目前由于录音MIC和GSM 天线比较靠近,没办法修改结构位置的余地了。录音的文件出来会有兹兹的电流声,从音频分析,初步判断是GSM 的217HZ的干扰辐射进去了,去掉MIC录音,也会有这段杂音,有没有办法滤掉。或者改善的机会。
附件音频,,
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