传声器的检测和认证

Testing and Certification for Microphone

从传声器的工作原理入手,详细介绍了传声器被干扰的现象及产生的原因,从设计上提出了避免电磁兼容问题的方法,并分析了国内传声器检测和认证的现状,提出了实行传声器电磁兼容自愿认证的建议,以供广大传声器制造厂商和认证机构、检测机构参考。

From the working principle of microphone, the phenomenon and cause that the microphone is interfered are introduced in detail. It gives the way of avoiding the electromagnetic compatibility （EMC） from the view point of design and analyzes the present situation of testing and certificate for internal microphone. At the same time, recommendations are made to implement voluntary certification for EMC of the microphone which will be consulted by the microphone manufacturers and certification bodies, inspection bodies.