Patents by Inventor Ru-Feng Liu

Ru-Feng Liu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Electronic device and voice command identification method thereof
    Patent number: 10902853
    Abstract: A voice command identification method for an electronic device having a microphone matrix is provided. The method includes: obtaining a plurality of sound signals from the microphone matrix; executing a voice purify operation on the sound signals to obtain a purified sound signal and identifying a target voice signal from the purified sound signal; calculating a compound speech feature data corresponding to the target voice signal through a compound speech recognition model; comparing the compound speech feature data with a plurality of reference speech feature data in the speech feature database, so as to determine a target command mapped to the target voice signal; and executing the target command.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: January 26, 2021
    Assignee: Wistron Corporation
    Inventors: Yuan-Han Liu, Yi-Wen Chen, Yong-Jie Hong, Ru-Feng Liu, Rong-Huei Wang
  • ELECTRONIC DEVICE AND VOICE COMMAND IDENTIFICATION METHOD THEREOF
    Publication number: 20200227039
    Abstract: A voice command identification method for an electronic device having a microphone matrix is provided. The method includes: obtaining a plurality of sound signals from the microphone matrix; executing a voice purify operation on the sound signals to obtain a purified sound signal and identifying a target voice signal from the purified sound signal; calculating a compound speech feature data corresponding to the target voice signal through a compound speech recognition model; comparing the compound speech feature data with a plurality of reference speech feature data in the speech feature database, so as to determine a target command mapped to the target voice signal; and executing the target command.
    Type: Application
    Filed: April 17, 2019
    Publication date: July 16, 2020
    Applicant: Wistron Corporation
    Inventors: Yuan-Han Liu, Yi-Wen Chen, Yong-Jie Hong, Ru-Feng Liu, Rong-Huei Wang