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公开(公告)号：US11221821B2
公开(公告)日：2022-01-11
申请号：US16957805
申请日：2018-12-03
摘要： From multiple audio objects in an audio scene, one or more audio objects of interest are identified. First audio signals associated with the plurality of objects are processed for provision to a user device. The processing may be based on a position of the user device in an audio scene. The processing may include combining the first audio signals associated with the audio objects to form combined first audio signals, modifying the amplitude of the combined first audio signals and limiting to a first level the maximum amplitude of the combined first audio signals. The processing also includes modifying the amplitude of one or more individual first audio signals, associated with the one or more audio objects of interest, the modifying the amplitude of one or more individual first audio signals being independent of that for the combined first audio signals.
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公开(公告)号：US20190138085A1
公开(公告)日：2019-05-09
申请号：US16012113
申请日：2018-06-19
发明人： Antti Johannes Eronen , Arto Juhani Lehtiniemi , Jussi Artturi Leppanen , Juha Henrik Arrasvuori
IPC分类号： G06F3/01 , G06F3/0482 , G06F3/0481
摘要： A method is disclosed including providing a plurality of sets of virtual reality video content, the sets representing respective three-dimensional virtual spaces within which a user can be immersed and being associated with respective three-dimensional portions of a real-world space such that, when rendered to a user device, there is a partial overlap between at least two virtual spaces defining one or more overlapping zones. The method may also include determining the position of a user device within the real-world space and rendering one or more of the virtual spaces, or representation(s) thereof, for display to the user device dependent on the determined position or movement within the real-world space.
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公开(公告)号：US20180367901A1
公开(公告)日：2018-12-20
申请号：US16009435
申请日：2018-06-15
摘要： This specification relates to a method including controlling an audio output of a first loudspeaker and one or more second loudspeakers based on a signal indicative of a detected position of a user's head on a headrest, the first loudspeaker being associated with the headrest, and wherein the one or more second loudspeakers are located away from the headrest.
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公开(公告)号：US20180359592A1
公开(公告)日：2018-12-13
申请号：US15618307
申请日：2017-06-09
摘要： Phase effect interference is determined at a listening location between signals from at least two audio objects; and a modified position is computed for at least one of the audio objects such that the determined phase effect interference at the listening location is altered as a result of the modified position. For each audio object for which the position is modified at least phase of at least one frequency component of the respective signal is adjusted in correspondence with the modified position so as to eliminate the determined phase effect interference. The signals from the at least two audio objects are formed after this adjusting; and then the formed signals are provided to a sound system comprising multiple audio transducers so as to render the formed signals at the listening position where the phase effect interference is eliminated during rendering.
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公开(公告)号：US20180338213A1
公开(公告)日：2018-11-22
申请号：US15596533
申请日：2017-05-16
发明人： Arto Juhani Lehtiniemi , Antti Johannes Eronen , Jussi Artturi Leppanen , Sujeet Shyamsundar Mate
CPC分类号： H04S7/303 , H04R3/005 , H04R2430/20 , H04S2400/11
摘要： A method including, identifying at least one object of interest (OOI), determining a plurality of microphones capturing sound from the at least one OOI, determining, for each of the plurality of microphones, a volume around the at least one OOI, determining a spatial audio volume based on associating each of the plurality of microphones to the volume around the at least one OOI, and generating a spatial audio scene based on the spatial audio volume for free-listening-point audio around the at least one OOI.
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公开(公告)号：US20180242096A1
公开(公告)日：2018-08-23
申请号：US15959382
申请日：2018-04-23
IPC分类号： H04S7/00
摘要： Embodiments of these teachings concern integrating a sound object such as an audio object recorded by, e.g., a lavalier microphone to a spatial audio signal. First the sound object is obtained and then a direction and an active duration of the sound object is determined. The spatial audio signal is compiled from audio signals of multiple microphones and could be pre-recorded and obtained after the fact. Then, using the determined direction, the sound object is integrated with the spatial audio signal over the active duration. If there are further moving sound sources to integrate the same procedure is followed for them all individually. One technique specifically shown herein to find the optimized direction and starting time is steered response power with phase transform weighting.
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公开(公告)号：US11696085B2
公开(公告)日：2023-07-04
申请号：US16957823
申请日：2018-12-14
IPC分类号： H04S7/00
CPC分类号： H04S7/304 , H04S7/306 , H04S2400/11
摘要： An apparatus, method and computer program, the apparatus including means for determining that perspective mediated content is available within content provided to a rendering device; and means for adding a notification to the content indicative that perspective mediated content is available; wherein the notification includes spatial audio effects added to the content.
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公开(公告)号：US11303689B2
公开(公告)日：2022-04-12
申请号：US15614811
申请日：2017-06-06
发明人： Sujeet Shyamsundar Mate , Arto Juhani Lehtiniemi , Antti Johannes Eronen , Jussi Artturi Leppanen
IPC分类号： H04L29/06 , H04L12/26 , H04N7/08 , H04N5/60 , G11B27/00 , H04L29/08 , H04L65/80 , H04L43/0852 , H04L65/613 , H04L65/60 , H04L67/52 , H04L67/131
摘要： A method including capturing, by a low latency monitoring device, content visualized in video rendering mode, capturing at least one parameter modified in the video rendering mode, determining at least one correction update message for modifying the captured content based on the at least one captured parameter modified in the video rendering mode, determining a content production stream based on the captured content, sending the content production stream to a receiver device, and sending the at least one correction update message to the receiver device, wherein the at least one correction update message is configured to be used by the receiver device to retroactively fix an audio rendering of the captured content based on aligning the content production stream and the at least one captured parameter modified in the video rendering mode.
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公开(公告)号：US10515472B2
公开(公告)日：2019-12-24
申请号：US15662489
申请日：2017-07-28
IPC分类号： G06T11/60 , G11B27/034 , H04N5/262 , G06K9/00 , G11B27/28 , H04N5/232 , H04N5/14 , H04N5/235
摘要： A method that receives a visual media item and determines an identity of at least one intended viewer of the visual media item is disclosed. The method may further identify a visual representation of an object that is comprised by the visual media item and determine a relevance of the object based, at least in part, on the identity. The method may further generate a modified visual media item such that the modified visual media item differs from the visual media item, at least, by visual emphasis of the visual representation of the object.
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公开(公告)号：US10425760B2
公开(公告)日：2019-09-24
申请号：US15959382
申请日：2018-04-23
摘要： Embodiments of these teachings concern integrating a sound object such as an audio object recorded by, e.g., a lavalier microphone to a spatial audio signal. First the sound object is obtained and then a direction and an active duration of the sound object is determined. The spatial audio signal is compiled from audio signals of multiple microphones and could be pre-recorded and obtained after the fact. Then, using the determined direction, the sound object is integrated with the spatial audio signal over the active duration. If there are further moving sound sources to integrate the same procedure is followed for them all individually. One technique specifically shown herein to find the optimized direction and starting time is steered response power with phase transform weighting.
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