Patents by Inventor Friedrich Faubel
Friedrich Faubel 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).
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Publication number: 20240112690Abstract: Disclosed are systems, methods, and other implementations for noise suppression, including a method that includes obtaining a sound signal sample, determining a noise reduction profile, from a plurality of noise reduction profiles, for processing the obtained sound signal sample, and processing the sound signal sample with a machine learning system to produce a noise suppressed signal. The machine learning system implements (executes) a single machine learning model trained to controllably suppress noise in input sound signals according to the plurality of noise reduction profiles. The processing of the sound signal sample is performed according to the determined noise reduction profile.Type: ApplicationFiled: September 26, 2022Publication date: April 4, 2024Inventors: Friedrich Faubel, Jonas Jungclaussen, Markus Buck
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Publication number: 20240038249Abstract: A method for applying a watermark signal to a speech signal to prevent unauthorized use of speech signals, the method may include receiving an original speech signal; determining a corresponding spectrogram of the original speech signal; selecting a phase sequence of fixed frame length and uniform distribution; and generating an encoded watermark signal based on the corresponding spectrogram and phase sequence.Type: ApplicationFiled: July 27, 2022Publication date: February 1, 2024Applicant: CERENCE OPERATING COMPANYInventors: Friedrich FAUBEL, Jonas JUNGCLAUSSEN, Marcus GROEBER, Holger QUAST, Oliver VAN PORTEN, Markus FUNK
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Publication number: 20230128993Abstract: A siren detector identifies those frequencies at which a siren is active and a localizer localizes the siren based on those frequencies.Type: ApplicationFiled: March 5, 2021Publication date: April 27, 2023Inventors: Friedrich Faubel, Philipp Bulling, Nico Untereiner
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Publication number: 20220363261Abstract: A method detects presence of a multi-tone siren type in an acoustic signal. The multi-tone siren type is associated with one or more siren patterns, where each siren pattern includes a number of time patterns at corresponding frequencies. The method includes processing a number of frequency components of a frequency domain representation of the acoustic signal over time to determine a corresponding plurality of values. That processing includes determining, for each frequency component, a value characterizing a presence of a time pattern associated with at least one siren pattern. The method also includes processing the values according to the siren patterns to determine a detection result indicating whether the multi-tone siren type is present in the acoustic signal.Type: ApplicationFiled: January 5, 2021Publication date: November 17, 2022Inventors: Markus Buck, Julien Premont, Friedrich Faubel
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Patent number: 10996327Abstract: A system and method for detecting multi-tone sirens despite environmental noises that may be present obtains a microphone input signal, applies, in real time, a time-frequency analysis to the microphone input signal to determine a time-frequency representation, provides at least one multi-tone model that has a plurality of tone duration patterns, performs multi-tone siren detection on the time-frequency representation, the detection based on the at least one multi-tone model and factoring of doppler shifts, and generates a detection result that can be used in systems for automated vehicles.Type: GrantFiled: July 19, 2019Date of Patent: May 4, 2021Assignee: Cerence Operating CompanyInventors: Markus Buck, Julien Premont, Friedrich Faubel
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Patent number: 10650806Abstract: A method, computer program product, and computer system for transforming, by a computing device, a speech signal into a speech signal representation. A regression deep neural network may be trained with a cost function to minimize a mean squared error between actual values of the speech signal representation and estimated values of the speech signal representation, wherein the cost function may include one or more discriminative terms. Bandwidth of the speech signal may be extended by extending the speech signal representation of the speech signal using the regression deep neural network trained with the cost function that includes the one or more discriminative terms.Type: GrantFiled: April 23, 2018Date of Patent: May 12, 2020Assignee: Cerence Operating CompanyInventors: Friedrich Faubel, Jonas Sautter
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Publication number: 20200025904Abstract: A system and method for detecting multi-tone sirens despite environmental noises that may be present obtains a microphone input signal, applies, in real time, a time-frequency analysis to the microphone input signal to determine a time-frequency representation, provides at least one multi-tone model that has a plurality of tone duration patterns, performs multi-tone siren detection on the time-frequency representation, the detection based on the at least one multi-tone model and factoring of doppler shifts, and generates a detection result that can be used in systems for automated vehicles.Type: ApplicationFiled: July 19, 2019Publication date: January 23, 2020Applicant: Nuance Communications, Inc.Inventors: Markus BUCK, Julien PREMONT, Friedrich FAUBEL
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Patent number: 10481831Abstract: A method, computer program product, and computer system for receiving, by a computing device, an input signal. A first power spectral density estimate may be generated for a linear reverberant component associated with the input signal. A second power spectral density estimate may be generated for a non-linear reverberant component associated with the input signal. A power spectral density estimate may be generated by combining the first power spectral density estimate for the linear reverberant component and the second power spectral density estimate for the non-linear reverberant component. One or more parameters for at least one of the linear reverberant component and the non-linear reverberant component may be updated. One or more undesired signal components in an output signal resulting from the input signal may be reduced via residual echo suppression based upon, at least in part, updating the one or more parameters.Type: GrantFiled: October 2, 2017Date of Patent: November 19, 2019Assignee: NUANCE COMMUNICATIONS, INC.Inventors: Ingo Schalk-Schupp, Friedrich Faubel, Markus Buck, Naveen Kumar Desiraju, Tobias Wolff
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Patent number: 10477031Abstract: A method for residual echo suppression is provided. Embodiments may include receiving an original reference signal and applying a distortion function to the original reference signal to generate a second signal. Embodiments may include generating a non-linear signal from the distortion function that does not include linear components of the original reference signal. Embodiments may also include calculating a residual echo power of a linear component and a non-linear component, wherein the linear component is based upon the original reference signal and the non-linear component is based upon the non-linear signal. Embodiments may further include applying a room model to each of the original reference signal and the non-linear signal and estimating a power associated with the original reference signal and the non-linear signal. Embodiments may include calculating a combined echo power estimate as a weighted sum of a weighted original reference signal power and a weighted non-linear signal power.Type: GrantFiled: December 8, 2015Date of Patent: November 12, 2019Assignee: Nuance Communications, Inc.Inventors: Ingo Schalk-Schupp, Markus Buck, Friedrich Faubel
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Publication number: 20190325860Abstract: A method, computer program product, and computer system for transforming, by a computing device, a speech signal into a speech signal representation. A regression deep neural network may be trained with a cost function to minimize a mean squared error between actual values of the speech signal representation and estimated values of the speech signal representation, wherein the cost function may include one or more discriminative terms. Bandwidth of the speech signal may be extended by extending the speech signal representation of the speech signal using the regression deep neural network trained with the cost function that includes the one or more discriminative terms.Type: ApplicationFiled: April 23, 2018Publication date: October 24, 2019Inventors: FRIEDRICH FAUBEL, Jonas Sautter
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Patent number: 10453470Abstract: A system and method for speech enhancement of a portable electronic device. Embodiments may include receiving an audio signal at a portable electronic device having a first microphone and a second microphone. Embodiments may also include receiving an input from a proximity detector associated with the portable electronic device and controlling a processing component associated with at least one of the first microphone and the second microphone based upon, at least in part, the input from the proximity detector.Type: GrantFiled: December 11, 2014Date of Patent: October 22, 2019Assignee: Nuance Communications, Inc.Inventors: Friedrich Faubel, Tobias Wolff, Tim Haulick
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Publication number: 20190102108Abstract: A method, computer program product, and computer system for receiving, by a computing device, an input signal. A first power spectral density estimate may be generated for a linear reverberant component associated with the input signal. A second power spectral density estimate may be generated for a non-linear reverberant component associated with the input signal. A power spectral density estimate may be generated by combining the first power spectral density estimate for the linear reverberant component and the second power spectral density estimate for the non-linear reverberant component. One or more parameters for at least one of the linear reverberant component and the non-linear reverberant component may be updated. One or more undesired signal components in an output signal resulting from the input signal may be reduced via residual echo suppression based upon, at least in part, updating the one or more parameters.Type: ApplicationFiled: October 2, 2017Publication date: April 4, 2019Inventors: Ingo Schalk-Schupp, Friedrich Faubel, Markus Buck, Naveen Kumar Desiraju, Tobias Wolff
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Publication number: 20180268838Abstract: A system and method for speech enhancement of a portable electronic device. Embodiments may include receiving an audio signal at a portable electronic device having a first microphone and a second microphone. Embodiments may also include receiving an input from a proximity detector associated with the portable electronic device and controlling a processing component associated with at least one of the first microphone and the second microphone based upon, at least in part, the input from the proximity detector.Type: ApplicationFiled: December 11, 2014Publication date: September 20, 2018Inventors: FRIEDRICH FAUBEL, Tobias WOLFF, Tim HAULICK
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Patent number: 9865277Abstract: Methods and apparatus for dynamically suppressing low frequency non-speech audio events, such as road bumps, without suppressing speech formants. In exemplary embodiments of the invention, maximum powers in first and second windows are computed and used to determine whether dampening should be applied, and if so, to what extent.Type: GrantFiled: July 10, 2013Date of Patent: January 9, 2018Assignee: Nuance Communications, Inc.Inventors: Friedrich Faubel, Patrick B. Hannon, Kai Wenzler
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Publication number: 20160019910Abstract: Methods and apparatus for dynamically suppressing low frequency non-speech audio events, such as road bumps, without suppressing speech formants. In exemplary embodiments of the invention, maximum powers in first and second windows are computed and used to determine whether dampening should be applied, and if so, to what extent.Type: ApplicationFiled: July 10, 2013Publication date: January 21, 2016Applicant: Nuance Communications,Inc.Inventors: Friedrich FAUBEL, Patrick B. HANNON, Kai WENZLER
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Publication number: 20140316538Abstract: The invention relates to an assistance system (1, 25) for providing support in situation-dependent planning and/or guidance tasks of a controlled system (2), comprising a state detection unit (3) for detecting at least one state (5, 5a) of the controlled system (2), an acoustic receiving unit (9, 27), which is designed to receive acoustic voice signals of voice communication (24) between at least two persons (21, 22), and a voice processing unit (7), which is designed to detect voice information (10) regarding the controlled system (2) from the received acoustic voice signals, wherein the state detection unit (3) is designed to adapt the detected state (5) and/or a predicted state (5a) of the controlled system (2) that can be derived from the current state, according to the detected voice information (10).Type: ApplicationFiled: July 19, 2012Publication date: October 23, 2014Applicants: UNIVERSITAET DES SAARLANDES, DEUTSCHES ZENTRUM FUER LUFT- UND RAUMFAHRT E.V.Inventors: Juergen Rataj, Friedrich Faubel, Hartmut Helmke, Dietrich Klakow