Invention Grant
- Patent Title: Systems and methods of volume limiting
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Application No.: US15943064Application Date: 2018-04-02
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Publication No.: US10862446B2Publication Date: 2020-12-08
- Inventor: Aurelio Ramos
- Applicant: Sonos, Inc.
- Applicant Address: US CA Santa Barbara
- Assignee: Sonos, Inc.
- Current Assignee: Sonos, Inc.
- Current Assignee Address: US CA Santa Barbara
- Agency: Fortem IP LLP
- Agent Matthew Lincicum
- Main IPC: H03G3/00
- IPC: H03G3/00 ; H03G11/00 ; H03G3/30 ; H03G9/02 ; H03G7/00 ; H04R3/00 ; H04H40/54

Abstract:
Systems and methods for limiting volume in an audio playback device using a feedback controller are disclosed herein. In one example, a gain stage modulates gain of an audio signal based in part on feedback from a downstream limiter. The gain stage receives a first audio signal as well as a feedback signal from the feedback controller. Based at least in part on the feedback signal from the feedback controller, the gain stage modulates a gain of the first audio signal to provide a second audio signal. The second audio signal is delivered to the limiter, which limits the second audio signal to produce an output signal. The output signal is played back via a transducer. The feedback controller receives a gain reduction value from the limiter and determines a feedback signal to provide to the gain stage upstream of the limiter.
Public/Granted literature
- US20190305743A1 Systems and Methods of Volume Limiting Public/Granted day:2019-10-03
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