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视频会议终端插入话筒后出现很大的杂音

1、共测试了5台视频会议终端,客户反映只有其中一台表现正常。

2、YONGKEHUDEHUATONGJIERUSHIPINHUIYIZHONGDUANHOUQUESHICHUXIANLEHENDADEZAYIN,QIEYINZHICHUXIANSHIZHEN。GONGYOUSITAISHIPINHUIYIZHONGDUANCHUXIANCIZHUANGKUANG。ZHIYOUQIZHONGYITAIZHENGCHANG。

彩经网3、SHIYONGZIDAIDEHUATONG,ZAYINXIANXIANGMEIYOUCHUXIAN,RENHEYITAISHIPINHUIYIZHONGDUANDOUBIAOXIANZHENGCHANG。

彩经网4、KEYICHUBUDINGWEIWEIHUATONGGUZHANG。

5、JINGXUNWENKEHUDEHUATONGHEHUATONGXIANWEIZIBEI。ERQIEDABUFENDEHUATONGXIANSHIKEHUZIJIZUODE。

6、接入视频会议终端的D9头,我们发货的是三芯的,为双声道。客户自备的为单声道。

7、DAKAIHUATONGDEHANJIEDEJIEKOU,FAXIAND9(J1)TOUHEKANONGMUTOU(J2)JIEXIANYECUOWU。D9DE1,2,3,YINGGAIJIEKANONGMUTOUDE3,2,1,YINKEHUHUATONGJIETOUSHIDANSHENGDAODE,YINGWEID9DE1,3DUIYINGKANONGDE3,1。2WEIKONG,QIEKANONGTOUDE1YEMEIYOUTIAOJIEDIXIAN。DAOZHIZAYINHENDA。(XIANGJIANSHIPINHUIYIZHONGDUANPEIXIANZHIDAOSHU)

Start Point J1 End Point J2 Wire XINHAODINGYI

J1.1

J2.3

XINXIAN

XINHAO

J1.2

J2.2

XINXIAN

XINHAO

J1.3

J2.1

PINGBI

PGND

8、SHIYONGWOMENZIDAIDEHUATONGXIAN,GENGHUANSHIYONGKEHUZIJIDEHUATONG,WOMENHUATONGXIAOGUOMINGXIANYAOHAOYUKEHUZIBEIDEHUATONG。KEHUZIJIDEHUATONGSHENGYINBIJIAOCHENMEN。KEHUHUATONGYEWEIQUANXIANGHUATONG。


测试结论:

1、ZAIKEHUXIANCHANGZUOTOU,DUIYUZHENGQUEZUOTOUFANGFADENENGZHENGCHANGJIERU,QIEMEIYOUZAYINCHUXIAN;

彩经网2、JIBENDINGWEIGUZHANGYINGGAIQUEDINGSHIHUATONGHEHUATONGXIANJIETOUDEZUOFACUOWUZAOCHENGDE。

彩经网3、SUOYOUCESHIDESHIPINHUIYIZHONGDUANDOUZHENGCHANG,MEIYOUGUZHANG。

发布时间:2018-03-03 12:18:07   编辑:北京万歌恒宇