Kev ntsuam xyuas ntawm cov khoom siv nrov rau lub computer muaj wireless earphones, lawv tuaj yeem siv rau cov ntsiav tshuaj thiab cov laptops. Vim lub fact tias qhov kev thov rau lawv yog loj hlob, ntau hom qauv ntawm no gadget yog tas li nce. Cov cuab yeej no yog nrov heev ntawm cov gamers thiab cov neeg uas nyiam kev siv zog thiab ua haujlwm hauv PC.
Dab tsi yog cov wireless headphones, thiab cov twg yog cov zoo dua, cia peb sim nkag siab txog qhov no.
Wirelessphones ua haujlwm li cas?
Lub peculiarity ntawm cov headphones yog tias qhov teeb liab ntawm lub computer mus rau cov neeg hais lus tsis dhau los ntawm cov xaim, tab sis los ntawm "intermediary". Nyob rau hauv nws zoo yuav Bluetooth, xov tooj cua transmitter nrog ib zaus ntawm 2.4 GHz los yog ib tug ntaus ntawv uas kis infrared rays.
Lub mloog no muaj ntau yam zoo:
- tsis muaj xov hlau ntawm lub rooj;
- kev ywj pheej ntawm kev txav mus;
- Lub peev xwm los tau txais lub teeb liab txawm tias nyob deb ntawm lub computer.
Ua ib lub cim kev nyuab nyuab lub suab nrov zoo, qhov yuav tsum tau them lub xov tooj cua thiab nqi ntau dua. Tab sis yog tias koj tsis koom nrog cov suab paj nruag, thiab siv lawv cov kev xav tau hauv tsev (sib tham, saib yeeb yaj kiab los yog ua si), koj yuav tsis pom qhov txawv ntawm qhov nrov lossis koj yuav tsis yooj yim rau kev them nyiaj.
Cov wireless headphones yog dab tsi?
Raws li tau hais ua ntej, lawv txawv hauv txoj kev qhia yog kis tsis tau siv ib txoj kab hlau. Txhua tus ntawm lawv muaj nws qhov zoo thiab qhov tsis zoo:
- Bluetooth. Qhov ntau yog 10 meters, tsis hais seb puas muaj teeb meem ntawm koj los yog tsis;
- Xov tooj cua tsis. Qhov ntau ntawm cov ntaub ntawv muaj peev xwm ncav cuag 150 meters, tab sis, raws li nyob rau hauv cov ntaub ntawv ntawm xov tooj cua los yog xov tooj, kev kis feem ntau ua rau cuam;
- Infrared rays. Cov kws qhia tshwj xeeb nco ntsoov tias qhov no zoo rau lub suab zoo, tab sis koj tsis tuaj yeem mus deb, vim tias ib qho teeb meem tshwm sim ntawm lub headphones thiab lub computer, kev hloov cov ntaub ntawv yuav raug cuam tshuam.
Cov lag luam ntawm wireless headphones siv tag nrho cov hom kev hais lus (xoob nplooj, dej ntws, nyiaj siv ua haujlwm) thiab kev kho (pob, pob ntseg). Yog li ntawd, ib tug neeg siv rau tib hom ntawm lub mloog nrog ib tus hlau, yuav muaj peev xwm kom tau raws nraim tib yam tsis muaj nws.
Vim tias lub computer tam sim no ua ntau ntau yam haujlwm, qee qhov kev xav tau ntxiv. Tias yog vim li cas thiaj muaj cov wireless headphones nrog lub microphone thiab tsis muaj nws, tshwj xeeb tshaj yog qhov no muaj tseeb rau kev ua si, nrog rau kev sib txuas lus ntawm Skype lossis Viber.
Txhua cov wireless headphones muaj kev sib txawv ntawm cov suab sib kis: qhov kev sib tw ntawm lub suab nrov nrov, qhov tso cai ntau zaus (ntawm 20 mus rau 20000 Hz), rhiab heev, tsis ua hauj lwm (ntawm 32 mus rau 250 Ohm), mono lossis stereo suab. Yog tias koj txaus siab rau lub suab zoo, ces nws tseem tsim nyog kom tau lub headphones los ntawm cov tuam txhab cia siab, piv txwv li: Sennheiser, Panasonic
Kev yooj yim ntawm kev tswj suab, nyob rau ntawm cov neeg tham ntawm qee tus qauv muaj kev tswj cov nyees khawm. Nrog cov xovtooj no koj tsis tas yuav mus rau hauv lub computer kom txhob muaj lub suab seev lossis hloov cov nkauj.
Ib qho tseem ceeb heev uas cov wireless headphones sib txawv yog lub zog thiab lub sijhawm, uas yog txaus rau nws. Lawm, ntev lawv tuaj yeem ua haujlwm, zoo dua. Tab sis kuj yog qhov tsim nyog yuav tau xav txog, tias lub xov tooj ntawm lub xov tooj ntawm cov roj teeb xav tau kev siv nyiaj ntxiv thiab kev siv zog los hloov lub hwj chim. Yog li ntawd, nws pom zoo kom coj cov qauv them rov qab.
Wireless headphones rau koj lub computer yog ib qho zoo heev yog tias koj nyiam sib txuas ntau yam (piv txwv: mloog suab paj nruag thiab seev cev los yog npaj khoom noj thiab sib tham nrog Skype).