Okuhle-DAC ukubuyekeza, ukukala, incazelo, izici kanye nokubuyekeza

Life ngokuvamile Lisinikeza isinqumo esinzima. Sine ukuthola uhlobo oluthile igajethi. Ngesikhathi esifanayo kufanele kube ezishibhile, engcono lengenamaphutsa. Yiqiniso, siyaqonda ukuthi le cishe kungenakwenzeka. Ngakho-ke kubalulekile ukuba ukhethe nenqubo ngalo ukuhlela, ngisho ukudela okuthile. Namuhla sizozama ukhethe i-DAC ezinhle.

Kuyini lokhu?

Ngaphambi esibhekana ngayo amanye amamodeli kudivayisi, kubalulekile ukuchaza ukuthi kuyini, kulabo abazi. Digital-to-analog Converter yakhelwe ukucutshungulwa ikhodi digital ibe isiginali ye-analog. Ngakho, idivayisi angabhekwa uhlobo "Umqhubi" elilodwa zomhlaba - digital, elinye - analog.

Une kule divayisi futhi "omelene". Liyakushintsha konke okufanayo, kodwa in reverse. Ngokuvamile, i-transducer isebenza isimiso ukuthi ukuze ukusebenza kubalulekile ukuthola uphawu digital, ogxile ikhodi ishayela kwezwi. Uma sinesimo format onomfutho, usebenze nabo iwukuba codec.

aphoyintimenti

Yiqiniso, ukuthenga i-DAC ezinhle, kudingeka ngenxa yalesi sizathu ezinhle. Akunakwenzeka ukuthi umsebenzisi isilinganiso uzochitha imali kumadivayisi enjalo. Ngokuvamile kudingeka igajethi kulabo abafuna ukuguqula amasignali digital kusukela "izwe" e-analog. Njengoba isibonelo, isetshenziswa kusidlali-CD-ROM drive.

ngezigaba

Kuye isicelo angase ukwaba DAC amaqembu. Ezincane kakhulu kunazo zonke kubhekwa ububanzi ishayela. Ngokuvamile ezitholakala amadivayisi njenge Hi-Fi, noma lapho ofuna ukulawula izinjini kagesi. Umgomo we operation yalolu hlobo ukulandelana ishayela okudlula ongaphakeme pass zokuhlunga. Ukuze uthole it, udinga ukuba umuntu alinde kuze kokuba iguqulwe ikhodi digital kuyoba wakhona isikhathi lapho umsebenzi indlela eqondile amandla.

Okulandelayo meet oversampling. Kusekelwe amagugu oscillation ishayela kwabantu. Lolu hlobo senzelwe ukusebenza efanele idivayisi, okuyinto has a ezincane kancane ububanzi, nedivaysi elikhulu elithi ubude. Kukholakala ukuthi i-DAC eyodwa-bit esinjalo ibukeke imodeli. Njengoba lo mshini ukushintshana pulses nge impendulo engeyinhle.

Ukucabangisisa Ngethuba Lokungenela uhlobo kusho ukuthi ukubaluleka wamanje umthombo kuyoba wakhona isisindo izingcezu. ibhithi Non-zero kuleli cala ingafingqwa. Wokugibela wathola uhlobo olukhethekile wesifunda, esakhiwa resistors eziningana, has izinhlobo ezimbili inclusions.

izici

Ukuze ukhethe i-DAC engcono, udinga ukuthi iqonde izici zayo. Ngakho, umbhangqwana nemingcele key kumele abelwe. Kubalulekile ukuqonda okushiwo bit, esiphezulu izibonelo zalokho imvamisa, monotonicity, uhla ashukumisayo, izici static futhi imvamisa. Ngakho kungenzeka ukunquma oyifunayo isignali okukhipha ezingeni, imvamisa operation esitebeleni, ikhono idivayisi ukwandisa isiginali ye-analog okukhiphayo.

isilinganiso

Yenza uhlu DAC engcono ngisho simple. Basuke eziningi kangaka, bonke bangabafowabo ezahlukene. Ezinye ababonakali ngezikhundla izici zangaphandle, nezinye - lobuchwepheshe. Ezinye anemisila inqwaba izici nemisebenzi, kuyilapho abanye ahloselwe Okuqondiwe ethize. Ngakho-ke, yenza uhlu futhi uthumele imodeli ngamunye endaweni ethize - umsebenzi elingabongi. Ngakho-ke, ngendlela khulula, sibheka ambalwa onobuhle kusukela matrix inkampani, Meridian lomsindo, Esoteric nabanye.

enemisebenzi

Khetha i-DAC ezinhle - akuyona inkinga. Emakethe ziningi ongakhetha converters ezingase ezikufanelayo efana umbala, ijamo kanye nosayizi, kanye izici lobuchwepheshe.

Matrix Mini-mina Pro sidalwe yinkampani Chinese. Ochwepheshe abaningi bakholelwa ukuthi umenzi uye avela ngokuphazima kweso emakethe futhi njalo kudala resonance ukuthi uma hhayi okwesabisa mncintiswano, kodwa ebangela ukuba basebenze ngokuzikhandla. Le nkampani ine a Ukukhetha enkulu imishini kanye nempahla umsindo. Futhi phakathi onobuhle zitholakala ongakhetha izindleko low $ 200 futhi kuyabiza - ngaphezulu kwe- $ 1,000.

Ngu igajethi phakathi kuzomele sifake Mini-mina Pro. Kuyinto icwecwe, futhi okubaluleke - kuhlanganiswe. Kuyasiza ukuqinisa headphones, kodwa i-DAC. Ukuze nje $ 520 audiophile uzothola igajethi amaphupho abo. Kuyaqondakala ukuthi ubukhulu imodeli incane kakhulu. Ngakho-ke, njengoba omunye samuntu ingxenye PC Luhle.

Ngaphambili iphaneli isibonisi idivaysi encane itholakala. Ukuze kwesokunxele yakhe, kukhona indawo-headphone, kwesokudla - control ivolumu. Uma uchofoza, ungakwazi ukuya ongakhetha imenyu, lapho kukhona isiteshi okukhipha, umshini digital, nokunye. Kukhona usuphethe akude. Ukuphela ezingemuva kuba lonke interface kudingekile umatasa. Kukhona-USB, AES / EBU, XLR, nabanye.

Izibuyekezo

Labo abakhetha okungcono DAC embobeni, babe ukubukeka bejabule kakhulu lokhu model emakethe. Akayena kuphela amahle icwecwe, kanye olinganiselayo futhi uyisithelo esiyisimanga. Mhlawumbe, wonke umsebenzisi uyokwaneliswa kokuba umsindo ihlanzekile, olunembile futhi inobuntu obuhle. Imvamisa wezwa kahle, wazizwa kokubili ongaphakeme futhi high umsindo.

Abathengi kugujwa ukulawula elula, ukugcwaliswa, a bass ngakuthathu, umthunzi emnandi. Labo Uyabuqonda ngempela umsindo zonke, ngempela kule divayisi ukucasha futhi zisebenza kahle.

upscale

Enye omele umenzi - Matrix X-Saber. It has Ubukhulu ajwayelekile, ngokuvamile akuvimbeli ke ukuba icwecwe, kodwa lubonakale. Ukuphakama - mayelana 5 amasentimitha, ububanzi - 26 cm, ukujula - 20 cm Nakuba lapho uqala nje ukubona phambi kwethu ibhokisi compact, isisindo saso singamakhilogremu 4 amakhilogremu .. Kulabo okokuqala ebhekene thuluzi, kungcono nje ton, ngoba Ongoti okufanayo - lena isisindo ejwayelekile.

Ngaphambili iphaneli imatasa ngokulungisa izakhi ezidingekayo kanye nezixhumanisi. Konke ngokuvamile kucacile futhi iyabonakala. Akukho okukhipha optical, nakuba hhayi konke lokhu kuyoba abaphumeleli. Kukhona AES / EBU, okuyinto ezingavamile.

Izibuyekezo

Uma ungahambi ibe ingxenye digital kuyinto inkomba wangempela izinga DAC ezihluzekile. Kulokhu, abasebenzisi ziye zaphawula nokuhlanzeka, isinqumo esihle, bushelelezi futhi elibala amaza okusezingeni eliphezulu. Behlukene ithoni enkulu nge amathoni olinganiselayo.

Abathengi kuphawulwe phakathi izici zomsebenzi ngokushesha i-DAC, ukuntuleka "ukuqoqa", bass eliphezulu imisindo nombala nehaba. Melody ayinakho maholoholo noma maholoholo futhi ukuvama ebonakalayo futhi ihlanzekile.

sonorous

Esoteric D-07X - i-DAC okuhle, kubonakala sengathi abaningi eqolo - ecishe ibe yizinkulungwane 6 zamaRandi. Kodwa ochwepheshe siqonde ukuthi kungani intengo onjalo imishini enjalo ezihlangene. Lokhu okuhlukile kuyinto esihlukile ezinhle izindlu ezifanele, a Ukukhetha enkulu izici izindlela, futhi okubaluleke - umsindo super-eliphezulu. Ku-imodeli efanayo, eyakhishwa kancane ekuqaleni, sibonwe inkinga nge-USB-umamukeli.

uhlobo olusha ulahlekelwe yile bug. Lase sikuhlomele ngamafayela translation, ikhono ukuvimbela isihlungi digital , futhi brand slot emisha ye-headphone. Kukhona ukulawula ezimele ivolumu. Naphezu inani elikhulu ezintsha, bathi cishe akazange kuthinte ukwanda izindleko.

Yiqiniso, singakwazi ukuncoma ezinye izilungiselelo ethize bese ulungise imishini, kodwa kungenzeka ulungise ukuba umnikazi eyakho ukubhekana umsebenzi ngamunye ukusetha izindlela kangcono ngokwabo.

Izibuyekezo

Kuyacaca ukuthi emhlabeni ukuthola ama-DAC engcono engenakwenzeka. Konke kuncike nezidingo ngabanye yomnikazi. Kodwa le ndlela ayikaze ibe yimpumelelo, nakuba ayengazi ezishibhile kakhulu. Thola izibuyekezo lwalolu hlobo akulula, njengoba akubona bonke umthengi njalo enquma ukuthenga eziyinkimbinkimbi anjalo esikhathini ukubeka i-DAC. Labo zisekhona amazwana, waphawula kakhulu izinga umsindo, eziningi izici, ubuchwepheshe kanye nokusebenza emithonjeni ehlukene.

Uma ungumsebenzisi imfundamakhwela ka transducers ezinjalo, ungase ubhekane ne izici ezintsha kanye Slots eziye akambonanga ngaphambi. Isilungiselelo ungakwazi ukushayela ube ekupheleni efile, okuzokwenza ngokwemvelo kuholele umsindo abampofu.

amazinga amasha

Labo ujwayelene kumadivayisi abizayo alalelwayo, bake babhekana ne imikhiqizo ephuma Meridian lomsindo. Abanye bakholelwa ukuthi yintoni ephakathi kwabo ungathola inkomba kangcono DAC. Yiqiniso, umbono subjective, kodwa hhayi izikhathi eziningi ngaphandle kwesizathu.

Esanda kutholakala, abasebenzisi letangeniswa Meridian Digital Ultra ukuze Analogue Converter. Le modeli isibe main "brainchild" lenkampani. Ngesikhathi isethulo kwakuzwakala isitatimende elikhulu ukuthi le ndlela - kuyinto owumphumela wawo wonke umsebenzi owawungo iminyaka engu-20. Novelty inoxhumo olubanzi, sebuningini ngumsebenzisi, ukusekela ezihlukahlukene zamafayela. I-DAC Ultra ifakwe ubuchwepheshe eziningana ezintsha ezithuthukisa izinga umsindo, sebenzisa uchungechunge okuhlungayo, ukwandisa imvamisa.

Eqinisweni, le imodeli ngempela kuyinto inketho kakhulu ngoba kungenziwa ixhunywe nge-USB, AES3, TosLink, S / PDIF. Kukhona omkhulu umculo platform, kwadingeka isikhathi uthole okuningi imiklomelo. Ngaphezu kwalezi interface, ungasebenzisa olinganiselayo futhi ongenakulinganisela analog okukhiphayo.

Izibuyekezo

Njengoba nomkhiqizi kanye nabasebenzisi yalezi onobuhle kubhekwa ukuthi lokhu iyona engcono kunazo DAC yokukhulisa umsindo. Meridian inkampani lomsindo wabuye waphendukela afakazele ukuphakama yabo emakethe nokuthi Ingakha lomkhiqizo eliphezulu.

Abathengi besabela kahle khona izici, kuhlanganise isethaphu PC, LipSync futhi RS232. Siyabonga kubo, kwakunokwenzeka ukuhlanganisa idivayisi izinhlelo third-party. It yaphawula ukuthi emithathu izibonelo zalokho nezihlungi avame ukusetshenziswa at amaza ka 44kHz futhi 48kHz.

okutholakele

A-DAC ezinhle zangaphandle ukukhetha akulula. Nale kuzomele bamukele. Uma udinga ke umsebenzi, khona-ke cishe, usuvele ujwayelene onobuhle ezithile kanye abakhiqizi, futhi wenze izinqumo kulula. Uma, kunalokho, okokuqala unqume ukwenza i-DAC zokuthenga, kufanele baqonde inhloso ukhetha imishini, yini okufanele uyilindele kulokho kuye. Yiqiniso, kubalulekile ukutadisha ukubuyekezwa, ngoba awusebenzi ngaso sonke isikhathi sihambisana izici ngokoqobo, noma okunye eqinisweni kweqiniso. Nokho, awukwazi 'uphonse "imodeli enhle. Uma ngaphambi cute design, akusho ukuthi umsindo ngeke ukwanelisa wena ngokuphelele.