芒果视频下载

選(xuan)(xuan)配助聽(ting)(ting)器(qi)(qi)(qi)時(shi)最(zui)好(hao)去醫院(yuan)，對(dui)聽(ting)(ting)力(li)(li)(li)做一次全面檢查，用(yong)電測(ce)聽(ting)(ting)等(deng)儀(yi)器(qi)(qi)(qi)準確地評價出耳(er)(er)聾的(de)程度，再選(xuan)(xuan)助聽(ting)(ting)器(qi)(qi)(qi)，如(ru)果當地沒(mei)有(you)相應(ying)條件的(de)醫院(yuan)，聽(ting)(ting)力(li)(li)(li)損(sun)(sun)(sun)失(shi)程度與助聽(ting)(ting)器(qi)(qi)(qi)功(gong)(gong)率(lv)(lv)的(de)選(xuan)(xuan)配可(ke)按(an)口語(yu)試驗來估計。例(li)如(ru)，聽(ting)(ting)不(bu)到(dao)耳(er)(er)語(yu)聲(sheng)的(de)人(ren)聽(ting)(ting)力(li)(li)(li)損(sun)(sun)(sun)失(shi)30～40分(fen)貝(bei)，聽(ting)(ting)不(bu)到(dao)低小聲(sheng)的(de)人(ren)聽(ting)(ting)力(li)(li)(li)損(sun)(sun)(sun)失(shi)約(yue)40～50分(fen)貝(bei)，此時(shi)宜選(xuan)(xuan)購低功(gong)(gong)率(lv)(lv)及(ji)(ji)中功(gong)(gong)率(lv)(lv)助聽(ting)(ting)器(qi)(qi)(qi)；聽(ting)(ting)不(bu)到(dao)普通講話聲(sheng)的(de)人(ren)聽(ting)(ting)力(li)(li)(li)損(sun)(sun)(sun)失(shi)約(yue)50～60分(fen)貝(bei)，聽(ting)(ting)不(bu)到(dao)高聲(sheng)講話的(de)人(ren)聽(ting)(ting)力(li)(li)(li)損(sun)(sun)(sun)失(shi)60～70分(fen)貝(bei)，可(ke)選(xuan)(xuan)配中功(gong)(gong)率(lv)(lv)及(ji)(ji)大(da)功(gong)(gong)率(lv)(lv)型助聽(ting)(ting)器(qi)(qi)(qi)；聽(ting)(ting)不(bu)到(dao)大(da)聲(sheng)喊(han)叫聲(sheng)的(de)人(ren)，聽(ting)(ting)力(li)(li)(li)損(sun)(sun)(sun)失(shi)70～80分(fen)貝(bei)，選(xuan)(xuan)用(yong)中、大(da)功(gong)(gong)率(lv)(lv)助聽(ting)(ting)器(qi)(qi)(qi)；全力(li)(li)(li)喊(han)叫聲(sheng)聽(ting)(ting)不(bu)到(dao)的(de)人(ren)聽(ting)(ting)力(li)(li)(li)損(sun)(sun)(sun)失(shi)約(yue)約(yue)80～90分(fen)貝(bei)或更高，可(ke)選(xuan)(xuan)配大(da)功(gong)(gong)率(lv)(lv)及(ji)(ji)特大(da)功(gong)(gong)率(lv)(lv)助聽(ting)(ting)器(qi)(qi)(qi)。