Bambanci tsakanin mahaɗar analog da mahaɗar dijital

Mai haɗa sauti (AudioMixingConsole) na'urar da ake yawan amfani da ita a tsarin ƙarfafa sauti da rikodin sauti da bidiyo. Yana da abubuwan shigarwa da yawa, kuma ana iya sarrafa siginar sauti na kowane tashoshi daban-daban, alal misali, ana iya haɓaka shi kuma ana amfani da shi don treble, midrange, da bass. Rayya mai ingancin sauti na iya ƙara fara'a ga sautin shigarwar, aiwatar da wuri na tushen sauti, da sauransu; yana kuma iya haɗa sautuka daban-daban tare da daidaitawar rabo mai daidaitacce; yana da nau'o'i iri-iri (ciki har da fitarwa na sitiriyo na hagu da dama, kayan aikin gyarawa, haɗaɗɗen fitarwar Mono, fitarwar saka idanu, fitarwar rikodi da nau'ikan kayan taimako daban-daban, da sauransu). Daga cikin su, ana iya raba mahaɗin zuwa mahaɗan analog da mahaɗar dijital. Menene manyan ayyuka da bambancinsu? Mu duba.

Ɗauki digiMIX24, mahaɗar dijital ta tashoshi 24 daga Yashini wanda Yihe Technology ke wakilta, a matsayin misali. Idan aka kwatanta da na'urorin analog na gargajiya, yana da fa'idodi da yawa. Ana iya daidaita shi a cikin hanyoyi guda biyu: 24 × 8 AUX tashoshi, ko 24 × 4 AUX tashoshi da 24 × 4 SUB tashoshi, da 6 × DCA fader kungiyoyin. Masu amfani na iya sassauƙa zaɓe da rarraba sigina. Hakanan yana zuwa tare da ASHLY* ƙirar makirufo amplifier. Ana iya amfani da digiMIX24 a matsayin cibiyar kula da tsarin a ko'ina cikin nunin. A lokaci guda, ana iya amfani da tsarin Dante na zaɓi don aikawa da karɓar sautin hanyar sadarwa.

Babban aikin mahaɗin dijital shine sarrafa siginar sauti, amma takamaiman abin sarrafawa shine siginar dijital wanda aka ƙididdige shi, ƙididdigewa, da rufaffiyar. Waɗannan sigina sun haɗa da siginar sauti da sarrafawa. Mai haɗawa na dijital yana wuce sabuntawa Yi aiwatar da tsarin algorithm akan sigina da yawa. Hanyoyin sarrafawa da da'irorin sarrafa sigina na mahaɗin dijital duk an ƙirƙira su. Ana watsa siginar sauti na dijital a cikin nau'i na fayiloli (ko rafukan bayanai) ta hanyar dubawa, da ƙwanƙwasa, masu sauyawa, faders, da sauransu. Yawan sarrafawa ba shine ainihin siginar sauti na mahaɗin analog na gargajiya ba, amma siginar sarrafawa. na dijital algorithm. Tsarin siginar mahaɗar dijital ya fi sassauƙa kuma daidai, kuma kwararar sarrafawa da nunin sakamako sun fi haske.

Misali, kwatanta madaidaicin kewayo mai tsauri kawai, yawanci madaidaicin kewayon tsarin sauti na analog yana kusa da 60dB bayan jerin aiki, yayin da lissafin ciki ana yin shi akan mahaɗar dijital 32-bit, kuma ƙarfin ƙarfin zai iya kaiwa 168. ~ 192 dB. Ana iya cewa aikin na'ura mai haɗawa da dijital yana kama da duk ayyukan wurin aiki na sauti, gami da tsarin hardware da sarrafa software. Ainihin tsari da tsarin aiki na mahaɗin dijital. Na'urar haɗe-haɗe na dijital na iya bambanta sosai a bayyanar, amma ainihin tsarin sa ya ƙunshi sassa masu zuwa. Lokacin da aka duba shi daban, yana kama da wurin aiki wanda ya haɗa da shigarwar shigarwa da yawa da kayan aiki masu fitarwa.

(1) I/0 dubawa yayi daidai da shigar da siginar sigina na mahaɗar analog. Yawancin mahaɗar dijital kuma za su iya amfani da ramin katin ƙa'idar analog don haɗa na'urorin siginar analog. A halin yanzu, ana amfani da waɗannan mashigai na shigarwa na analog don tallafawa Tashar ta canza ba tare da ɓata lokaci ba zuwa cikakkiyar dijital, kuma nau'ikan ƙirar dijital sun haɗa da AES/EBU, S/PDIF da sauran ka'idoji.

(2) Sashin sarrafa siginar (DSP) shine ainihin mahaɗin dijital kuma yana da alhakin sarrafawa da sarrafa siginar dijital daban-daban. Yana m ƙayyadaddun aiki da ingancin dukan mahautsini. (3) Sashin sarrafawa na mahaɗar, wanda shine haɗin gwiwar tattaunawa tsakanin mutum da kwamfuta, yayi kama da babban jikin mahaɗin analog. Koyaya, abubuwan da aka haɗa sune kawai wasu masu sarrafa fader, ƙulli, alamomi, da sauransu, kuma ba a wuce su ba. Don siginar sauti, ana iya haɗa wasu mahaɗa zuwa na'urori masu lura da bidiyo, madanni, da beraye. Ikon software na mai amfani da sarrafa kayan masarufi suna da tasiri iri ɗaya.

(4) Mai watsa shirye-shiryen mahaɗa (sashin sarrafa kwamfuta na CPU), haɗe tare da aikin software, yana fahimtar aiwatar da umarnin, sarrafa sigina da sauran ayyuka na duka mahaɗin. (5) Bangaren samar da wutar lantarki yayi kama da mahaɗin analog, gabaɗaya ta amfani da keɓantaccen tsarin wutar lantarki na waje.

A matsayin samfur na ƙarni na farko, haƙiƙa mahaɗan analog sun fi ƙasa da aiki. Babban aikin mahaɗin analog shine sarrafa siginar sauti. Abun shine ci gaba da siginar lantarki mai jiwuwa analog. Baya ga kammala haɓakawa gabaɗaya, rarrabawa, haɗawa, da sarrafa watsawa, yana kuma da manyan ayyuka kamar haka: 1. Level da impedance matching;2. Ƙara sigina da daidaita mitar; 3. Tsarin aiki mai ƙarfi; 4. Rarraba sigina da haɗuwa; 5. Ƙirƙirar sakamako na musamman kamar yadda ake buƙata, wani lokaci tare da aiki na musamman ta hanyar kayan taimako na gefe.