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Automatic detection of the wearing style of a convertible headset |
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Microphone screen with common mode interference reduction |
Robert M. Khamashta, Dennis S. Fish |
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Acoustic signal level limiter for hearing safety |
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Method and device for noise control in a headset |
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Expander circuit with reduced distortion |
— |
2011-06-14 |
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Variable and shiftable acoustic output signal limiter |
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Spraying method of a dispense system |
— |
2003-09-02 |