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助听器的主要技术指标是什么

发布时间:2020-04-14作者:助听器点击:458字号:

  要了解助听器的声学效果,首先要对听感特性的技术指标进行分析。主要的技术指标包括增益、频率响应、zui大声输出、失真、等级输入噪声和动态范围等,这些技术指标均可通过分析仪测出。

  1. SHENGZENGYI

  ZHUTINGQIDEFANGDALVYONGZENGYILAIBIAOSHI,JIERJISHUCHUSHENGYAJIYUCHUANSHENGQISHURUSHENGYAJIDECHAZHI。LIRU:SHURU60dBSHUCHU130dB,ZENGYI=130-60=70dB。ZENGYIHUISUIYINLIANGDEKONGZHIERGAIBIAN。

  2. PINLVXIANGYING

  ZHUTINGQISHUCHUZENGYIDEBIANHUASUISHURUXINHAOPINLVBIANHUADEGUANXIQUXIANCHENGWEIPINXIANGQUXIAN。ZHEISHANGPINXIANGQUXIANBUSHIGENJUzuiDAZENGYIDECHUDE。RENERDETINGJUEFANWEISHI20-20000Hz,YUYANPINLVFANWEIWEI500-2000Hz,SHIYANZHENGMINGDIPINZHUYAOTIGONGYUYANDENENGLIANG,ERGAOPINDETINGLIBUCHANGDUIYUYANDEQINGXIDUJUYOUZHONGYAOYIYI,SUOYI

  CONG250-4000HzDEPINXIANGQUXIANDEZENGYIZHI,DUIXUANPEISHIFENZHONGYAO。

  3. zuiDASHENGSHUCHU

  DANGWAIJIEXINHAOYOU60dBZHUJIANZENGDADAO90dBSHURUSHI,SHUCHUXINHAO,DANDANGSHURUXINHAO≥90dBSHI,SHUCHUXINHAOBUZAIXIANGYINGZENGDACISHIDESHUCHUWEIzuiDASHENGSHUCHU。SHENGSHUCHU=SHURU+ZENGYI。

  4. DONGTAIFANWEI

  DONGTAIFANWEISHIZHUTINGQIDEzuiDASHUCHUYUZENGYIZHIJIANDECHAZHI。DONGTAIFANWEIKECHENGSHOUYINLIANGKONGZHIDEDIAOZHENGERGAIBIAN。

  5. SHIZHEN

  DANGWAIJIESHENGYINJINGGUOZHUTINGQIFANGDAHOU,CHUBOFUDEFANGDAWAI,QITARENHEZAINAI、SHANGDEBIANHUABIWEISHIZHEN。RUXIEBOSHIZHENzuiWEICHANGJIAN(RU5-17)。HESHIYING≤5%。

  6. DENGJISHURUZAOSHENG

  DANGSHURUXINHAOWEI0SHI,BENJIGUYOUDEZAOSHENGSHUCHUCHENGWEIDENGXIAOZAOSHENG,YAOQIUZAI30dBYIXIA,CIZHIYUEXIAOYUEHAO。

  7. GANYINGXIANQUANLINGMINDU

  DANGSHURU10Ma/mfeildCHANGQIANGSHI,ZHUTINGQIDESHUCHUSHENGYAJIYUEDA,LINGMINDUYUEGAO。

  8. SHENGFANKUI

  ZAIYIFANGDAHUILUZHONG,FANGDADESHENGYINBEIHUATONGSHIYINBINGZAICIFANGDAERCHANSHENGDEJIANJIAOSHENGJIUJIAOSHENGFANKUI。SHENGFANKUISHIYIZHONGPUTONGYINPINFANGDAXITONGZHONGCHANGYOUDEXIANXIANG。JIARUMOUYIPINLVDESHENGFANKUILIANGDADAOYIDINGCHENGDUSHI,DIANLUJIUBIANCHENGGAIPINLVXINHAODEZHENDANGDIANLU,ZHUTINGQIHUICHANSHENGJIAOQIANGDEZHENDANGXINHAO,WAIJIAXINHAOJIU"YANMEI"ZAIZHENDANGXINHAOZHONG。


文章内容来源于助听器哪家好:http://lostinnow.com/

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