Patents by Inventor Hans-Joerg Koepf

Hans-Joerg Koepf 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).

  • Measurement and tuning of hands free telephone systems
    Patent number: 10326867
    Abstract: An arrangement is described for measuring performance characteristics of a hands free telephone system. There is a measurement system which is coupleable over a telephone audio interface directly to the hands free telephone system for measuring the performance characteristics.
    Type: Grant
    Filed: February 5, 2010
    Date of Patent: June 18, 2019
    Assignee: Nuance Communications, Inc.
    Inventors: Tim Haulick, Guido Kolano, Martin Roessler, Hans-Joerg Koepf, Walter Schnug, Markus Buck
  • Efficient audio signal processing in the sub-band regime
    Patent number: 9203972
    Abstract: A signal processing system enhances an audio signal. The audio signal is divided into audio sub-band signals. Some audio sub-band signals are excised. Other audio sub-band signals are processed to obtain enhanced audio sub-band signals. At least a portion of the excised audio sub-band signals are reconstructed. The reconstructed audio sub-band signals are synthesized with the enhanced audio sub-band signals to form an enhanced audio signal.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: December 1, 2015
    Assignee: Nuance Communications, Inc.
    Inventors: Gerhard Uwe Schmidt, Hans-Jörg Köpf, Günther Wirsching
  • Efficient Audio Signal Processing in the Sub-Band Regime
    Publication number: 20130010976
    Abstract: A signal processing system enhances an audio signal. The audio signal is divided into audio sub-band signals. Some audio sub-band signals are excised. Other audio sub-band signals are processed to obtain enhanced audio sub-band signals. At least a portion of the excised audio sub-band signals are reconstructed. The reconstructed audio sub-band signals are synthesized with the enhanced audio sub-band signals to form an enhanced audio signal.
    Type: Application
    Filed: September 14, 2012
    Publication date: January 10, 2013
    Applicant: NUANCE COMMUNICATIONS, INC.
    Inventors: Gerhard Uwe Schmidt, Hans-Jörg Köpf, Günther Wirsching
  • Efficient audio signal processing in the sub-band regime
    Patent number: 8320575
    Abstract: A signal processing system enhances an audio signal. The audio signal is divided into audio sub-band signals. Some audio sub-band signals are excised. Other audio sub-band signals are processed to obtain enhanced audio sub-band signals. At least a portion of the excised audio sub-band signals are reconstructed. The reconstructed audio sub-band signals are synthesized with the enhanced audio sub-band signals to form an enhanced audio signal.
    Type: Grant
    Filed: September 30, 2008
    Date of Patent: November 27, 2012
    Assignee: Nuance Communications, Inc.
    Inventors: Gerhard Uwe Schmidt, Hans-Jörg Köpf, Günther Wirsching
  • Measurement and Tuning of Hands Free Telephone Systems
    Publication number: 20120278041
    Abstract: An arrangement is described for measuring performance characteristics of a hands free telephone system. There is a measurement system which is coupleable over a telephone audio interface directly to the hands free telephone system for measuring the performance characteristics.
    Type: Application
    Filed: February 5, 2010
    Publication date: November 1, 2012
    Applicant: NUANCE COMMUNICATIONS, INC.
    Inventors: Tim Haulick, Guido Kolano, Martin Roessler, Hans-Joerg Koepf, Walter Schnug, Markus Buck
  • Multi-channel echo compensation system
    Patent number: 8085947
    Abstract: A system reduces echoes in an audio system by de-correlating audio signals. Adaptive filters provide compensation based on the de-correlated signals. A controller controls the de-correlation based upon the adaptation state of the adaptive filters.
    Type: Grant
    Filed: April 25, 2007
    Date of Patent: December 27, 2011
    Assignee: Nuance Communications, Inc.
    Inventors: Tim Haulick, Gerhard Uwe Schmidt, Markus Buck, Martin Roessler, Hans-Joerg Koepf
  • VOICE COMMAND PROCESSING SYSTEM IN A VEHICLE ENVIRONMENT
    Publication number: 20080154613
    Abstract: A voice processing system for a vehicle environment is provided for detecting a sound signal in the vehicle environment and identifying a voice command that originates from a vehicle user outside the vehicle. The voice processing system, in the detected the sound signal, takes into account position information relating to the position of the vehicle user in the vehicle environment. Information on the position of the vehicle user may be obtained from a keyless-go-system or another monitoring device of the motor vehicle, for example an optical imaging device of a parking-assistance system or a driver-assistance system.
    Type: Application
    Filed: August 6, 2007
    Publication date: June 26, 2008
    Applicant: Harman Becker Automotive Systems GmbH
    Inventors: Tim Haulick, Markus Buck, Hans-Joerg Koepf
  • Multi-channel echo compensation system
    Publication number: 20080031469
    Abstract: A system reduces echoes in an audio system by de-correlating audio signals. Adaptive filters provide compensation based on the de-correlated signals. A controller controls the de-correlation based upon the adaptation state of the adaptive filters.
    Type: Application
    Filed: April 25, 2007
    Publication date: February 7, 2008
    Inventors: Tim Haulick, Gerhard Schmidt, Markus Buck, Martin Roessler, Hans-Joerg Koepf