Patents by Inventor Werner Hemmert

Werner Hemmert 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: 10166388
    Abstract: A system and method for the evaluation of hearing implant signal processing is described. A cochlear implant signal processor converts a speech signal input into multi-channel stimulation pulse sequences for a cochlear implant electrode array. A temporal feature processing module extracts temporal feature information from the stimulation pulse sequences. A speech recognition engine evaluates the temporal information using automatic speech recognition to produce speech recognition outputs corresponding to the speech signal input.
    Type: Grant
    Filed: October 6, 2014
    Date of Patent: January 1, 2019
    Assignees: MED-EL Elektromedizinische Geraete GmbH, Technische Universität München
    Inventors: Michael Isik, Werner Hemmert
  • Publication number: 20160235987
    Abstract: A system and method for the evaluation of hearing implant signal processing is described. A cochlear implant signal processor converts a speech signal input into multi-channel stimulation pulse sequences for a cochlear implant electrode array. A temporal feature processing module extracts temporal feature information from the stimulation pulse sequences. A speech recognition engine evaluates the temporal information using automatic speech recognition to produce speech recognition outputs corresponding to the speech signal input.
    Type: Application
    Filed: October 6, 2014
    Publication date: August 18, 2016
    Applicants: Technische Universität München, MED-EL Elektromedizinische Geraete GmbH
    Inventors: Michael Isik, Werner Hemmert
  • Patent number: 9351088
    Abstract: An approach is described for evaluating a selected hearing stimulation strategy in a hearing impaired patient. A healthy neurogram represents a normal auditory neural response to a selected sound input by a healthy auditory system. An impaired neurogram represents an impaired auditory neural response to the selected sound input by a hearing impaired patient auditory system using the hearing stimulation strategy. The impaired neurogram is compared to the healthy neurogram based on: i. partitioning the neurograms into corresponding temporal and frequency domain tiles, ii. determining local variability between corresponding individual tiles by comparison of selected tile features, iii. determining global variability between the neurograms by weighted averaging of the individual tile comparisons, and iv. developing from the local and global variabilities a perception estimate representing effectiveness of the selected hearing stimulation strategy in approaching normal healthy hearing for the implanted patient.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: May 24, 2016
    Assignees: MED-EL Elektromedizinische Geraete GmbH, Technische Universität München
    Inventors: Stefano Rini, Michael Drews, Michele Nicoletti, Werner Hemmert
  • Patent number: 9162069
    Abstract: An arrangement and method for hearing implant signal processing is described. A hearing implant signal processor converts a speech signal input into multi-channel electrical stimulation signals for a cochlear implant electrode array. A feature adjustment module adjusts feature resolution of the electrical stimulation signals to produce a corresponding sequence of cochlear stimulation feature vectors. A speech recognition vector pre-processor maps the cochlear stimulation feature vectors into corresponding speech recognition feature vectors. A speech recognition engine evaluates the speech recognition features vectors with probabilistic state sequence models to produce speech recognition outputs corresponding to the speech signal input.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: October 20, 2015
    Assignee: MED-EL Elektromedizinische Geraete GmbH
    Inventor: Werner Hemmert
  • Publication number: 20140294188
    Abstract: An approach is described for evaluating a selected hearing stimulation strategy in a hearing impaired patient. A healthy neurogram represents a normal auditory neural response to a selected sound input by a healthy auditory system. An impaired neurogram represents an impaired auditory neural response to the selected sound input by a hearing impaired patient auditory system using the hearing stimulation strategy. The impaired neurogram is compared to the healthy neurogram based on: i. partitioning the neurograms into corresponding temporal and frequency domain tiles, ii. determining local variability between corresponding individual tiles by comparison of selected tile features, iii. determining global variability between the neurograms by weighted averaging of the individual tile comparisons, and iv. developing from the local and global variabilities a perception estimate representing effectiveness of the selected hearing stimulation strategy in approaching normal healthy hearing for the implanted patient.
    Type: Application
    Filed: June 16, 2014
    Publication date: October 2, 2014
    Inventors: Stefano Rini, Michael Drews, Michele Nicoletti, Werner Hemmert
  • Publication number: 20140100630
    Abstract: An arrangement and method for hearing implant signal processing is described. A hearing implant signal processor converts a speech signal input into multi-channel electrical stimulation signals for a cochlear implant electrode array. A feature adjustment module adjusts feature resolution of the electrical stimulation signals to produce a corresponding sequence of cochlear stimulation feature vectors. A speech recognition vector pre-processor maps the cochlear stimulation feature vectors into corresponding speech recognition feature vectors. A speech recognition engine evaluates the speech recognition features vectors with probabilistic state sequence models to produce speech recognition outputs corresponding to the speech signal input.
    Type: Application
    Filed: December 11, 2013
    Publication date: April 10, 2014
    Applicant: MED-EL Elektromedizinische Geraete GmbH
    Inventor: Werner Hemmert
  • Patent number: 8064699
    Abstract: A signal is used to form intermediate feature vectors which are subjected to high-pass filtering. The high-pass-filtered intermediate feature vectors have a respective prescribed addition feature vector added to them.
    Type: Grant
    Filed: September 24, 2009
    Date of Patent: November 22, 2011
    Assignee: Infineon Technologies AG
    Inventors: Werner Hemmert, Marcus Holmberg
  • Patent number: 7808335
    Abstract: A circuit arrangement and signal processing device are disclosed. In one embodiment, the circuit arrangement includes a resonator circuit for generating an output signal from an input signal with a capacitance and with an inductance, with an input at which the input signal can be provided, and with an output at which the output signal can be provided. A control circuit is provided for open-loop or closed-loop control of a quality factor of the resonator circuit, the control circuit being configured to control the quality factor of the resonator circuit in an open-loop manner or in a closed-loop manner depending on a signal profile of the signal amplitude of the input signal and/or of the output signal.
    Type: Grant
    Filed: September 5, 2003
    Date of Patent: October 5, 2010
    Assignee: Infineon Technologies AG
    Inventor: Werner Hemmert
  • Publication number: 20100017207
    Abstract: A signal is used to form intermediate feature vectors which are subjected to high-pass filtering. The high-pass-filtered intermediate feature vectors have a respective prescribed addition feature vector added to them.
    Type: Application
    Filed: September 24, 2009
    Publication date: January 21, 2010
    Applicant: Infineon Technologies AG
    Inventors: Werner Hemmert, Marcus Holmberg
  • Patent number: 7646912
    Abstract: A signal is used to form intermediate feature vectors which are subjected to high-pass filtering. The high-pass-filtered intermediate feature vectors have a respective prescribed addition feature vector added to them.
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: January 12, 2010
    Assignee: Infineon Technologies AG
    Inventors: Werner Hemmert, Marcus Holmberg
  • Publication number: 20060149530
    Abstract: A circuit arrangement and signal processing device are disclosed. In one embodiment, the circuit arrangement includes a resonator circuit for generating an output signal from an input signal with a capacitance and with an inductance, with an input at which the input signal can be provided, and with an output at which the output signal can be provided. A control circuit is provided for open-loop or closed-loop control of a quality factor of the resonator circuit, the control circuit being configured to control the quality factor of the resonator circuit in an open-loop manner or in a closed-loop manner depending on a signal profile of the signal amplitude of the input signal and/or of the output signal.
    Type: Application
    Filed: September 6, 2003
    Publication date: July 6, 2006
    Inventor: Werner Hemmert
  • Publication number: 20050232496
    Abstract: A signal is used to form intermediate feature vectors which are subjected to high-pass filtering. The high-pass-filtered intermediate feature vectors have a respective prescribed addition feature vector added to them.
    Type: Application
    Filed: February 18, 2005
    Publication date: October 20, 2005
    Inventors: Werner Hemmert, Marcus Holmberg