Wind/breath screen for a microphone

Details Wind/breath screen for a microphone Wind/breath screen for a microphone

1983-06-30

1986-02-18

Hix, L. T.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

179188, F01N 700

Patent

active

045707464

ABSTRACT:
An effective wind/breath screen for a microphone is described. The wind/breath screen includes a rigid perforated structure for enclosing the microphone. The microphone being physically isolated from the rigid perforated structure by a surrounding pad of air therebetween. A porous layer is utilized to enclose the rigid perforated structure thereby creating a pad of dead air between the microphone and the porous layer, whereby the speech signal reaches the microphone without substantial attenuation, and the wind/breath noise is suppressed. The present wind screen for a microphone is optimized for, and is particularly effective for voice data entry applications.

REFERENCES:
patent: 2346394 (1944-04-01), Rettinger
patent: 2520706 (1950-08-01), Anderson et al.
patent: 3154171 (1964-10-01), Knutson et al.

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