Patents by Inventor Adrian Murtaza
Adrian Murtaza 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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Patent number: 11949957Abstract: A method and a system for virtual reality, augmented reality, mixed reality, or 360-degree Video environment is disclosed. The system receives Video Streams associated to audio and video scenes to be reproduced and Audio Streams associated to audio and video scenes to be reproduced. There are provided a Video decoder which decodes signal from the Video Stream for the representation of the audio and video scene; an Audio decoder which decodes signal from the Audio Stream for the representation of the audio and video scene to the user; and a region of interest processor deciding, based e.g. on the user's viewport, head orientation, movement data, or metadata, whether an Audio information message is to be reproduced. At the decision, the reproduction of the Audio information message is caused.Type: GrantFiled: February 20, 2023Date of Patent: April 2, 2024Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Inventors: Adrian Murtaza, Harald Fuchs, Bernd Czelhan, Jan Plogsties
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Patent number: 11875804Abstract: A decoder for generating an audio output signal having one or more audio output channels is provided, having a receiving interface for receiving an audio input signal having a plurality of audio object signals, for receiving loudness information on the audio object signals, and for receiving rendering information indicating whether one or more of the audio object signals shall be amplified or attenuated, further having a signal processor for generating the one or more audio output channels of the audio output signal, configured to determine a loudness compensation value depending on the loudness information and depending on the rendering information, and configured to generate the one or more audio output channels of the audio output signal from the audio input signal depending on the rendering information and depending on the loudness compensation value. One or more by-pass audio object signals are employed for generating the audio output signal. Moreover, an encoder is provided.Type: GrantFiled: July 12, 2022Date of Patent: January 16, 2024Inventors: Jouni Paulus, Sascha Disch, Harald Fuchs, Bernhard Grill, Oliver Hellmuth, Adrian Murtaza, Falko Ridderbusch, Leon Terentiv
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Publication number: 20230370684Abstract: A method and a system for virtual reality, augmented reality, mixed reality, or 360-degree Video environment is disclosed. The system receives Video Streams associated to audio and video scenes to be reproduced and Audio Streams associated to audio and video scenes to be reproduced. There are provided a Video decoder which decodes signal from the Video Stream for the representation of the audio and video scene; an Audio decoder which decodes signal from the Audio Stream for the representation of the audio and video scene to the user; and a region of interest processor deciding, based e.g. on the user’s viewport, head orientation, movement data, or metadata, whether an Audio information message is to be reproduced. At the decision, the reproduction of the Audio information message is caused.Type: ApplicationFiled: February 20, 2023Publication date: November 16, 2023Inventors: Adrian MURTAZA, Harald FUCHS, Bernd CZELHAN, Jan PLOGSTIES
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Publication number: 20230306973Abstract: A decoder for generating an audio output signal having one or more audio output channels includes a receiving interface for receiving an audio input signal including a plurality of audio object signals, for receiving loudness information on the audio object signals, and for receiving rendering information indicating whether one or more of the audio object signals shall be amplified or attenuated. Moreover, the decoder includes a signal processor for generating the one or more audio output channels of the audio output signal. The signal processor is configured to determine a loudness compensation value depending on the loudness information and depending on the rendering information. Furthermore, the signal processor is configured to generate the one or more audio output channels of the audio output signal from the audio input signal depending on the rendering information and depending on the loudness compensation value. Moreover, an encoder is provided.Type: ApplicationFiled: May 9, 2023Publication date: September 28, 2023Inventors: Jouni Paulus, Sascha Disch, Harald Fuchs, Bernhard Grill, Oliver Hellmuth, Adrian Murtaza, Falko Ridderbusch, Leon Terentiv
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Patent number: 11688407Abstract: A decoder for generating an audio output signal having one or more audio output channels includes a receiving interface for receiving an audio input signal including a plurality of audio object signals, for receiving loudness information on the audio object signals, and for receiving rendering information indicating whether one or more of the audio object signals shall be amplified or attenuated. Moreover, the decoder includes a signal processor for generating the one or more audio output channels of the audio output signal. The signal processor is configured to determine a loudness compensation value depending on the loudness information and depending on the rendering information. Furthermore, the signal processor is configured to generate the one or more audio output channels of the audio output signal from the audio input signal depending on the rendering information and depending on the loudness compensation value. Moreover, an encoder is provided.Type: GrantFiled: December 8, 2020Date of Patent: June 27, 2023Inventors: Jouni Paulus, Sascha Disch, Harald Fuchs, Bernhard Grill, Oliver Hellmuth, Adrian Murtaza, Falko Ridderbusch, Leon Terentiv
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Patent number: 11617016Abstract: A method and a system for virtual reality, augmented reality, mixed reality, or 360-degree Video environment is disclosed. The system receives Video Streams associated to audio and video scenes to be reproduced and Audio Streams associated to audio and video scenes to be reproduced. There are provided a Video decoder which decodes signal from the Video Stream for the representation of the audio and video scene; an Audio decoder which decodes signal from the Audio Stream for the representation of the audio and video scene to the user; and a region of interest processor deciding, based e.g. on the user's viewport, head orientation, movement data, or metadata, whether an Audio information message is to be reproduced. At the decision, the reproduction of the Audio information message is caused.Type: GrantFiled: April 7, 2021Date of Patent: March 28, 2023Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Inventors: Adrian Murtaza, Harald Fuchs, Bernd Czelhan, Jan Plogsties
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Publication number: 20220351736Abstract: A decoder for generating an audio output signal having one or more audio output channels is provided, having a receiving interface for receiving an audio input signal having a plurality of audio object signals, for receiving loudness information on the audio object signals, and for receiving rendering information indicating whether one or more of the audio object signals shall be amplified or attenuated, further having a signal processor for generating the one or more audio output channels of the audio output signal, configured to determine a loudness compensation value depending on the loudness information and depending on the rendering information, and configured to generate the one or more audio output channels of the audio output signal from the audio input signal depending on the rendering information and depending on the loudness compensation value. One or more by-pass audio object signals are employed for generating the audio output signal. Moreover, an encoder is provided.Type: ApplicationFiled: July 12, 2022Publication date: November 3, 2022Inventors: Jouni Paulus, Sascha Disch, Harald Fuchs, Bernhard Grill, Oliver Hellmuth, Adrian Murtaza, Falko Ridderbusch, Leon Terentiv
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Patent number: 11423914Abstract: A decoder for generating an audio output signal having one or more audio output channels is provided, having a receiving interface for receiving an audio input signal having a plurality of audio object signals, for receiving loudness information on the audio object signals, and for receiving rendering information indicating whether one or more of the audio object signals shall be amplified or attenuated, further having a signal processor for generating the one or more audio output channels of the audio output signal, configured to determine a loudness compensation value depending on the loudness information and depending on the rendering information, and configured to generate the one or more audio output channels of the audio output signal from the audio input signal depending on the rendering information and depending on the loudness compensation value. One or more by-pass audio object signals are employed for generating the audio output signal. Moreover, an encoder is provided.Type: GrantFiled: May 26, 2020Date of Patent: August 23, 2022Inventors: Jouni Paulus, Sascha Disch, Harald Fuchs, Bernhard Grill, Oliver Hellmuth, Adrian Murtaza, Falko Ridderbusch, Leon Terentiv
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Publication number: 20220261215Abstract: There are disclosed techniques, systems, methods and instructions for a virtual reality, VR, augmented reality, AR, mixed reality, MR, or 360-degree video environment. In one example, the system includes at least one media video decoder configured to decode video signals from video streams for the representation of VR, AR, MR or 360-degree video environment scenes to a user. The system includes at least one audio decoder configured to decode audio signals from at least one audio stream. The system is configured to request at least one audio stream and/or one audio element of an audio stream and/or one adaptation set to a server on the basis of at least the user's current viewport and/or head orientation and/or movement data and/or interaction metadata and/or virtual positional data.Type: ApplicationFiled: May 2, 2022Publication date: August 18, 2022Inventors: Adrian MURTAZA, Harald FUCHS, Bernd CZELHAN, Jan PLOGSTIES, Matteo AGNELLI, Ingo HOFMANN
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Patent number: 11381925Abstract: A multi-channel decorrelator for providing a plurality of decorrelated signals on the basis of a plurality of decorrelator input signals is configured to premix a first set of N decorrelator input signals into a second set of K decorrelator input signals, wherein K<N. The multi-channel decorrelator is configured to provide a first set of K? decorrelator output signals on the basis of the second set of K decorrelator input signals. The multi-channel decorrelator is further configured to upmix the first set of K? decorrelator output signals into a second set of N? decorrelator output signals, wherein N?>K?. The multi-channel decorrelator can be used in a multi-channel audio decoder. A multi-channel audio encoder provides complexity control information for the multi-channel decorrelator.Type: GrantFiled: April 25, 2016Date of Patent: July 5, 2022Assignee: Fraunhofer-Gesellschaft zur Foerderang der angewandten Forschung e.V.Inventors: Sascha Disch, Harald Fuchs, Oliver Hellmuth, Juergen Herre, Adrian Murtaza, Jouni Paulus, Falko Ridderbusch, Leon Terentiv
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Patent number: 11354084Abstract: There are disclosed techniques, systems, methods and instructions for a virtual reality, VR, augmented reality, AR, mixed reality, MR, or 360-degree video environment. In one example, the system includes at least one media video decoder configured to decode video signals from video streams for the representation of VR, AR, MR or 360-degree video environment scenes to a user. The system includes at least one audio decoder configured to decode audio signals from at least one audio stream. The system is configured to request at least one audio stream and/or one audio element of an audio stream and/or one adaptation set to a server on the basis of at least the user's current viewport and/or head orientation and/or movement data and/or interaction metadata and/or virtual positional data.Type: GrantFiled: April 10, 2020Date of Patent: June 7, 2022Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.Inventors: Adrian Murtaza, Harald Fuchs, Bernd Czelhan, Jan Plogsties, Matteo Agnelli, Ingo Hofmann
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Publication number: 20220167102Abstract: A multi-channel decorrelator for providing a plurality of decorrelated signals on the basis of a plurality of decorrelator input signals is configured to premix a first set of N decorrelator input signals into a second set of K decorrelator input signals, wherein K<N. The multi-channel decorrelator is configured to provide a first set of K? decorrelator output signals on the basis of the second set of K decorrelator input signals. The multi-channel decorrelator is further configured to upmix the first set of K? decorrelator output signals into a second set of N? decorrelator output signals, wherein N?>K?. The multi-channel decorrelator can be used in a multi-channel audio decoder. A multi-channel audio encoder provides complexity control information for the multi-channel decorrelator.Type: ApplicationFiled: August 27, 2021Publication date: May 26, 2022Inventors: Sascha DISCH, Harald FUCHS, Oliver HELLMUTH, Juergen HERRE, Adrian MURTAZA, Jouni PAULUS, Falko RIDDERBUSCH, Leon TERENTIV
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Patent number: 11330386Abstract: An apparatus for generating one or more audio output channels is provided. The apparatus includes a parameter processor for calculating output channel mixing information and a downmix processor for generating the one or more audio output channels. The downmix processor is configured to receive an audio transport signal including one or more audio transport channels, wherein two or more audio object signals are mixed within the audio transport signal, and wherein the number of the one or more audio transport channels is smaller than the number of the two or more audio object signals. The audio transport signal depends on a first mixing rule and on a second mixing rule. The first mixing rule indicates how to mix the two or more audio object signals to obtain a plurality of premixed channels. Moreover, the second mixing rule indicates how to mix the plurality of premixed channels.Type: GrantFiled: May 21, 2020Date of Patent: May 10, 2022Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Sascha Disch, Harald Fuchs, Oliver Hellmuth, Juergen Herre, Adrian Murtaza, Jouni Paulus, Falko Ridderbusch, Leon Terentiv
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Publication number: 20220101867Abstract: Audio encoder for encoding audio input data to obtain audio output data includes an input interface for receiving a plurality of audio channels, a plurality of audio objects and metadata related to one or more of the plurality of audio objects; a mixer for mixing the plurality of objects and the plurality of channels to obtain a plurality of pre-mixed channels, each pre-mixed channel including audio data of a channel and audio data of at least one object; a core encoder for core encoding core encoder input data; and a metadata compressor for compressing the metadata related to the one or more of the plurality of audio objects, wherein the audio encoder is configured to operate in at least one mode of the group of two modes.Type: ApplicationFiled: December 13, 2021Publication date: March 31, 2022Inventors: Alexander ADAMI, Christian BORSS, Sascha DICK, Christian ERTEL, Simone NEUKAM, Juergen HERRE, Johannes HILPERT, Andreas HOELZER, Michael KRATSCHMER, Fabian KUECH, Achim KUNTZ, Adrian MURTAZA, Jan PLOGSTIES, Andreas SILZLE, Hanne STENZEL
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Patent number: 11252523Abstract: A multi-channel decorrelator for providing a plurality of decorrelated signals on the basis of a plurality of decorrelator input signals is configured to premix a first set of N decorrelator input signals into a second set of K decorrelator input signals, wherein K<N. The multi-channel decorrelator is configured to provide a first set of K? decorrelator output signals on the basis of the second set of K decorrelator input signals. The multi-channel decorrelator is further configured to upmix the first set of K? decorrelator output signals into a second set of N? decorrelator output signals, wherein N?>K?. The multi-channel decorrelator can be used in a multi-channel audio decoder. A multi-channel audio encoder provides complexity control information for the multi-channel decorrelator.Type: GrantFiled: December 20, 2018Date of Patent: February 15, 2022Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Sascha Disch, Harald Fuchs, Oliver Hellmuth, Juergen Herre, Adrian Murtaza, Jouni Paulus, Falko Ridderbusch, Leon Terentiv
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Patent number: 11240619Abstract: A multi-channel decorrelator for providing a plurality of decorrelated signals on the basis of a plurality of decorrelator input signals is configured to premix a first set of N decorrelator input signals into a second set of K decorrelator input signals, wherein K<N. The multi-channel decorrelator is configured to provide a first set of K? decorrelator output signals on the basis of the second set of K decorrelator input signals. The multi-channel decorrelator is further configured to upmix the first set of K? decorrelator output signals into a second set of N? decorrelator output signals, wherein N?>K?. The multi-channel decorrelator can be used in a multi-channel audio decoder. A multi-channel audio encoder provides complexity control information for the multi-channel decorrelator.Type: GrantFiled: April 25, 2016Date of Patent: February 1, 2022Assignee: Fraunhofer-Gesellschaft zur Foerderang der angewandten Forschung e.V.Inventors: Sascha Disch, Harald Fuchs, Oliver Hellmuth, Juergen Herre, Adrian Murtaza, Jouni Paulus, Falko Ridderbusch, Leon Terentiv
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Patent number: 11227616Abstract: Audio encoder for encoding audio input data to obtain audio output data includes an input interface for receiving a plurality of audio channels, a plurality of audio objects and metadata related to one or more of the plurality of audio objects; a mixer for mixing the plurality of objects and the plurality of channels to obtain a plurality of pre-mixed channels, each pre-mixed channel including audio data of a channel and audio data of at least one object; a core encoder for core encoding core encoder input data; and a metadata compressor for compressing the metadata related to the one or more of the plurality of audio objects, wherein the audio encoder is configured to operate in at least one mode of the group of two modes.Type: GrantFiled: February 15, 2019Date of Patent: January 18, 2022Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Alexander Adami, Christian Borss, Sascha Dick, Christian Ertel, Simone Neukam, Juergen Herre, Johannes Hilpert, Andreas Hoelzer, Michael Kratschmer, Fabian Kuech, Achim Kuntz, Adrian Murtaza, Jan Plogsties, Andreas Silzle, Hanne Stenzel
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Publication number: 20210306683Abstract: A method and a system for virtual reality, augmented reality, mixed reality, or 360-degree Video environment is disclosed. The system receives Video Streams associated to audio and video scenes to be reproduced and Audio Streams associated to audio and video scenes to be reproduced. There are provided a Video decoder which decodes signal from the Video Stream for the representation of the audio and video scene; an Audio decoder which decodes signal from the Audio Stream for the representation of the audio and video scene to the user; and a region of interest processor deciding, based e.g. on the user's viewport, head orientation, movement data, or metadata, whether an Audio information message is to be reproduced. At the decision, the reproduction of the Audio information message is caused.Type: ApplicationFiled: April 7, 2021Publication date: September 30, 2021Inventors: Adrian MURTAZA, Harald FUCHS, Bernd CZELHAN, Jan PLOGSTIES
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Patent number: 11115770Abstract: A multi-channel decorrelator for providing a plurality of decorrelated signals on the basis of a plurality of decorrelator input signals is configured to premix a first set of N decorrelator input signals into a second set of K decorrelator input signals, wherein K<N. The multi-channel decorrelator is configured to provide a first set of K? decorrelator output signals on the basis of the second set of K decorrelator input signals. The multi-channel decorrelator is further configured to upmix the first set of K? decorrelator output signals into a second set of N? decorrelator output signals, wherein N?>K?. The multi-channel decorrelator can be used in a multi-channel audio decoder. A multi-channel audio encoder provides complexity control information for the multi-channel decorrelator.Type: GrantFiled: January 22, 2016Date of Patent: September 7, 2021Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Sascha Disch, Harald Fuchs, Oliver Hellmuth, Juergen Herre, Adrian Murtaza, Jouni Paulus, Falko Ridderbusch, Leon Terentiv
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Patent number: 11004455Abstract: An apparatus for processing an encoded audio signal having a plurality of downmix signals associated with a plurality of input audio objects and object parameters. The apparatus includes a grouper configured to group the downmix signals into groups of downmix signals associated with a set of input audio objects. The apparatus includes a processor configured to perform at least one processing step individually on the object parameters of each set of input audio objects in order to provide group results. Further, there is a combiner configured to combine the group results or processed group results in order to provide a decoded audio signal. The invention also refers to a corresponding method.Type: GrantFiled: November 22, 2019Date of Patent: May 11, 2021Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Adrian Murtaza, Jouni Paulus, Harald Fuchs, Roberta Camilleri, Leon Terentiv, Sascha Disch, Juergen Herre, Oliver Hellmuth