Patents by Inventor Christoph Kemper

Christoph Kemper 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).

  • Publication number: 20230300530
    Abstract: A method is proposed for adapting a sound converter to a reference sound converter at a target setting of an analog circuit of the reference sound converter. The sound converter has a sound transfer function. The analog circuit is digitally modeled by an analog function. At a default setting of the analog circuit, parameters of the sound transfer function of the sound converter are adapted to the reference sound converter. An analog function inverse to the analog function with default analog parameters corresponding to the default setting and the analog function with target analog parameters corresponding to the target setting are applied before or after the sound transfer function. Furthermore, a sound converter adapted for carrying out the method is proposed.
    Type: Application
    Filed: March 20, 2023
    Publication date: September 21, 2023
    Inventor: Christoph KEMPER
  • Patent number: 11463057
    Abstract: The method for adapting a sound converter to a reference sound converter includes the sound converter having a first linear transfer function with a first frequency response, a second linear transfer function with a second frequency response, and a trivial nonlinearity. The sound converter has a non-linear transfer function corresponding to the frequency response from combination of the first linear transfer function, the trivial nonlinearity, and the second linear transfer function. A first frequency spectrum of the reference sound converter is determined at a low input level. A second frequency spectrum of the reference sound converter is determined at a high input level. The second determined frequency spectrum is used as the second frequency response in the second linear transfer function, and the division of the first frequency spectrum by the second frequency spectrum is used as the first frequency response in the first linear transfer function.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: October 4, 2022
    Inventor: Christoph Kemper
  • Publication number: 20210058049
    Abstract: The method for adapting a sound converter to a reference sound converter includes the sound converter having a first linear transfer function with a first frequency response, a second linear transfer function with a second frequency response, and a trivial nonlinearity. The sound converter has a non-linear transfer function corresponding to the frequency response from combination of the first linear transfer function, the trivial nonlinearity, and the second linear transfer function. A first frequency spectrum of the reference sound converter is determined at a low input level. A second frequency spectrum of the reference sound converter is determined at a high input level. The second determined frequency spectrum is used as the second frequency response in the second linear transfer function, and the division of the first frequency spectrum by the second frequency spectrum is used as the first frequency response in the first linear transfer function.
    Type: Application
    Filed: August 19, 2020
    Publication date: February 25, 2021
    Inventor: Christoph KEMPER
  • Patent number: 8796530
    Abstract: The musical instrument has a acoustic transducer, which transforms an excitation signal generated by at least one resonator into an acoustic signal. The acoustic transducer is provided with an adjustable oscillation profile, in which at least one profile parameter is defined by a reference profile of a reference instrument.
    Type: Grant
    Filed: July 27, 2007
    Date of Patent: August 5, 2014
    Inventor: Christoph Kemper
  • Publication number: 20080134867
    Abstract: The musical instrument has a acoustic transducer, which transforms an excitation signal generated by at least one resonator into an acoustic signal. The acoustic transducer is provided with an adjustable oscillation profile, in which at least one profile parameter is defined by a reference profile of a reference instrument.
    Type: Application
    Filed: July 27, 2007
    Publication date: June 12, 2008
    Inventor: Christoph Kemper
  • Patent number: D738349
    Type: Grant
    Filed: May 10, 2012
    Date of Patent: September 8, 2015
    Inventor: Christoph Kemper