Patents by Inventor Rainer Thaden

Rainer Thaden 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).

  • Device for and a method of processing audio signals
    Patent number: 8498423
    Abstract: A method is provided which is suitable to cope with non-linear echo paths during acoustic echo cancellation in speakerphones. Non-linear paths occur particularly in hands-free operation of, e.g., a mobile phone, due to driving the amplifier and loudspeaker in the non-linear range. The idea is to combine the commonly known one microphone approach of linear acoustic echo cancellation using an adaptive filter and a post-processor together with a multiple microphone approach using beam forming which separately removes the non-linear part of the echo.
    Type: Grant
    Filed: June 16, 2008
    Date of Patent: July 30, 2013
    Assignee: Koninklijke Philips N.V.
    Inventors: Rainer Thaden, Cornelis Pieter Janse, David Antoine Christian Marie Roovers
  • DEVICE FOR AND A METHOD OF PROCESSING AUDIO SIGNALS
    Publication number: 20100189274
    Abstract: A method is provided which is suitable to cope with non-linear echo paths during acoustic echo cancellation in speakerphones. Non-linear paths occur particularly in hands-free operation of, e.g., a mobile phone, due to driving the amplifier and loudspeaker in the non-linear range. The idea is to combine the commonly known one microphone approach of linear acoustic echo cancellation using an adaptive filter and a post-processor together with a multiple microphone approach using beam forming which separately removes the non-linear part of the echo.
    Type: Application
    Filed: June 16, 2008
    Publication date: July 29, 2010
    Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.
    Inventors: Rainer Thaden, Cornelis Pieter Janse, David Antoine Christian Marie Roovers