Patents by Inventor Michael D. Hoffmann

Michael D. Hoffmann 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).

  • Patent number: 9171549
    Abstract: An audio coding system uses mixing metadata to control the attenuation of a main audio program that is subsequently mixed with an associated audio program. The value of the attenuation is calculated by analyzing the estimated loudness of the main and associated audio programs.
    Type: Grant
    Filed: April 2, 2012
    Date of Patent: October 27, 2015
    Assignee: Dolby Laboratories Licensing Corporation
    Inventor: Michael D. Hoffmann
  • Publication number: 20140025389
    Abstract: An audio coding system uses mixing metadata to control the attenuation of a main audio program that is subsequently mixed with an associated audio program. The value of the attenuation is calculated by analyzing the estimated loudness of the main and associated audio programs.
    Type: Application
    Filed: April 2, 2012
    Publication date: January 23, 2014
    Applicant: DOLBY LABORATORIES LICENSING CORPORATION
    Inventor: Michael D. Hoffmann