Sound insulation sleeve for microphone noise reduction and microphone structure

• Main Authors: SUN ZHENKUI, QIAO QIMING, LIU BING, HE YUNPENG, ZHANG FEI, GAO JUNXIAO
• Format: Patent
• Language: Chinese; English
• Published: 24.03.2020
• Subjects: DEAF-AID SETS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; PUBLIC ADDRESS SYSTEMS

A sound insulation sleeve for microphone noise reduction comprises a sound pickup cavity 1, the sound pickup cavity 1 is in a cone shape with openings at the two ends, a small bottom opening of the sound pickup cavity 1 is connected with a microphone containing cavity 4 with an opening in the top, and the sound pickup cavity 1 and the microphone containing cavity 4 are both formed by sound insulation materials in a surrounding mode. The invention further discloses a microphone structure which comprises the sound insulation sleeve and a microphone which is located in the microphone containing cavity 4, and a sound head of the microphone faces the joint of the pickup cavity 1 and the microphone containing cavity 4. According to the sound insulation sleeve, the conical pickup cavity is designed at the front end of the rubber sleeve; the front-end pickup effect of the microphone is effectively improved, the conical structure suppresses low-angle noise at the same time, the noise reductioneffect is obvious in the