Patents by Inventor Quingwei Zhao

Quingwei Zhao 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).

  • Search method based on single triphone tree for large vocabulary continuous speech recognizer
    Patent number: 6980954
    Abstract: A search method based on a single triphone tree for large vocabulary continuous speech recognizer is disclosed in which speech signal are received. Tokens are propagated in a phonetic tree to integrate a language model to recognize the received speech signals. By propagating tokens, which are preserved in tree nodes and record the path history, a single triphone tree can be used in a one pass searching process thereby reducing speech recognition processing time and system resource use.
    Type: Grant
    Filed: September 30, 2000
    Date of Patent: December 27, 2005
    Assignee: Intel Corporation
    Inventors: Quingwei Zhao, Zhiwei Lin, Yonghong Yan, Baosheng Yuan