Iyini i-DAC futhi Iyini Okusetshenziselwa?
I-DAC, noma i-converter yedijithali kuya ku-analog, iguqula izimpawu zedijithali zibe izibonakaliso ze-analog. Ama-DAC akhiwe kuma-CD ne-DVD abadlali, namanye amadivaysi alalelwayo. I-DAC inomunye wemisebenzi ebaluleke kunazo zonke yekhwalithi yomsindo: idala isignali ye-analog kusuka kumapulisi edijithali agcinwe kwi-disc futhi ukunemba kwayo kunquma ikhwalithi ezwakalayo yomculo esiyizwayo.
Iyini i-DAC yangaphandle futhi Iyini isetshenziselwa?
I-DAC yangaphandle iyingxenye ehlukile engakhiwa ibe ngumdlali onokusetshenziswa okuningi okuthandwayo kuma-audiophiles, amageyimu nabasebenzisi bekhompyutha. Ukusetshenziswa okujwayelekile kakhulu kwe-DAC yangaphandle ukuthuthukisa ama-DAC ku-CD ekhona noma isidlali se-DVD. Ubuchwepheshe be-Digital buyashintsha njalo futhi ngisho ne-CD eneminyaka emihlanu ubudala noma umdlali we-DVD unama-DAC oye wabona ukuthuthukiswa kusukela ngaleso sikhathi. Ukungeza i-DAC yangaphandle yokuthuthukiswa komdlali ngaphandle kokuyifaka esikhundleni sayo, yokwandisa impilo yayo ewusizo. Okunye ukusetshenziswa kwe-DAC yangaphandle kuhlanganisa ukuthuthukisa umsindo womculo ogcinwe kumakhompyutha we-PC noma we-Mac noma ukuthuthukisa ikhwalithi yomsindo wevidiyo yevidiyo. Ngamafuphi, kuyindlela ephumelelayo yokuthuthukisa ikhwalithi yomsindo wemithombo eminingi yomsindo ngaphandle kokuyibeka esikhundleni.
Ziyini izinzuzo ze-DAC yangaphandle?
Inzuzo eyinhloko ye-DAC enhle yangaphandle ingumgangatho ozwakalayo. Ikhwalithi yomsindo wokuguqula isignali yedijithali ku-analog incike kakhulu kunani elincane, imvamisa yesampula, izihlungi zedijithali nezinye izinqubo ze-elekthronikhi. I-DAC ekhethekile iklanyelwe ukusebenza okuhle komsindo. Ama-DAC nawo athuthukisiwe unyaka nonyaka kanye nama-DAC asekhulile, afana nalawo atholakele kuma-CD asebekhulile ne-DVD abadlali abenzi namamodeli amasha. Umsindo wekhompuyutha uphinde uzuze ku-DAC yangaphandle ngoba ama-DAC akhiwe ngamakhompyutha ngokuvamile ayilona ikhwalithi engcono kakhulu.
Izici Ukubheka kuma-DAC wangaphandle
- Ukupakisha: I-diski ejwayelekile ye-CD iqukethe umculo wedijithali ogcinwe kuma-16-bits wokuxazulula futhi usampuliwe ku-44.1 kHz. I-bit bit / 44.1 kHz iyaziwa ngokuthi i-Redbook CD, indinganiso yemboni. Ama-DAC amaningi angaphandle aphakanyisiwe, isici esithuthukisa ikhwalithi yomsindo. Isibonelo, isinqumo sinama-24-bit nesampuli senziwa ngo-192 kHz. Ukungalingani kwekhwalithi yomsindo kufaka impendulo ephindaphindiwe yemvamisa kanye nobubanzi obunamandla obuphezulu.
- Ukunciphisa kwe-Jitter: I-Jitter iyimicimbi yedijithali ethinta isikhathi sokufiphaza kwe-digital. Ngezinye izikhathi lichazwa ngokuthi 'izimpande ezinamandla' futhi uma lilawulwa noma liqedwa lingathuthukisa izinga elizwakalayo. Ama-DAC amaningi asebenzisa uhlobo lokunciphisa i-jitter.
- Izimpendulo Eziningi: Amanye ama-DAC angaphandle anokufaka okukodwa kokubhaliwe kanti amanye anezimpendulo ezimbili zombili ezingxenyeni eyodwa. Inzuzo yeziphakamiso ezimbili ukuxhuma imithombo emibili, njengomdlali we-CD ne-PC ngesikhathi esisodwa.
- Izimpendulo ze-USB: Ama-DAC amaningi angaphandle afaka ukufaka kwe-USB ukuvumela ukukhishwa komsindo kwikhompyutha ukuxhuma ku-DAC. I-DAC yangaphandle ithuthukisa izinga elizwakalayo lemithombo yomsindo wekhompyutha.