Patents by Inventor Jens E. APPELL

Jens E. APPELL 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).

  • Apparatus and method for improving speech intelligibility in background noise by amplification and compression
    Patent number: 10319394
    Abstract: An apparatus for generating a modified speech signal from a speech input signal which has a plurality of speech subband signals, the modified speech signal having a plurality of modified subband signals is provided, having: a weighting information generator for generating weighting information for each speech subband signal depending on a signal power of said speech subband signal, and a signal modifier for modifying each speech subband signal by applying the weighting information on said speech subband signal to obtain a modified subband signal.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: June 11, 2019
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Jan Rennies, Henning Schepker, Simon Doclo, Jens E. Appell
  • APPARATUS AND METHOD FOR IMPROVING SPEECH INTELLIGIBILITY IN BACKGROUND NOISE BY AMPLIFICATION AND COMPRESSION
    Publication number: 20150310875
    Abstract: An apparatus for generating a modified speech signal from a speech input signal which has a plurality of speech subband signals, the modified speech signal having a plurality of modified subband signals is provided, having: a weighting information generator for generating weighting information for each speech subband signal depending on a signal power of said speech subband signal, and a signal modifier for modifying each speech subband signal by applying the weighting information on said speech subband signal to obtain a modified subband signal.
    Type: Application
    Filed: July 8, 2015
    Publication date: October 29, 2015
    Inventors: Jan RENNIES, Henning SCHEPKER, Simon DOCLO, Jens E. APPELL