Yini i-LDAC?
I-LDAC iwubuchwepheshe bokubhala ikhodi bomsindo obungenantambo obuthuthukiswe ngabakwaSony. Yethulwe okokuqala embukisweni we-CES Consumer Electronics ka-2015. Ngaleso sikhathi, u-Sony wathi ubuchwepheshe be-LDAC babusebenza kahle ngokuphindwe kathathu kune-Bluetooth encoding kanye nesistimu yokucindezela. Ngale ndlela, lawo mafayela alalelwayo anesinqumo esiphezulu ngeke acindezelwe ngokweqile lapho ethunyelwa ngaphandle kwentambo, okuzothuthukisa kakhulu ikhwalithi yomsindo.
Lapho idlulisa umsindo wokulungiswa okuphezulu kwe-LPCM, ubuchwepheshe be-LDAC bugcina ukujula okuncane kanye nebanga lokuphendula lemvamisa, buvumela ukudluliswa kwekhwalithi ephezulu ngisho nakumsindo ongu-96kHz/24bit. Ngokuphambene, ubuchwepheshe bokudlulisa umsindo beBluetooth bendabuko, ngaphambi kokudlulisa umsindo we-LPCM, lapho udlulisela idatha yomsindo, into yokuqala okufanele yenziwe "ukwehlisa" ividiyo enokulungiswa okuphezulu ibe yikhwalithi ye-CD engu-44.1 kHz/16 bit, bese uyidlulisela. ngokusebenzisa 328 kbps, okuzodala inani elikhulu lokulahleka kolwazi, OKUBILI. Okungaholela kulesi siphetho: ikhwalithi yomsindo yokugcina imbi kakhulu kunekhwalithi yokuqala ye-CD.
KODWA, ngokuvamile lobu buchwepheshe bungasetshenziswa kuphela kumadivayisi akwa-Sony.
Iyini i-aptX?
I-AptX iyindinganiso ye-codec yomsindo. Izinga lihlanganiswe ne-Bluetooth A2DP stereo audio transmission protocol. Izinga lekhodi le-Bluetooth stereo lendabuko lekhodi yileli: I-SBC, evame ukwaziwa ngokuthi i-narrowband coding, futhi i-aptX iyindinganiso entsha yokubhala ikhodi eyethulwe yi-CSR. Ngaphansi kwesimo sombhalo wekhodi we-SBC, isikhathi sokulibaziseka sokudlulisa komsindo we-Bluetooth stereo besingaphezu kuka-120ms, kuyilapho izinga lombhalo wekhodi we-aptX lingasiza ekwehliseni ukubambezeleka kuye ku-40ms. Ukulibaziseka abantu abaningi abangakuzwa lapho ukubambezeleka kungaphezu kuka-70ms. Ngakho-ke, uma izinga le-aptX lamukelwa, umsebenzisi ngeke ezwe ukubambezeleka ekusetshenzisweni kwangempela, njengesipiliyoni sokubuka i-TV ngokuqondile ngezindlebe ezingenalutho.
I-Feasycom, njengomunye wabahlinzeki besixazululo se-Bluetooth abahamba phambili, ithuthukise amamojula amathathu e-Bluetooth adumile ngobuchwepheshe be-aptX, i-aptX-HD. Futhi yilezi:
Ngokuzayo lapho usesha isixazululo sephrojekthi yakho yomsindo engenantambo, ungakhohlwa ukwenza njalo BUZA USIZO lwe-FEASYCOM!
