Patents by Inventor Päivi Marianna Valve

Päivi Marianna Valve 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 apparatus for voice activity determination
    Patent number: 8682662
    Abstract: In accordance with an example embodiment of the invention, there is provided an apparatus for detecting voice activity in an audio signal. The apparatus comprises a first voice activity detector for making a first voice activity detection decision based at least in part on the voice activity of a first audio signal received from a first microphone. The apparatus also comprises a second voice activity detector for making a second voice activity detection decision based at least in part on an estimate of a direction of the first audio signal and an estimate of a direction of a second audio signal received from a second microphone. The apparatus further comprises a classifier for making a third voice activity detection decision based at least in part on the first and second voice activity detection decisions.
    Type: Grant
    Filed: August 13, 2012
    Date of Patent: March 25, 2014
    Assignee: Nokia Corporation
    Inventors: Riitta Elina Niemistö, Päivi Marianna Valve
  • Method And Apparatus For Voice Activity Determination
    Publication number: 20120310641
    Abstract: In accordance with an example embodiment of the invention, there is provided an apparatus for detecting voice activity in an audio signal. The apparatus comprises a first voice activity detector for making a first voice activity detection decision based at least in part on the voice activity of a first audio signal received from a first microphone. The apparatus also comprises a second voice activity detector for making a second voice activity detection decision based at least in part on an estimate of a direction of the first audio signal and an estimate of a direction of a second audio signal received from a second microphone. The apparatus further comprises a classifier for making a third voice activity detection decision based at least in part on the first and second voice activity detection decisions.
    Type: Application
    Filed: August 13, 2012
    Publication date: December 6, 2012
    Inventors: Riitta Elina Niemistö, Päivi Marianna Valve
  • Method and apparatus for voice activity determination
    Patent number: 8244528
    Abstract: In accordance with an example embodiment of the invention, there is provided an apparatus for detecting voice activity in an audio signal. The apparatus comprises a first voice activity detector for making a first voice activity detection decision based at least in part on the voice activity of a first audio signal received from a first microphone. The apparatus also comprises a second voice activity detector for making a second voice activity detection decision based at least in part on an estimate of a direction of the first audio signal and an estimate of a direction of a second audio signal received from a second microphone. The apparatus further comprises a classifier for making a third voice activity detection decision based at least in part on the first and second voice activity detection decisions.
    Type: Grant
    Filed: April 25, 2008
    Date of Patent: August 14, 2012
    Assignee: Nokia Corporation
    Inventors: Riitta Elina Niemistö, Päivi Marianna Valve