助听器的主要技术指标是什么
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://iluxuryonline.com/
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