公开(公告)号：US12061838B2

公开(公告)日：2024-08-13

申请号：US17673456

申请日：2022-02-16

Applicant: Cirrus Logic International Semiconductor Ltd.

Inventor： Pär Gunnars Risberg ,  Carl Lennart Ståhl ,  Landy Toth

IPC: G06F3/16 ,  H04R3/00 ,  H04R3/04 ,  H04R29/00

CPC classification number: G06F3/165 ,  H04R3/002 ,  H04R3/04 ,  H04R29/001 ,  H04R3/007 ,  H04R2400/01 ,  H04R2430/01 ,  H04R2499/11

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.

公开(公告)号：US09894429B2

公开(公告)日：2018-02-13

申请号：US15159311

申请日：2016-05-19

Applicant: CIRRUS LOGIC INTERNATIONAL SEMICONDUCTOR LTD.

Inventor： Pär Gunnars Risberg ,  Landy Toth

IPC: H04R1/02 ,  H04R1/20 ,  H04R1/28 ,  H04R3/04 ,  H04R29/00 ,  H04R1/34

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.

公开(公告)号：US09736581B2

公开(公告)日：2017-08-15

申请号：US14430707

申请日：2013-09-24

Applicant: CIRRUS LOGIC INTERNATIONAL SEMICONDUCTOR LTD.

Inventor： Pär Gunnars Risberg ,  Erik Lindahl ,  Marcus Arvidsson ,  Daniel Karlsson ,  Landy Toth

IPC: H03G11/00 ,  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.