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公开(公告)号：US10599389B2
公开(公告)日：2020-03-24
申请号：US16202834
申请日：2018-11-28
Inventor： Pär Gunnars Risberg , Carl Lennart Stahl , Landy Toth
Abstract: A nonlinear control system and a speaker protection system are disclosed. In particular, a control system for adapting an audio output from a speaker in the proximity of an object is disclosed. The controller is configured to accept one or more input signals, and one or more estimated states produced by the model to produce one or more control signals. A speaker protection system and a quality control system are disclosed. More particularly, a system for clamping the input to a speaker dependent upon an estimate of the proximity, acoustic volume, and/or acoustic coupling of the speaker to a nearby object is disclosed.
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公开(公告)号：US10338883B2
公开(公告)日：2019-07-02
申请号：US15575244
申请日：2016-05-20
Inventor： Pär Gunnars Risberg , Carl Lennart Stahl , Landy Toth
Abstract: A nonlinear control system and a speaker protection system are disclosed. In particular, a control system for adapting an audio output from a speaker in the proximity of an object is disclosed. The controller is configured to accept one or more input signals, and one or more estimated states produced by the model to produce one or more control signals. A speaker protection system and a quality control system are disclosed. More particularly, a system for clamping the input to a speaker dependent upon an estimate of the proximity, acoustic volume, and/or acoustic coupling of the speaker to a nearby object is disclosed.
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公开(公告)号：US09900690B2
公开(公告)日：2018-02-20
申请号：US14430707
申请日：2013-09-24
Inventor： Pär Gunnars Risberg , Erik Lindahl , Marcus Arvidsson , Daniel Stahre , Landy Toth
Abstract: A nonlinear control system and a loudspeaker protection system. In particular, a nonlinear control system including a controller, an audio system, and a model is disclosed. The controller is configured to accept one or more input signals, and one or more estimated states produced by the model to produce one or more control signals. The audio system includes one or more transducers configured to accept the control signals to produce a rendered audio stream therefrom. An active loudspeaker with an integrated amplifier is disclosed. A loudspeaker protection system and a quality control system are disclosed. More particularly, a system for clamping the input to a loudspeaker dependent upon a bank of representative models is disclosed.
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公开(公告)号：US10349173B2
公开(公告)日：2019-07-09
申请号：US15650147
申请日：2017-07-14
Inventor： Pär Gunnars Risberg , Erik Lindahl , Marcus Arvidsson , Daniel Stahre , Landy Toth
IPC: H04R3/00
Abstract: A nonlinear control system and a loudspeaker protection system. In particular, a nonlinear control system including a controller, an audio system, and a model is disclosed. The controller is configured to accept one or more input signals, and one or more estimated states produced by the model to produce one or more control signals. The audio system includes one or more transducers configured to accept the control signals to produce a rendered audio stream therefrom. An active loudspeaker with an integrated amplifier is disclosed. A loudspeaker protection system and a quality control system are disclosed. More particularly, a system for clamping the input to a loudspeaker dependent upon a bank of representative models is disclosed.
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公开(公告)号：US09883305B2
公开(公告)日：2018-01-30
申请号：US15125877
申请日：2015-03-19
Inventor： Par Gunnars Risberg , Ylva Bjork , Ebba Wilhelmsson , Landy Toth
CPC classification number: H04R29/003 , H04R3/002 , H04R3/007 , H04R3/04 , H04R29/001
Abstract: A nonlinear control system includes a controller, a model updater, and a model. The controller is configured to accept one or more input signals, and one or more updates generated by the model updater to produce one or more control signals. The system is configured to drive one or more transducers with the control signals to produce a rendered audio stream therefrom. The model updater is configured to analysis one or more portions of the audio stream and to update one or more aspects of the controller so as to alter performance of the transducer.
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Patent Agency Ranking
公开(公告)号：US20170134854A1
公开(公告)日：2017-05-11
申请号：US15411466
申请日：2017-01-20
Inventor： Erik Lindahl , Ludvig Lindblom , Pär Gunnars Risberg , Landy Toth
CPC classification number: H04R3/04 , H03H17/0261 , H03H17/0283 , H03H17/0294 , H03H17/0621 , H04R2430/00 , H04R2430/03
Abstract: A multi-rate filter system is disclosed. More particularly, a computationally efficient multi-rate filter system for processing an audio stream on a consumer electronics device is disclosed. The multi-rate filter system includes a plurality of multi-rate filtering blocks, at least one block including a linear filter component. At least one multi-rate filtering block may include a nonlinear signal processing component. The multi-rate filter system may include a nonlinear functional block. A method of filtering a signal is also disclosed.
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公开(公告)号：US11379176B2
公开(公告)日：2022-07-05
申请号：US16789071
申请日：2020-02-12
Inventor： Pär Gunnars Risberg , Carl Lennart Ståhl , Landy Toth
Abstract: A nonlinear control system and a speaker protection system are disclosed. In particular, a control system for adapting an audio output from a speaker in the proximity of an object is disclosed. The controller is configured to accept one or more input signals, and one or more estimated states produced by the model to produce one or more control signals. A speaker protection system and a quality control system are disclosed. More particularly, a system for clamping the input to a speaker dependent upon an estimate of the proximity, acoustic volume, and/or acoustic coupling of the speaker to a nearby object is disclosed.
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公开(公告)号：US20180139498A1
公开(公告)日：2018-05-17
申请号：US15850834
申请日：2017-12-21
Inventor： Par Gunnars Risberg , Landy Toth
IPC: H04N21/436 , H04L29/06 , H04N21/439 , H04N21/442 , H04L29/08 , H04N7/10
CPC classification number: H04N21/43615 , H04L65/4076 , H04L65/60 , H04L65/601 , H04L65/80 , H04L67/104 , H04L69/24 , H04N7/106 , H04N21/439 , H04N21/44227
Abstract: A system and/or media network for rendering a media stream from one or more media rendering devices is disclosed. The media network may include one or more configurable peers, each configurable peer configurable as a rendering device, an observer, a processing device, a combination thereof, or the like. The system may be particularly suitable for use in remote locations, to generate a controlled and/or shared meeting topology within an uncontrolled media environment, and/or to generate an intense sound field amongst a group of participants from a collection of associated peers.
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公开(公告)号：US20180124484A1
公开(公告)日：2018-05-03
申请号：US15855764
申请日：2017-12-27
Inventor： Pär Gunnars Risberg , Landy Toth
CPC classification number: H04R1/025 , H04R1/021 , H04R1/028 , H04R1/2811 , H04R1/2815 , H04R1/2873 , H04R1/288 , H04R1/2896 , H04R1/345 , H04R3/04 , H04R29/001 , H04R2201/028 , H04R2201/029 , H04R2499/11 , H04R2499/15
Abstract: An integrated loudspeaker assembly along with associated methods and systems for enhancing audio output from a consumer electronic device including such an integrated loudspeaker assembly are disclosed. More particularly an integrated loudspeaker assembly configured to utilize the enclosure of an associated consumer electronic device for back volume is disclosed. Methods and systems for optimizing the audio performance of a consumer electronic device with an integrated loudspeaker assembly are also disclosed.
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公开(公告)号：US20170318388A1
公开(公告)日：2017-11-02
申请号：US15650147
申请日：2017-07-14
Inventor： Pär Gunnars Risberg , Erik Lindahl , Marcus Arvidsson , Daniel Karlsson , Landy Toth
IPC: H04R3/00
Abstract: A nonlinear control system and a loudspeaker protection system. In particular, a nonlinear control system including a controller, an audio system, and a model is disclosed. The controller is configured to accept one or more input signals, and one or more estimated states produced by the model to produce one or more control signals. The audio system includes one or more transducers configured to accept the control signals to produce a rendered audio stream therefrom. An active loudspeaker with an integrated amplifier is disclosed. A loudspeaker protection system and a quality control system are disclosed. More particularly, a system for clamping the input to a loudspeaker dependent upon a bank of representative models is disclosed.
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