Patents by Inventor Sara Varela Redondo

Sara Varela Redondo 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).

  • Cut and paste spoofing detection using dynamic time warping
    Patent number: 9002706
    Abstract: The invention refers to a method for comparing voice utterances, the method comprising the steps: extracting a plurality of features (201) from a first voice utterance of a given text sample and extracting a plurality of features (201) from a second voice utterance of said given text sample, wherein each feature is extracted as a function of time, and wherein each feature of the second voice utterance corresponds to a feature of the first voice utterance; applying dynamic time warping (202) to one or more time dependent characteristics of the first and/or second voice utterance e.g.
    Type: Grant
    Filed: December 10, 2009
    Date of Patent: April 7, 2015
    Assignee: Agnitio SL
    Inventors: Jesus Antonio Villalba Lopez, Alfonso Ortega Gimenez, Eduardo Lleida Solano, Sara Varela Redondo, Marta Garcia Gomar
  • CUT AND PASTE SPOOFING DETECTION USING DYNAMIC TIME WARPING
    Publication number: 20140081638
    Abstract: The invention refers to a method for comparing voice utterances, the method comprising the steps: extracting a plurality of features (201) from a first voice utterance of a given text sample and extracting a plurality of features (201) from a second voice utterance of said given text sample, wherein each feature is extracted as a function of time, and wherein each feature of the second voice utterance corresponds to a feature of the first voice utterance; applying dynamic time warping (202) to one or more time dependent characteristics of the first and/or second voice utterance e.g.
    Type: Application
    Filed: December 10, 2009
    Publication date: March 20, 2014
    Inventors: Jesus Antonio Villalba Lopez, Alfonso Ortega Gimenez, Eduardo Lleida Solano, Sara Varela Redondo, Marta Garcia Gomar