Patents by Inventor Yunjuan Xie

Yunjuan Xie 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).

  • Method, network element, and system for assessing voice quality
    Patent number: 9641673
    Abstract: Embodiments of the present invention disclose a method, a network element, and a system for assessing voice quality, which relates to the communications field and solves a problem that user perception cannot be reflected according to a voice quality assessment result. The method includes acquiring a voice code stream, and collecting statistics on a transmission parameter in each short-time assessment period; decoding the voice code stream, and collecting statistics on a source parameter according to the decoded voice code stream; and calculating a comprehensive voice quality assessment result according the transmission parameter and the source parameter. The present invention is used for voice quality assessment.
    Type: Grant
    Filed: February 24, 2015
    Date of Patent: May 2, 2017
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Chunmei Lu, Hongbo Yang, Yunjuan Xie, Haijiao Wang
  • METHOD, NETWORK ELEMENT, AND SYSTEM FOR ASSESSING VOICE QUALITY
    Publication number: 20150172455
    Abstract: Embodiments of the present invention disclose a method, a network element, and a system for assessing voice quality, which relates to the communications field and solves a problem that user perception cannot be reflected according to a voice quality assessment result. The method includes acquiring a voice code stream, and collecting statistics on a transmission parameter in each short-time assessment period; decoding the voice code stream, and collecting statistics on a source parameter according to the decoded voice code stream; and calculating a comprehensive voice quality assessment result according the transmission parameter and the source parameter. The present invention is used for voice quality assessment.
    Type: Application
    Filed: February 24, 2015
    Publication date: June 18, 2015
    Inventors: Chunmei Lu, Hongbo Yang, Yunjuan Xie, Haijiao Wang