Hriatna AIDS thliar hranna .

Hearing aids hi hriatna tihchangtlunna tura puitu hmanrua a ni. Dik tak chuan semiconductor amplifiers te tak te an ni. An hnathawh chu aw chak lo deuhte amplify a, headphone-a thawn chhuah a ni a, chutiang chuan taksa peng hrang hrangte chuan hriatna tihtlem chuan amplification hmangin aw chu an hre thei a ni.
A chi hrang hrang a awm a, mahse a hnathawh leh a principle te chu a inang vek a ni.
(1) Pawn lam structure atang chuan: Box type, behind-EAR type,-Eam type, leh -E-eng chi chu ordinary ah then theih a ni a,-Ear type, ear canal type, leh deep ear canal type ah te then theih a ni.
(2) Electronic principle atang chuan: analog hearing aids-ah then theih an ni a; Programmable hearing aids, fully digital hearing aids, wide dynamic language technology hearing aids, etc.
(3) Hearing aids te hi air conduction hearing aids leh bone conduction hearing aids ah then a ni a, chu chu conduction method angin a ni. Box type, behind-EAR type, leh in-E-ear type te hi air conduction hearing aid an ni vek a.