Patents by Inventor Christopher Rowen
Christopher Rowen 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: 20250087215Abstract: Presented herein are techniques in which a device detecting a phrase spoken in an online collaboration session between a plurality of users, the phrase being spoken by a first user to one or more second users. The device determines that the phrase indicates an issue with a quality of user experience of the online collaboration session, labels a log of metrics associated with the online collaboration session with a time stamp corresponding to a time when the phrase was spoken; and performs one or more actions to improve the user experience based on detecting the phrase.Type: ApplicationFiled: November 26, 2024Publication date: March 13, 2025Inventors: Ali Mouline, Christopher Rowen, David Guoqing Zhang, Francis Anthony Kurupacheril
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Patent number: 12230262Abstract: Presented herein are techniques in which a device detecting a phrase spoken in an online collaboration session between a plurality of users, the phrase being spoken by a first user to one or more second users. The device determines that the phrase indicates an issue with a quality of user experience of the online collaboration session, labels a log of metrics associated with the online collaboration session with a time stamp corresponding to a time when the phrase was spoken, to provide a labeled log of metrics; and performs one or more actions to improve the user experience based on detecting the phrase.Type: GrantFiled: October 19, 2021Date of Patent: February 18, 2025Assignee: CISCO TECHNOLOGY, INC.Inventors: Ali Mouline, Christopher Rowen, David Guoqing Zhang, Francis Anthony Kurupacheril
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Publication number: 20240371392Abstract: Systems and methods are disclosed for audio enhancement. For example, methods may include accessing audio data; determining a window of audio samples based on the audio data; inputting the window of audio samples to a classifier to obtain a classification, in which the classifier includes a neural network and the classification takes a value from a set of multiple classes of audio; selecting, based on the classification, an audio enhancement network from a set of multiple audio enhancement networks; applying the selected audio enhancement network to the window of audio samples to obtain an enhanced audio segment, in which the selected audio enhancement network includes a neural network that has been trained using audio signals of a type associated with the classification; and storing, playing, or transmitting an enhanced audio signal based on the enhanced audio segment.Type: ApplicationFiled: July 15, 2024Publication date: November 7, 2024Inventors: Samer Hijazi, Xuehong Mao, Raul Alejandro Casas, Kamil Krzysztof Wojcicki, Dror Maydan, Christopher Rowen
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Patent number: 12073850Abstract: Systems and methods are disclosed for audio enhancement. For example, methods may include accessing audio data; determining a window of audio samples based on the audio data; inputting the window of audio samples to a classifier to obtain a classification, in which the classifier includes a neural network and the classification takes a value from a set of multiple classes of audio; selecting, based on the classification, an audio enhancement network from a set of multiple audio enhancement networks; applying the selected audio enhancement network to the window of audio samples to obtain an enhanced audio segment, in which the selected audio enhancement network includes a neural network that has been trained using audio signals of a type associated with the classification; and storing, playing, or transmitting an enhanced audio signal based on the enhanced audio segment.Type: GrantFiled: March 25, 2021Date of Patent: August 27, 2024Assignee: Cisco Technology, Inc.Inventors: Samer Hijazi, Xuehong Mao, Raul Alejandro Casas, Kamil Krzysztof Wojcicki, Dror Maydan, Christopher Rowen
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Patent number: 11916686Abstract: Systems and methods are disclosed for audio group identification for conferencing. For example, methods may include joining a conference call using a network interface; accessing an audio signal that has been captured using a microphone; detecting a control signal in the audio signal; and, responsive to detection of the control signal, invoking modification of an audio path of the conference call.Type: GrantFiled: November 1, 2022Date of Patent: February 27, 2024Assignee: Cisco Technology, Inc.Inventors: Raul Alejandro Casas, Marcin Ciolek, Samer Hijazi, Dror Maydan, Hua Mu, Erik Panu, Christopher Rowen
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Patent number: 11657830Abstract: Systems and methods are disclosed for data driven radio enhancement. For example, methods may include demodulating a radio signal to obtain a demodulated audio signal; determining a window of audio samples based on the demodulated audio signal; applying an audio enhancement network to the window of audio samples to obtain an enhanced audio segment, in which the audio enhancement network includes a machine learning network that has been trained using demodulated audio signals derived from radio signals; and storing, playing, or transmitting an enhanced audio signal based on the enhanced audio segment.Type: GrantFiled: January 26, 2021Date of Patent: May 23, 2023Assignee: BabbleLabs LLCInventors: Samer Hijazi, Kamil Krzysztof Wojcicki, Dror Maydan, Christopher Rowen
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Publication number: 20230129867Abstract: Systems and methods are disclosed for audio group identification for conferencing. For example, methods may include joining a conference call using a network interface; accessing an audio signal that has been captured using a microphone; detecting a control signal in the audio signal; and, responsive to detection of the control signal, invoking modification of an audio path of the conference call.Type: ApplicationFiled: November 1, 2022Publication date: April 27, 2023Inventors: Raul Alejandro Casas, Marcin Ciolek, Samer Hijazi, Dror Maydan, Hua Mu, Erik Panu, Christopher Rowen
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Publication number: 20230117129Abstract: Presented herein are techniques in which a device detecting a phrase spoken in an online collaboration session between a plurality of users, the phrase being spoken by a first user to one or more second users. The device determines that the phrase indicates an issue with a quality of user experience of the online collaboration session, labels a log of metrics associated with the online collaboration session with a time stamp corresponding to a time when the phrase was spoken, to provide a labeled log of metrics; and performs one or more actions to improve the user experience based on detecting the phrase.Type: ApplicationFiled: October 19, 2021Publication date: April 20, 2023Inventors: Ali Mouline, Christopher Rowen, David Guoqing Zhang, Francis Anthony Kurupacheril
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Publication number: 20220392478Abstract: An endpoint selectively enhances a captured audio signal based on an operating mode. The endpoint obtains an audio input signal of multiple users in a physical location. The audio input signal is captured by a microphone. The endpoint separates voice signals from the audio input signal and determines an operating mode for an audio output signal. The endpoint selectively adjusts each of the voice signals based on the operating mode to generate the audio output signal.Type: ApplicationFiled: September 10, 2021Publication date: December 8, 2022Inventors: Samer Lutfi Hijazi, Christopher Rowen, Xuehong Mao, Ivana M. Balic, Raul Alejandro Casas, Savita Kini
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Patent number: 11502860Abstract: Systems and methods are disclosed for audio group identification for conferencing. For example, methods may include joining a conference call using a network interface; accessing an audio signal that has been captured using a microphone; detecting a control signal in the audio signal; and, responsive to detection of the control signal, invoking modification of an audio path of the conference call.Type: GrantFiled: March 3, 2020Date of Patent: November 15, 2022Assignee: BabbleLabs LLCInventors: Raul Alejandro Casas, Samer Hijazi, Hua Mu, Marcin Ciolek, Dror Maydan, Christopher Rowen, Erik Panu
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Patent number: 11132619Abstract: Some embodiments perform, in a multi-layer neural network in a computing device, a convolution operation on input feature maps with multiple convolutional filters. The convolutional filters have multiple filter precisions. In other embodiments, electronic design automation (EDA) systems, methods, and computer-readable media are presented for adding such a multi-layer neural network into an integrated circuit (IC) design.Type: GrantFiled: February 24, 2017Date of Patent: September 28, 2021Assignee: Cadence Design Systems, Inc.Inventors: Raúl Alejandro Casas, Samer Lutfi Hijazi, Piyush Kaul, Rishi Kumar, Xuehong Mao, Christopher Rowen
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Publication number: 20210217436Abstract: Systems and methods are disclosed for audio enhancement. For example, methods may include accessing audio data; determining a window of audio samples based on the audio data; inputting the window of audio samples to a classifier to obtain a classification, in which the classifier includes a neural network and the classification takes a value from a set of multiple classes of audio; selecting, based on the classification, an audio enhancement network from a set of multiple audio enhancement networks; applying the selected audio enhancement network to the window of audio samples to obtain an enhanced audio segment, in which the selected audio enhancement network includes a neural network that has been trained using audio signals of a type associated with the classification; and storing, playing, or transmitting an enhanced audio signal based on the enhanced audio segment.Type: ApplicationFiled: March 25, 2021Publication date: July 15, 2021Inventors: Samer Hijazi, Xuehong Mao, Raul Alejandro Casas, Kamil Krzysztof Wojcicki, Dror Maydan, Christopher Rowen
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Publication number: 20210151069Abstract: Systems and methods are disclosed for data driven radio enhancement. For example, methods may include demodulating a radio signal to obtain a demodulated audio signal; determining a window of audio samples based on the demodulated audio signal; applying an audio enhancement network to the window of audio samples to obtain an enhanced audio segment, in which the audio enhancement network includes a machine learning network that has been trained using demodulated audio signals derived from radio signals; and storing, playing, or transmitting an enhanced audio signal based on the enhanced audio segment.Type: ApplicationFiled: January 26, 2021Publication date: May 20, 2021Inventors: Samer Hijazi, Kamil Krzysztof Wojcicki, Dror Maydan, Christopher Rowen
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Publication number: 20210144021Abstract: Systems and methods are disclosed for audio group identification for conferencing. For example, methods may include joining a conference call using a network interface; accessing an audio signal that has been captured using a microphone; detecting a control signal in the audio signal; and, responsive to detection of the control signal, invoking modification of an audio path of the conference call.Type: ApplicationFiled: March 3, 2020Publication date: May 13, 2021Inventors: Raul Alejandro Casas, Samer Hijazi, Hua Mu, Marcin Ciolek, Dror Maydan, Christopher Rowen, Erik Panu
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Patent number: 10997502Abstract: Some embodiments perform, in a multi-layer neural network in a computing device, optimization of the multi-layer neural network, for example by making a convolutional change with a first plurality of convolutional filters, or by making a connection change of a first plurality of convolutional filters. In other embodiments, electronic design automation (EDA) systems, methods, and computer-readable media are presented for adding such a multi-layer neural network into an integrated circuit (IC) design.Type: GrantFiled: April 13, 2017Date of Patent: May 4, 2021Assignee: Cadence Design Systems, Inc.Inventors: Raúl Alejandro Casas, Samer Lutfi Hijazi, Piyush Kaul, Rishi Kumar, Xuehong Mao, Christopher Rowen
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Patent number: 10991379Abstract: Systems and methods are disclosed for audio enhancement. For example, methods may include accessing audio data; determining a window of audio samples based on the audio data; inputting the window of audio samples to a classifier to obtain a classification, in which the classifier includes a neural network and the classification takes a value from a set of multiple classes of audio; selecting, based on the classification, an audio enhancement network from a set of multiple audio enhancement networks; applying the selected audio enhancement network to the window of audio samples to obtain an enhanced audio segment, in which the selected audio enhancement network includes a neural network that has been trained using audio signals of a type associated with the classification; and storing, playing, or transmitting an enhanced audio signal based on the enhanced audio segment.Type: GrantFiled: June 22, 2018Date of Patent: April 27, 2021Assignee: BabbleLabs LLCInventors: Samer Hijazi, Xuehong Mao, Raul Alejandro Casas, Kamil Krzysztof Wojcicki, Dror Maydan, Christopher Rowen
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Patent number: 10937443Abstract: Systems and methods are disclosed for data driven radio enhancement. For example, methods may include demodulating a radio signal to obtain a demodulated audio signal; determining a window of audio samples based on the demodulated audio signal; applying an audio enhancement network to the window of audio samples to obtain an enhanced audio segment, in which the audio enhancement network includes a machine learning network that has been trained using demodulated audio signals derived from radio signals; and storing, playing, or transmitting an enhanced audio signal based on the enhanced audio segment.Type: GrantFiled: September 4, 2018Date of Patent: March 2, 2021Assignee: BabbleLabs LLCInventors: Samer Hijazi, Kamil Krzysztof Wojcicki, Dror Maydan, Christopher Rowen
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Publication number: 20200075033Abstract: Systems and methods are disclosed for data driven radio enhancement. For example, methods may include demodulating a radio signal to obtain a demodulated audio signal; determining a window of audio samples based on the demodulated audio signal; applying an audio enhancement network to the window of audio samples to obtain an enhanced audio segment, in which the audio enhancement network includes a machine learning network that has been trained using demodulated audio signals derived from radio signals; and storing, playing, or transmitting an enhanced audio signal based on the enhanced audio segment.Type: ApplicationFiled: September 4, 2018Publication date: March 5, 2020Inventors: Samer Hijazi, Kamil Krzysztof Wojcicki, Dror Maydan, Christopher Rowen
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Patent number: 10534994Abstract: The present disclosure relates to a computer-implemented method for analyzing one or more hyper-parameters for a multi-layer computational structure. The method may include accessing, using at least one processor, input data for recognition. The input data may include at least one of an image, a pattern, a speech input, a natural language input, a video input, and a complex data set. The method may further include processing the input data using one or more layers of the multi-layer computational structure and performing matrix factorization of the one or more layers. The method may also include analyzing one or more hyper-parameters for the one or more layers based upon, at least in part, the matrix factorization of the one or more layers.Type: GrantFiled: November 11, 2015Date of Patent: January 14, 2020Assignee: Cadence Design Systems, Inc.Inventors: Piyush Kaul, Samer Lutfi Hijazi, Raul Alejandro Casas, Rishi Kumar, Xuehong Mao, Christopher Rowen
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Publication number: 20190392852Abstract: Systems and methods are disclosed for audio enhancement. For example, methods may include accessing audio data; determining a window of audio samples based on the audio data; inputting the window of audio samples to a classifier to obtain a classification, in which the classifier includes a neural network and the classification takes a value from a set of multiple classes of audio; selecting, based on the classification, an audio enhancement network from a set of multiple audio enhancement networks; applying the selected audio enhancement network to the window of audio samples to obtain an enhanced audio segment, in which the selected audio enhancement network includes a neural network that has been trained using audio signals of a type associated with the classification; and storing, playing, or transmitting an enhanced audio signal based on the enhanced audio segment.Type: ApplicationFiled: June 22, 2018Publication date: December 26, 2019Inventors: Samer Hijazi, Xuehong Mao, Raul Alejandro Casas, Kamil Krzysztof Wojcicki, Dror Maydan, Christopher Rowen