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Flexible Piezoelectric Acoustic Sensors and Machine Learning for Speech Processing.

Author information

Affiliations

  • 1. Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea.
      Authors
    • Jung YH 1
    • Hong SK 1
    • Wang HS 1
    • Han JH 1
    • Lee KJ 1
    (5 authors)
  • 2. Department of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea.
      Authors
    • Pham TX 2
    • Park H 2
    • Kim J 2
    • Kang S 2
    • Yoo CD 2
    (5 authors)

ORCIDs linked to this article

Advanced Materials (Deerfield Beach, Fla.), 16 Oct 2019, 32(35):e1904020
https://doi.org/10.1002/adma.201904020 PMID: 31617274 

Review

Abstract 

Flexible piezoelectric acoustic sensors have been developed to generate multiple sound signals with high sensitivity, shifting the paradigm of future voice technologies. Speech recognition based on advanced acoustic sensors and optimized machine learning software will play an innovative interface for artificial intelligence (AI) services. Collaboration and novel approaches between both smart sensors and speech algorithms should be attempted to realize a hyperconnected society, which can offer personalized services such as biometric authentication, AI secretaries, and home appliances. Here, representative developments in speech recognition are reviewed in terms of flexible piezoelectric materials, self-powered sensors, machine learning algorithms, and speaker recognition.

Full text links 

Read article at publisher's site: https://doi.org/10.1002/adma.201904020

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Funding 

Funders who supported this work.

MSIT (1)

Ministry of Science and ICT (1)

Nano Material Technology Development Program (1)

National Research Foundation (NRF) of Korea (1)

National Research Foundation of Korea (7)

National Research Foundation of Korea (NRF)

    Wearable Platform Materials Technology Center (WMC)