Patents by Inventor Karl Jonas Lööf

Karl Jonas Lööf 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).

  • Patent number: 9953638
    Abstract: A computer-implemented method is described for front end speech processing for automatic speech recognition. A sequence of speech features which characterize an unknown speech input provided on an audio input channel and associated meta-data which characterize the audio input channel are received. The speech features are transformed with a computer process that uses a trained mapping function controlled by the meta-data, and automatic speech recognition is performed of the transformed speech features.
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: April 24, 2018
    Assignee: Nuance Communications, Inc.
    Inventors: Daniel Willett, Karl Jonas Lööf, Yue Pan, Joel Pinto, Christian Gollan
  • Publication number: 20150262575
    Abstract: A computer-implemented method is described for front end speech processing for automatic speech recognition. A sequence of speech features which characterize an unknown speech input provided on an audio input channel and associated meta-data data which characterize the audio input channel are received. The speech features are transformed with a computer process that uses a trained mapping function controlled by the meta-data, and automatic speech recognition is performed of the transformed speech features.
    Type: Application
    Filed: June 28, 2012
    Publication date: September 17, 2015
    Applicant: NUANCE COMMUNICATIONS, INC.
    Inventors: Daniel Willett, Karl Jonas Lööf, Yue Pan, Joel Pinto, Christian Gollan