Patents by Inventor Ivan Magrin-Chagnolleau

Ivan Magrin-Chagnolleau 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).

  • Multimedia search apparatus and method for searching multimedia content using speaker detection by audio data
    Patent number: 6405166
    Abstract: A multimedia search apparatus and method for searching multimedia content using speaker detection to segment the multimedia content. The multimedia search apparatus receives a search request from a user device. The search request identifies the target speaker for which the search is to be conducted. Based on the search request, the multimedia search apparatus retrieves multimedia content from a multimedia database. The multimedia search apparatus retrieves models, such as Gaussian Mixture Models (GMMs), from a model storage device, corresponding to the target speaker and background data. Based on the retrieved models, the multimedia search device searches the multimedia data of the multimedia content and segments the multimedia data. The segments are identified by calculating an average normalized score for a block of frames of the multimedia data and determining if the average normalized score for the block of frames exceeds one or more predetermined thresholds.
    Type: Grant
    Filed: October 15, 2001
    Date of Patent: June 11, 2002
    Assignee: AT&T Corp.
    Inventors: Qian Huang, Ivan Magrin-Chagnolleau, Sarangarajan Parthasarathy, Aaron Edward Rosenberg
  • Multimedia search apparatus and method for searching multimedia content using speaker detection by audio data
    Publication number: 20020029144
    Abstract: A multimedia search apparatus and method for searching multimedia content using speaker detection to segment the multimedia content. The multimedia search apparatus receives a search request from a user device. The search request identifies the target speaker for which the search is to be conducted. Based on the search request, the multimedia search apparatus retrieves multimedia content from a multimedia database. The multimedia search apparatus retrieves models, such as Gaussian Mixture Models (GMMs), from a model storage device, corresponding to the target speaker and background data. Based on the retrieved models, the multimedia search device searches the multimedia data of the multimedia content and segments the multimedia data. The segments are identified by calculating an average normalized score for a block of frames of the multimedia data and determining if the average normalized score for the block of frames exceeds one or more predetermined thresholds.
    Type: Application
    Filed: October 15, 2001
    Publication date: March 7, 2002
    Applicant: AT&T Corp.
    Inventors: Qian Huang, Ivan Magrin-Chagnolleau, Sarangarajan Parthasarathy, Aaron Edward Rosenberg
  • Multimedia search apparatus and method for searching multimedia content using speaker detection by audio data
    Patent number: 6317710
    Abstract: A multimedia search apparatus and method for searching multimedia content using speaker detection to segment the multimedia content. The multimedia search apparatus receives a search request from a user device. The search request identifies the target speaker for which the search is to be conducted. Based on the search request, the multimedia search apparatus retrieves multimedia content from a multimedia database. The multimedia search apparatus retrieves models, such as Gaussian Mixture Models (GMMs), from a model storage device, corresponding to the target speaker and background data. Based on the retrieved models, the multimedia search device searches the audio data of the multimedia content and segments the audio data. The segments are identified by calculating an average normalized score for a block of frames of the audio data and determining if the average normalized score for the block of frames exceeds one or more predetermined thresholds.
    Type: Grant
    Filed: July 14, 1999
    Date of Patent: November 13, 2001
    Assignee: AT&T Corp.
    Inventors: Qian Huang, Ivan Magrin-Chagnolleau, Sarangarajan Parthasarathy, Aaron Edward Rosenberg