Cov neeg hais lus yog ib qho tseem ceeb hauv cov khoom siv audio, thiab lawv cov kev ua tau zoo muaj txiaj ntsig zoo rau lub suab zoo.
Cov neeg hais lus tau siv dav hauv ntau yam hauv hluav taws xob thiab hluav taws xob uas ua suab, khoos phis tawj, khoos phis tawj, tsheb multimedia, thiab lwm yam.
Nyob ntawm kev siv cov cai, cov neeg hais lus tuaj yeem nquag (yuav tsum tau muaj zog (yuav tsum tau muaj sab nraud) lossis tsis xav tau sab nraud).
Cov neeg hais lus tseem tuaj yeem muab faib ua cov neeg hais lus thiab cov neeg tham sab nraud ua. Ua rau cov neeg hais lus, xws li cov neeg hais ua rau MP4 players, yooj yim rau cov neeg siv los mloog lub suab ncaj qha; Cov neeg hais sab nraud feem ntau yog xa mus rau cov neeg hais lus, uas yog siv los muab cov suab nrov zoo dua thiab lub suab zoo dua qub.
Hauv cov ntsiab lus, cov neeg hais lus, raws li confloacousic transducer, ua si ib lub luag haujlwm tseem ceeb hauv cov cuab yeej siv suab.