Patents by Inventor Stefan WETZEL

Stefan WETZEL 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: 20200154198
    Abstract: A loudspeaker includes one or more drivers and at least two waveguides. The one or more drivers are arranged to emit soundwaves. The waveguides are coupled to the one or more drivers to receive the soundwaves emitted by the one or more drivers. The first of the at least two waveguides has an output position at a first position of the loudspeaker and is configured to forward the received soundwaves to the output at the first position, wherein a second of the at least two waveguides has an output position at a second position of the loudspeaker and is configured to forward the received soundwaves to the output at the second position.
    Type: Application
    Filed: January 10, 2020
    Publication date: May 14, 2020
    Inventors: Martin SCHNEIDER, Emanuel HABETS, Stefan WETZEL, Oliver HELLMUTH, Peter PROKEIN
  • Publication number: 20190045316
    Abstract: An apparatus for generating a plurality of loudspeaker signals from two or more audio source signals is provided. Each of the two or more audio source signals shall be reproduced in one or more of two or more sound zones, and at least one of the two or more audio source signals shall not be reproduced in at least one of the two more sound zones. An audio preprocessor is configured to modify each initial audio signal of the two or more initial audio signals depending on a signal power or a loudness of another initial audio signal of the two or more initial audio signals. A filter is configured to generate the plurality of loudspeaker signals depending on in which of the two or more sound zones the two or more audio source signals shall be reproduced and depending on in which of the two or more sound zones the two or more audio source signals shall not be reproduced.
    Type: Application
    Filed: October 11, 2018
    Publication date: February 7, 2019
    Inventors: Martin SCHNEIDER, Stefan WETZEL, Andreas WALTHER, Christian UHLE, Oliver HELLMUTH, Peter PROKEIN, Emanuel HABETS