Patents by Inventor Wei Z W Zhang

Wei Z W Zhang 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 and system for statistic-based distance definition in text-to-speech conversion
    Patent number: 7590540
    Abstract: A method for distance definition in a text-to-speech conversion system by applying Gaussian Mixture Model (GMM) to a distance definition. According to an embodiment, the text that is to be subjected to text-to-speech conversion is analyzed to obtain a text with descriptive prosody annotation; clustering is performed for samples in the obtained text; and a GMM model is generated for each cluster, to determine the distance between the sample and the corresponding GMM model.
    Type: Grant
    Filed: September 29, 2005
    Date of Patent: September 15, 2009
    Assignee: Nuance Communications, Inc.
    Inventors: Wei Z W Zhang, Xi Jun Ma, Ling Jin, Hai Xin Chai