Patents by Inventor Wolfgang Jaegers

Wolfgang Jaegers 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: 11250864
    Abstract: An apparatus for encoding audio information is provided. The apparatus for encoding audio information includes a selector for selecting a comfort noise generation mode from two or more comfort noise generation modes depending on a background noise characteristic of an audio input signal, and an encoding unit for encoding the audio information, wherein the audio information includes mode information indicating the selected comfort noise generation mode.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: February 15, 2022
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Emmanuel Ravelli, Martin Dietz, Wolfgang Jaegers, Christian Neukam, Stefan Reuschl
  • Patent number: 10861468
    Abstract: The apparatus for encoding a multi-channel signal having at least two channels, includes: a parameter determiner for determining a broadband alignment parameter and a plurality of narrowband alignment parameters from the multichannel signal; a signal aligner for aligning the at least two channels using the broadband alignment parameter and the plurality of narrowband alignment parameters to obtain aligned channels; a signal processor for calculating a mid-signal and a side signal using the aligned channels; a signal encoder for encoding the mid-signal to obtain an encoded mid-signal and for encoding the side signal to obtain an encoded side signal; and an output interface for generating an encoded multi-channel signal including the encoded mid-signal, the encoded side signal, information on the broadband alignment parameter and information on the plurality of narrowband alignment parameters.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: December 8, 2020
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Stefan Bayer, Eleni Fotopoulou, Markus Multrus, Guillaume Fuchs, Emmanuel Ravelli, Markus Schnell, Stefan Doehla, Wolfgang Jaegers, Martin Dietz, Goran Markovic
  • Patent number: 10854211
    Abstract: An apparatus for encoding a multi-channel signal including at least two channels includes a time-spectral converter for converting sequences of blocks of sampling values of the at least two channels into a frequency domain representation having sequences of blocks of spectral values for the at least two channels; a multi-channel processor for applying a joint multi-channel processing to the sequences of blocks of spectral values to obtain at least one result sequence of blocks of spectral values including information related to the at least two channels; a spectral-time converter for converting the result sequence of blocks of spectral values into a time domain representation including an output sequence of blocks of sampling values; and a core encoder for encoding the output sequence of blocks of sampling values to obtain an encoded multi-channel signal.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: December 1, 2020
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Guillaume Fuchs, Emmanuel Ravelli, Markus Multrus, Markus Schnell, Stefan Doehla, Martin Dietz, Goran Markovic, Eleni Fotopoulou, Stefan Bayer, Wolfgang Jaegers
  • Patent number: 10706861
    Abstract: An apparatus for estimating an inter-channel time difference between a first channel signal and a second channel signal, includes: a calculator for calculating a cross-correlation spectrum for a time block from the first channel signal in the time block and the second channel signal in the time block; a spectral characteristic estimator for estimating a characteristic of a spectrum of the first channel signal or the second channel signal for the time block; a smoothing filter for smoothing the cross-correlation spectrum over time using the spectral characteristic to obtain a smoothed cross-correlation spectrum; and a processor for processing the smoothed cross-correlation spectrum to obtain the inter-channel time difference.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: July 7, 2020
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der andgewandten Forschung e.V.
    Inventors: Stefan Bayer, Eleni Fotopoulou, Markus Multrus, Guillaume Fuchs, Emmanuel Ravelli, Markus Schnell, Stefan Doehla, Wolfgang Jaegers, Martin Dietz, Goran Markovic
  • Publication number: 20200020343
    Abstract: An approach is described that obtains spectrum coefficients for a replacement frame of an audio signal. A tonal component of a spectrum of an audio signal is detected based on a peak that exists in the spectra of frames preceding a replacement frame. For the tonal component of the spectrum a spectrum coefficients for the peak and its surrounding in the spectrum of the replacement frame is predicted, and for the non-tonal component of the spectrum a non-predicted spectrum coefficient for the replacement frame or a corresponding spectrum coefficient of a frame preceding the replacement frame is used.
    Type: Application
    Filed: September 26, 2019
    Publication date: January 16, 2020
    Inventors: Janine Sukowski, Ralph Sperschneider, Goran Markovic, Wolfgang Jaegers, Christian Helmrich, Bernd Edler, Ralf Geiger
  • Patent number: 10535356
    Abstract: An apparatus for encoding a multi-channel signal having at least two channels is provided. The apparatus includes a time-spectral converter, converting sequences of blocks of sample values of the two channels into a frequency domain representation having sequences of blocks of spectral values for the two channels, a block of sampling values having an associated input sampling rate, a block of spectral values of the sequences of blocks that has spectral values up to a maximum input frequency related to the input sampling rate; a multi-channel processor to obtain a result sequence of blocks of spectral values having information related to the two channels; a spectral domain resampler to obtain a resampled sequence of blocks of spectral values; a spectral-time converter for converting the resampled sequence of blocks into a time domain representation; and a core encoder for encoding the output sequence of blocks to obtain an encoded multi-channel signal.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: January 14, 2020
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Guillaume Fuchs, Emmanuel Ravelli, Markus Multrus, Markus Schnell, Stefan Doehla, Martin Dietz, Goran Markovic, Eleni Fotopoulou, Stefan Bayer, Wolfgang Jaegers
  • Patent number: 10475455
    Abstract: An approach is described that obtains spectrum coefficients for a replacement frame of an audio signal. A tonal component of a spectrum of an audio signal is detected based on a peak that exists in the spectra of frames preceding a replacement frame. For the tonal component of the spectrum a spectrum coefficients for the peak and its surrounding in the spectrum of the replacement frame is predicted, and for the non-tonal component of the spectrum a non-predicted spectrum coefficient for the replacement frame or a corresponding spectrum coefficient of a frame preceding the replacement frame is used.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: November 12, 2019
    Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
    Inventors: Janine Sukowski, Ralph Sperschneider, Goran Markovic, Wolfgang Jaegers, Christian Helmrich, Bernd Edler, Ralf Geiger
  • Patent number: 10431232
    Abstract: A method and an apparatus for synthesizing an audio signal are described. A spectral tilt is applied to the code of a codebook used for synthesizing a current frame of the audio signal. The spectral tilt is based on the spectral tilt of the current frame of the audio signal. Further, an audio decoder operating in accordance with the inventive approach is described.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: October 1, 2019
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Guillaume Fuchs, Tom Baeckstroem, Ralf Geiger, Wolfgang Jaegers, Emmanuel Ravelli
  • Patent number: 10424309
    Abstract: An apparatus for encoding a multi-channel signal including at least two channels includes a time-spectral converter for converting sequences of blocks of sampling values of the at least two channels into a frequency domain representation having sequences of blocks of spectral values for the at least two channels; a multi-channel processor for applying a joint multi-channel processing to the sequences of blocks of spectral values to obtain at least one result sequence of blocks of spectral values including information related to the at least two channels; a spectral-time converter for converting the result sequence of blocks of spectral values into a time domain representation including an output sequence of blocks of sampling values; and a core encoder for encoding the output sequence of blocks of sampling values to obtain an encoded multi-channel signal.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: September 24, 2019
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Guillaume Fuchs, Emmanuel Ravelli, Markus Multrus, Markus Schnell, Stefan Doehla, Martin Dietz, Goran Markovic, Eleni Fotopoulou, Stefan Bayer, Wolfgang Jaegers
  • Publication number: 20180330740
    Abstract: An apparatus for encoding a first channel and a second channel of an audio input signal including two or more channels to obtain an encoded audio signal according to an embodiment includes a normalizer configured to determine a normalization value for the audio input signal depending on the first channel of the audio input signal and depending on the second channel of the audio input signal. Moreover, the apparatus includes an encoding unit configured to generate a processed audio signal having a first channel and a second channel. The encoding unit is configured to encode the processed audio signal to obtain the encoded audio signal.
    Type: Application
    Filed: July 20, 2018
    Publication date: November 15, 2018
    Inventors: Emmanuel Ravelli, Markus Schnell, Stefan Doehla, Wolfgang Jaegers, Martin Dietz, Christian Helmrich, Goran Markovic, Eleni Fotopoulou, Markus Multrus, Stefan Bayer, Guillaume Fuchs, Juergen Herre
  • Patent number: 10089993
    Abstract: An apparatus for encoding audio information is provided. The apparatus for encoding audio information includes a selector for selecting a comfort noise generation mode from two or more comfort noise generation modes depending on a background noise characteristic of an audio input signal, and an encoding unit for encoding the audio information, wherein the audio information includes mode information indicating the selected comfort noise generation mode.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: October 2, 2018
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Emmanuel Ravelli, Martin Dietz, Wolfgang Jaegers, Christian Neukam, Stefan Reuschl
  • Publication number: 20180108361
    Abstract: An approach is described that obtains spectrum coefficients for a replacement frame of an audio signal. A tonal component of a spectrum of an audio signal is detected based on a peak that exists in the spectra of frames preceding a replacement frame. For the tonal component of the spectrum a spectrum coefficients for the peak and its surrounding in the spectrum of the replacement frame is predicted, and for the non-tonal component of the spectrum a non-predicted spectrum coefficient for the replacement frame or a corresponding spectrum coefficient of a frame preceding the replacement frame is used.
    Type: Application
    Filed: December 15, 2017
    Publication date: April 19, 2018
    Inventors: Janine Sukowski, Ralph Sperschneider, Goran Markovic, Wolfgang Jaegers, Christian Helmrich, Bernd Edler, Ralf Geiger
  • Patent number: 9916834
    Abstract: An approach is described that obtains spectrum coefficients for a replacement frame of an audio signal. A tonal component of a spectrum of an audio signal is detected based on a peak that exists in the spectra of frames preceding a replacement frame. For the tonal component of the spectrum a spectrum coefficients for the peak and its surrounding in the spectrum of the replacement frame is predicted, and for the non-tonal component of the spectrum a non-predicted spectrum coefficient for the replacement frame or a corresponding spectrum coefficient of a frame preceding the replacement frame is used.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: March 13, 2018
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Janine Sukowski, Ralph Sperschneider, Goran Markovic, Wolfgang Jaegers, Christian Helmrich, Bernd Edler, Ralf Geiger
  • Publication number: 20160104490
    Abstract: An approach is described that obtains spectrum coefficients for a replacement frame of an audio signal. A tonal component of a spectrum of an audio signal is detected based on a peak that exists in the spectra of frames preceding a replacement frame. For the tonal component of the spectrum a spectrum coefficients for the peak and its surrounding in the spectrum of the replacement frame is predicted, and for the non-tonal component of the spectrum a non-predicted spectrum coefficient for the replacement frame or a corresponding spectrum coefficient of a frame preceding the replacement frame is used.
    Type: Application
    Filed: December 21, 2015
    Publication date: April 14, 2016
    Inventors: Janine Sukowski, Ralph Sperschneider, Goran Markovic, Wolfgang Jaegers, Christian Helmrich, Bernd Edler, Ralf Geiger
  • Patent number: 9037457
    Abstract: An audio codec supporting both, time-domain and frequency-domain coding modes, having low-delay and an increased coding efficiency in terms of iterate/distortion ratio, is obtained by configuring the audio encoder such that same operates in different operating modes such that if the active operative mode is a first operating mode, a mode dependent set of available frame coding modes is disjoined to a first subset of time-domain coding modes, and overlaps with a second subset of frequency-domain coding modes, whereas if the active operating mode is a second operating mode, the mode dependent set of available frame coding modes overlaps with both subsets, i.e. the subset of time-domain coding modes as well as the subset of frequency-domain coding modes.
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: May 19, 2015
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Ralf Geiger, Konstantin Schmidt, Bernhard Grill, Manfred Lutzky, Michael Werner, Marc Gayer, Johannes Hilpert, Maria L. Valero, Wolfgang Jaegers
  • Publication number: 20130332174
    Abstract: An audio codec supporting both, time-domain and frequency-domain coding modes, having low-delay and an increased coding efficiency in terms of iterate/distortion ratio, is obtained by configuring the audio encoder such that same operates in different operating modes such that if the active operative mode is a first operating mode, a mode dependent set of available frame coding modes is disjoined to a first subset of time-domain coding modes, and overlaps with a second subset of frequency-domain coding modes, whereas if the active operating mode is a second operating mode, the mode dependent set of available frame coding modes overlaps with both subsets, i.e. the subset of time-domain coding modes as well as the subset of frequency-domain coding modes.
    Type: Application
    Filed: August 13, 2013
    Publication date: December 12, 2013
    Applicant: Fraunhofer-Gesellschaft Zur Forderung der Angewandten Forschung E.V.
    Inventors: Ralf Geiger, Konstantin Schmidt, Bernhard Grill, Manfred Lutzky, Michael Werner, Marc Gayer, Johannes Hilpert, Maria Luis Valero, Wolfgang Jaegers
  • Patent number: 6790737
    Abstract: A method for producing metal layers on surfaces of semiconductor substrates includes the step of providing a semiconductor substrate having a surface. In this case, a precursor compound of a metal to be deposited is condensed out on the semiconductor surface and subsequently decomposed thermally. The method makes it possible to fill trenches with a high aspect ratio, it being possible to effectively suppress the formation of voids.
    Type: Grant
    Filed: March 17, 2003
    Date of Patent: September 14, 2004
    Assignee: Infineon Technologies AG
    Inventors: Manfred Schneegans, Wolfgang Jaeger, Michael Rogalli
  • Publication number: 20030181037
    Abstract: A method for producing metal layers on surfaces of semiconductor substrates includes the step of providing a semiconductor substrate having a surface. In this case, a precursor compound of a metal to be deposited is condensed out on the semiconductor surface and subsequently decomposed thermally. The method makes it possible to fill trenches with a high aspect ratio, it being possible to effectively suppress the formation of voids.
    Type: Application
    Filed: March 17, 2003
    Publication date: September 25, 2003
    Inventors: Manfred Schneegans, Wolfgang Jaeger, Michael Rogalli
  • Patent number: 5900638
    Abstract: In a radiation protection arrangement for an x-ray diagnostics installation, at least one x-ray impenetrable strap is pivotably seated at a carrier, this being movable along a guide rail via the carrier. A brake arrangement for the carrier is provided which at least impedes movement of the carrier along the guide rail when the component of the installation on which the radiation protection arrangement is carried is adjusted in position. At least two x-ray impenetrable straps can be provided, each being pivotably seated at a carrier, whereby a formed part is provided in the region of the carrier which effects a diversion of each strap during pivoting. Each strap can be capable of being folded over and fixed in the folded-over condition, so that an opening to the examination region is produced.
    Type: Grant
    Filed: March 26, 1997
    Date of Patent: May 4, 1999
    Assignee: Siemens Aktiengesellschaft
    Inventors: Wolfgang Jaeger, Stefan Leidenberger, Rainer Kraemer
  • Patent number: 5633154
    Abstract: A method of locating insertion elements (IS elements) or transposons in coryneform bacteria, a positive selection system suitable for the above, the IS elements found in this manner and their use, is disclosed. The method involves:(1) The construction of a non-self-transferrable vector mobilizable from an E. coli mobilizer strain which vector is composed of(a) A DNA segment containing a replicon functional in E. coli,(b) A second DNA segment containing the DNA fragment coding for the mobilization function (Mob site containing the oriT),(c) A third DNA segment which recombines homologously in Gram-positive bacteria and/or contains a replicon functional in coryneform bacteria,(d) A DNA segment from Bacillus subtilis containing the sacB gene,(2) Transfer of this vector by means of conjugative transfer into the coryneform recipient strains,(3) Cultivation of the transconjugants containing the vector in an .about.
    Type: Grant
    Filed: November 4, 1994
    Date of Patent: May 27, 1997
    Assignee: Degussa Aktiengesellschaft
    Inventors: Andreas Schaefer, Anna-Hildegard Seep-Feldhaus, Wolfgang Jaeger, Joern Kalinowski, Wolfgang Wohlleben, Alfred Puehler