Lub xov tooj hu xov tooj yog dab tsi?

1. Cov yam ntxwv tseem ceeb

Hu rau lub chaw mloog xov tooj cua, siv hauv kev pabcuam cov neeg siv khoom thiab chaw hu xov tooj, tsis tau pom los ntawm cov pej xeem ua ntej xyoo 1980s. Niaj hnub no, nrog kev nce qib ntawm kev siv technology, "headsets" siv hauv internet cafes, computer labs, thiab cov computers ntawm tus kheej yog qhov tseem ceeb hu rau qhov chaw headsets. Tam sim no lawv muaj ntau lub suab zoo rau ob qho tib si hais lus thiab mloog, tuaj nyob rau hauv ntau hom thiab specifications, thiab pheej yig, ua rau lawv nrov ntawm cov neeg siv khoom.

2. Qhov zoo tshaj plaws

① Narrow Frequency Band: Tsim tshwj xeeb rau lub suab zaus, kom ntseeg tau tias lub suab zoo meej thaum ua rau lwm qhov zaus. 

② Kev tshaj lij Microphone: Siv lub microphone tshaj lij electret microphone, uas ruaj khov dua thiab tsis tshua muaj kev cuam tshuam los ntawm kev puas tsuaj thiab cuam tshuam lub sijhawm piv rau cov microphones li niaj zaus.

③ Lub teeb yuag thiab siv tau ntev: Tsim los siv rau lub sijhawm ntev, ntsuas kev nplij siab thiab kev ua haujlwm siab.

④ Kev Nyab Xeeb Ua Ntej: Ua kom muaj kev tiv thaiv kev hnov ​​lus, ua raws li cov qauv kev nyab xeeb thoob ntiaj teb.

3. International Standards

UL (Underwriter's Laboratories): Txwv tsis pub lub suab nrov nrov rau 118 dB.

OSHA (Occupational Safety & Health Administration): txwv lub suab nrov ntev rau 90 dBA.

4. Kev faib tawm

Muaj ob hom kev hu xov tooj tseem ceeb rau lub khoos phis tawj:

USB interface: 

Nrog built-in suab card: Muab lub suab zoo dua thiab kev ncaj ncees tab sis kim dua.

Tsis muaj built-in suab card: pheej yig dua tab sis nrog me ntsis suab zoo. Ob hom tuaj yeem tswj tau ntawm inline tswj rau ntim, hu teb / xaus, thiab muting.

3.5mm Standard Dual Jack: Ib qho kev xaiv ntau dua thiab dav tshaj.