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/