Patents by Inventor Ulrich Horbach

Ulrich Horbach 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: 20200267494
    Abstract: A speaker assembly is provided having a plurality of transducers disposed on a speaker body and configured to produce an audio beam being steerable based on at least one audio beam parameter. A light assembly is arranged on the speaker body and configured to produce a light output that varies based at least one audio beam parameter. The light output varies to provide a visual reference as the audio beam is steered.
    Type: Application
    Filed: February 24, 2020
    Publication date: August 20, 2020
    Applicant: HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
    Inventors: Jason WALKER, Emil BADAL, Charles HILL, Ulrich HORBACH
  • Patent number: 10728666
    Abstract: A first array of speaker elements is disposed in a cylindrical configuration about an axis and configured to play back audio at a first range of frequencies. A second array of speaker elements is disposed in a cylindrical configuration about the axis and configured to play back audio at a second range of frequencies. A digital signal processor generates a first plurality of output channels from an input channel for the first frequencies, applies the output channels to the first array of speaker elements using a first rotation matrix to generate a first beam of audio content at a target angle about the axis, generates a second plurality of output channels from the input channel for the second frequencies, and applies the second output channels to the second array of speaker elements using a second rotation matrix to generate a second beam of audio content at the target angle.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: July 28, 2020
    Assignee: Harman International Industries, Incorporated
    Inventor: Ulrich Horbach
  • Patent number: 10708682
    Abstract: A sound system is provided with a headphone that includes a transducer and at least one microphone. The sound system also includes an equalization filter and a loop filter circuit. The equalization filter is adapted to equalize an audio input signal based on at least one predetermined coefficient. The loop filter circuit includes a leaky integrator circuit that is adapted to generate a filtered audio signal based on the equalized audio input signal and a feedback signal indicative of sound received by the at least one microphone, and to provide the filtered audio signal to the transducer.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: July 7, 2020
    Assignee: HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
    Inventor: Ulrich Horbach
  • Patent number: 10667071
    Abstract: A digital signal processor is programmed to extract a center channel from a stereo input, apply the center channel to an array of speaker elements using a first set of finite impulse response filters and a first rotation matrix to generate a first beam of audio content at a target angle about the axis, apply a left channel of the stereo input to the array of speaker elements using a second set of finite impulse response filters and a second rotation matrix to generate a second beam of audio content at a first offset angle from the target angle about the axis, and apply a right channel of the stereo input to the array of speaker elements using a third set of finite impulse response filters and third rotation matrix to generate a third beam of audio content at a second offset angle from the target angle about the axis.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: May 26, 2020
    Assignee: Harman International Industries, Incorporated
    Inventors: Ulrich Horbach, Matthias Kronlachner
  • Patent number: 10645516
    Abstract: An audio system is provided. The audio system has a first speaker assembly having a first steerable audio beam and a second speaker assembly having a second steerable audio beam. A control system is in communication with the first and second speaker assemblies and is programmed to receive a sweet-spot input signal indicative of a sweet-spot area having stereo surround sound. The controller commands the first and second speaker assemblies to adjust at least one of parameter of the first and second steerable audio beams so that the second steerable audio beam intersects the first steerable audio beam to form the sweet-spot area at the intersection.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: May 5, 2020
    Assignee: HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
    Inventors: Ulrich Horbach, Emil Badal, Charles Hill
  • Patent number: 10631115
    Abstract: A speaker assembly is provided having a plurality of transducers disposed on a speaker body and configured to produce an audio beam being steerable based on at least one audio beam parameter. A light assembly is arranged on the speaker body and configured to produce a light output that varies based at least one audio beam parameter. The light output varies to provide a visual reference as the audio beam is steered.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: April 21, 2020
    Assignee: HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
    Inventors: Jason Walker, Emil Badal, Charles Hill, Ulrich Horbach
  • Patent number: 10575115
    Abstract: A speaker assembly is provided having a plurality of transducers disposed on a speaker body and configured to produce an audio beam being steerable based on at least one audio beam parameter. A light assembly is arranged on the speaker body and configured to produce a light output that varies based at least one audio beam parameter. The light output varies to provide a visual reference as the audio beam is steered.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: February 25, 2020
    Assignee: HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
    Inventors: Jason Walker, Emil Badal, Charles Hill, Ulrich Horbach
  • Publication number: 20190373390
    Abstract: A digital signal processor is programmed to extract a center channel from a stereo input, apply the center channel to an array of speaker elements using a first set of finite impulse response filters and a first rotation matrix to generate a first beam of audio content at a target angle about the axis, apply a left channel of the stereo input to the array of speaker elements using a second set of finite impulse response filters and a second rotation matrix to generate a second beam of audio content at a first offset angle from the target angle about the axis, and apply a right channel of the stereo input to the array of speaker elements using a third set of finite impulse response filters and third rotation matrix to generate a third beam of audio content at a second offset angle from the target angle about the axis.
    Type: Application
    Filed: May 31, 2018
    Publication date: December 5, 2019
    Inventors: Ulrich HORBACH, Matthias KRONLACHNER
  • Publication number: 20190200132
    Abstract: A first array of speaker elements is disposed in a cylindrical configuration about an axis and configured to play back audio at a first range of frequencies. A second array of speaker elements is disposed in a cylindrical configuration about the axis and configured to play back audio at a second range of frequencies. A digital signal processor generates a first plurality of output channels from an input channel for the first frequencies, applies the output channels to the first array of speaker elements using a first rotation matrix to generate a first beam of audio content at a target angle about the axis, generates a second plurality of output channels from the input channel for the second frequencies, and applies the second output channels to the second array of speaker elements using a second rotation matrix to generate a second beam of audio content at the target angle.
    Type: Application
    Filed: August 31, 2017
    Publication date: June 27, 2019
    Applicant: HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
    Inventor: Ulrich HORBACH
  • Publication number: 20190191238
    Abstract: A sound system is provided with a headphone that includes a transducer and at least one microphone. The sound system also includes an equalization filter and a loop filter circuit. The equalization filter is adapted to equalize an audio input signal based on at least one predetermined coefficient. The loop filter circuit includes a leaky integrator circuit that is adapted to generate a filtered audio signal based on the equalized audio input signal and a feedback signal indicative of sound received by the at least one microphone, and to provide the filtered audio signal to the transducer.
    Type: Application
    Filed: February 22, 2019
    Publication date: June 20, 2019
    Applicant: Harman International Industries, Inc.
    Inventor: Ulrich HORBACH
  • Patent number: 10291979
    Abstract: A headphone is provided with a housing and a transducer. The housing has a baffle surface with a recess formed therein and an edge formed about a periphery of the baffle surface. The transducer disposed in the recess and supported by the housing. The headphone is also provided with an ear cushion and a sheet. The ear cushion has a base formed in an annular shape and connected to the housing about the edge and a contact surface spaced apart from the base to engage a portion of a user's head around an outer ear, wherein the ear cushion defines a cavity to collectively form an acoustic chamber with the user's head. The sheet is disposed over the baffle surface with a hole formed therethrough and aligned with the transducer. The sheet is also formed of a sound absorbent material to suppress sound reflections within the acoustic chamber.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: May 14, 2019
    Assignee: Harman International Industries Incorporated
    Inventors: Ulrich Horbach, Kevin Bailey
  • Patent number: 10219067
    Abstract: A sound system is provided with a headphone that includes a transducer and at least one microphone. The sound system also includes an equalization filter and a loop filter circuit. The equalization filter is adapted to equalize an audio input signal based on at least one predetermined coefficient. The loop filter circuit includes a leaky integrator circuit that is adapted to generate a filtered audio signal based on the equalized audio input signal and a feedback signal indicative of sound received by the at least one microphone, and to provide the filtered audio signal to the transducer.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: February 26, 2019
    Assignee: Harman International Industries, Incorporated
    Inventor: Ulrich Horbach
  • Patent number: 10104485
    Abstract: An apparatus for evaluating performance of a headphone assembly is provided with a base and a support having a proximal end extending from the base. The support includes a distal end that is adapted for supporting a headphone assembly, and the support includes a pair of opposing sides that are laterally spaced apart. The apparatus also includes a pair of plates and at least two microphones. Each plate is mounted to one of the opposing sides of the support, and includes a central portion with at least two apertures formed therein. The central portion is sized for receiving a headphone of the headphone assembly. Each microphone is disposed within one of the apertures and arranged such that an outer surface of the microphone is oriented substantially parallel to an outer surface of the plate and adapted for receiving sound emitted from the headphone.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: October 16, 2018
    Assignee: Harman International Industries, Incorporated
    Inventor: Ulrich Horbach
  • Publication number: 20180279062
    Abstract: An audio surround processing system receives an audio source signal having at least two audio channels and generates a number of additional surround sound signals in which an amount of artificially generated ambient energy is controlled in real-time at least in part by an estimate of ambient energy that is contained in the audio source signal. The system may divide the audio source signal into two sets of components; a first set of components and a second set of components. The first set of components may be in a range of frequency that is less than a range of frequency of the second set of components. An ambience estimate control coefficient may be generated using the transformed first set of components. An overall gain may be determined using the ambience estimate control coefficient. The overall gain may be used in generation of the additional surround sound signals.
    Type: Application
    Filed: May 25, 2018
    Publication date: September 27, 2018
    Inventors: Ulrich Horbach, Anandhi Ramesh
  • Patent number: 9986356
    Abstract: An audio surround processing system receives an audio source signal having at least two audio channels and generates a number of additional surround sound signals in which an amount of artificially generated ambient energy is controlled in real-time at least in part by an estimate of ambient energy that is contained in the audio source signal. The system may divide the audio source signal into two sets of components; a first set of components and a second set of components. The first set of components may be in a range of frequency that is less than a range of frequency of the second set of components. An ambience estimate control coefficient may be generated using the transformed first set of components. An overall gain may be determined using the ambience estimate control coefficient. The overall gain may be used in generation of the additional surround sound signals.
    Type: Grant
    Filed: February 15, 2012
    Date of Patent: May 29, 2018
    Assignee: Harman International Industries, Incorporated
    Inventors: Ulrich Horbach, Anandhi Ramesh
  • Patent number: 9973862
    Abstract: The invention is a multi-channel loudspeaker system that provides a compact loudspeaker configuration and filter design methodology that operates in the digital signal processing domain. Further, the loudspeaker system can be designed to include drivers of various physical dimensions and can achieve prescribed constant directivity over a large area in both the vertical and horizontal planes.
    Type: Grant
    Filed: April 30, 2012
    Date of Patent: May 15, 2018
    Assignee: APPLE INC.
    Inventor: Ulrich Horbach
  • Patent number: 9918177
    Abstract: A sound enhancement system (SES) that can enhance reproduction of sound emitted by headphones and other sound systems is disclosed. The SES improves sound reproduction by simulating a desired sound system without including unwanted artifacts typically associated with simulations of sound systems. The SES facilitates such improvements by transforming sound system outputs through a set of one or more binaural rendering filters derived from direct and indirect head-related transfer functions (HRTFs). Parameters of the binaural rendering filters are updated based on the head tracking angle of user wearing the headphones to render a stable stereo sound image. The head tracking angle may be determined from sensor data obtained from a digital gyroscope mounted in a headphone assembly.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: March 13, 2018
    Assignee: Harman International Industries, Incorporated
    Inventor: Ulrich Horbach
  • Publication number: 20180063664
    Abstract: An audio system is provided. The audio system has a first speaker assembly having a first steerable audio beam and a second speaker assembly having a second steerable audio beam. A control system is in communication with the first and second speaker assemblies and is programmed to receive a sweet-spot input signal indicative of a sweet-spot area having stereo surround sound. The controller commands the first and second speaker assemblies to adjust at least one of parameter of the first and second steerable audio beams so that the second steerable audio beam intersects the first steerable audio beam to form the sweet-spot area at the intersection.
    Type: Application
    Filed: August 31, 2017
    Publication date: March 1, 2018
    Applicant: HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
    Inventors: Ulrich Horbach, Emil Badal, Charles Hill
  • Publication number: 20180060025
    Abstract: A system for providing an audio interface at a mobile device is provided. The mobile device includes an interface programmed detect a loudspeaker system. The mobile device presents, via a user interface, a display screen to receive user input of sweet-spot commands. The mobile devices send sweet-spot parameters to the loudspeaker system in response to the sweet-spot commands.
    Type: Application
    Filed: August 31, 2017
    Publication date: March 1, 2018
    Applicant: HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
    Inventors: Charles Hill, Ulrich Horbach, Swetha Vivek
  • Publication number: 20180063665
    Abstract: A speaker assembly is provided having a plurality of transducers disposed on a speaker body and configured to produce an audio beam being steerable based on at least one audio beam parameter. A light assembly is arranged on the speaker body and configured to produce a light output that varies based at least one audio beam parameter. The light output varies to provide a visual reference as the audio beam is steered.
    Type: Application
    Filed: August 31, 2017
    Publication date: March 1, 2018
    Applicant: HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
    Inventors: Jason Walker, Emil Badal, Charles Hill, Ulrich Horbach