal back to music. Using the piano and the graphical user interface, active noise-free recording can be realized. Namely, only the sound produced by the piano can be converted and recorded, while other noise in the environment can be filtered automatically.

Keywords

energy generationpolymersensor
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1782: Symposium P – Nanogenerators and Piezotronics , 2015 , pp. 29 - 34
Copyright
Copyright © Materials Research Society 2015 

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References

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