The utility model provides a dual audio telephone set with A weighting device including microphone, electret microphone, the electret microphone is provided with a A weighting filter network; the electret microphone converts the voice signal into electrical signal pickup and amplified, input to the A weighting filter the network, the A network is used to filter the noise weighting filter. The technical proposal of the utility model solves the problems of large noise and poor anti-interference ability of the double audio frequency telephone set.
【技术实现步骤摘要】
【技术保护点】
一种双音频话机用A计权传声器装置,包括驻极体传声器,其特征在于:所述驻极体传声器设置有A计权滤波网络;所述驻极体传声器将拾取到的声音信号转换为电信号并放大,输入到所述A计权滤波网络,所述A计权滤波网络用于滤除噪声。
【技术特征摘要】
【专利技术属性】
技术研发人员:田达亨,
申请(专利权)人:山东共达电声股份有限公司,
类型:实用新型
国别省市:
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