Invention Grant
- Patent Title: Control and protection of loudspeakers
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Application No.: US15650147Application Date: 2017-07-14
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Publication No.: US10349173B2Publication Date: 2019-07-09
- Inventor: Pär Gunnars Risberg , Erik Lindahl , Marcus Arvidsson , Daniel Stahre , Landy Toth
- Applicant: CIRRUS LOGIC INTERNATIONAL SEMICONDUCTOR LTD.
- Applicant Address: US TX Austin
- Assignee: CIRRUS LOGIC, INC.
- Current Assignee: CIRRUS LOGIC, INC.
- Current Assignee Address: US TX Austin
- Agency: Carter, DeLuca & Farrell LLP
- Main IPC: H04R3/00
- 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.
Public/Granted literature
- US20170318388A1 CONTROL AND PROTECTION OF LOUDSPEAKERS Public/Granted day:2017-11-02
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