Passive sound pressure level limiter with balancing circuit

Passive sound pressure level limiter with balancing circuit

A passive sound pressure level (SPL) limiter (100) is provided that can be used with audio sources (101) of varying drive levels and headphones or earphones (109, 111) of varying sensitivity. The SPL limiter (100) includes a control circuit (103) and left and right channel limiting circuits, each of...

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Hauptverfasser: DYER, MEDFORD ALAN, WELSH, CHRISTOPHER TODD, BARR, JOSHUA JAMES, MICHEL, ALAN DEAN
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
CONTROL OF AMPLIFICATION
ELECTRICITY
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creator DYER, MEDFORD ALAN
WELSH, CHRISTOPHER TODD
BARR, JOSHUA JAMES
MICHEL, ALAN DEAN
description A passive sound pressure level (SPL) limiter (100) is provided that can be used with audio sources (101) of varying drive levels and headphones or earphones (109, 111) of varying sensitivity. The SPL limiter (100) includes a control circuit (103) and left and right channel limiting circuits, each of which includes a pair of FETS. The SPL limiter (100) includes a balancing circuit (113) that separates the control signal output by the control circuit into left and right channel control signals. The SPL limiter (100) may also include a microphone, for example integrated into an earpiece cable.
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subjects BASIC ELECTRONIC CIRCUITRY
CONTROL OF AMPLIFICATION
ELECTRICITY
title Passive sound pressure level limiter with balancing circuit
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