Patents by Inventor Ambroise Mutel

Ambroise Mutel 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).

  • Bubble splitting for compact acoustic modeling
    Patent number: 7328154
    Abstract: An improved method is provided for constructing compact acoustic models for use in a speech recognizer. The method includes: partitioning speech data from a plurality of training speakers according to at least one speech related criteria (i.e., vocal tract length); grouping together the partitioned speech data from training speakers having a similar speech characteristic; and training an acoustic bubble model for each group using the speech data within the group.
    Type: Grant
    Filed: August 13, 2003
    Date of Patent: February 5, 2008
    Assignee: Matsushita Electrical Industrial Co., Ltd.
    Inventors: Ambroise Mutel, Patrick Nguyen, Luca Rigazio
  • Bubble splitting for compact acoustic modeling
    Publication number: 20050038655
    Abstract: An improved method is provided for constructing compact acoustic models for use in a speech recognizer. The method includes: partitioning speech data from a plurality of training speakers according to at least one speech related criteria (i.e., vocal tract length); grouping together the partitioned speech data from training speakers having a similar speech characteristic; and training an acoustic bubble model for each group using the speech data within the group.
    Type: Application
    Filed: August 13, 2003
    Publication date: February 17, 2005
    Inventors: Ambroise Mutel, Patrick Nguyen, Luca Rigazio