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AU8300198A
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Microphone plosive effects reduction techniques
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Microphone plosive effects reduction techniques
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Acoustic feedback elimination using adaptive notch filter algorithm
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Wireless electronic power defeat techniques
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Transmitter battery like indication apparatus and method
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Microphone windscreen mounting
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Microphone for use in a vibrating environment
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Microphone actuation control system
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Tubular bi-directional microphone with flared entries
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Diaphragm for dynamic microphones and methods of manufacturing the same
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GB8900074D0
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Microphone actuation control and noise adapting threshold circuits therefor suitable for teleconference systems
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GB8900075D0
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Microphone actuation control system suitable for teleconference systems
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Echo reduction circuit
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FR2612717A1
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MICROPHONE MOUNT FOR USE WITH A TRANSMISSION SYSTEM
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US4887693A
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Wind and breath noise protector for microphones
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US4862507A
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Microphone acoustical polar pattern converter
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Microphone actuation control system suitable for teleconference systems
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GB8606874D0
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Microphone actuation control system suitable for teleconference systems
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US4696036A
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Directional enhancement circuit
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Teleconference system
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