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DTS Multi-Dimensional Audio Imakukhudzidwa ... Kwa Real
Makampani angapo akukankhira lingaliro la kuzungulira phokoso lokhala ndi maulendo opitirira 7.1 a phokoso, mwinamwake kudziwika ngati immersive audio. Mwinamwake mwamvapo zambiri zokhudza - ndipo mwinamwake mwamvapo - Dolby Atmos, yomwe yayigwiritsidwa ntchito m'mafilimu pafupifupi 100 ndipo panopa imayikidwa m'malo owonetsera 300 padziko lonse lapansi. Palinso njira ya Barco Auro-3D, yomwe, kuyambira chaka cha 2014, ili pafupi ndi masewera 150 ndipo yayigwiritsidwa ntchito m'mafilimu opitirira 30. Pambuyo pa zojambula mu filimu yopanga mafilimu, komabe gulu la makampani opanga mafilimu, omwe amagwirizana kwambiri ndi mpikisano wotchedwa Dolby mpikisano wa DTS, akhala akupanga maganizo osiyana: Multi-Dimensional Audio, kapena MDA.
DTS inachititsa demo kumalo owonetsera mwapadera ku Los Angeles.
Mwamwayi, ndimapezeka kuti ndikukhala m'galimoto ya ola limodzi ya masewerawa ndipo ndinatha kupeza demo lalikulu la MDA, kumayambiriro mmawa usanatsegulidwe. Kawirikawiri ndimasiya kufotokozera phokoso lozungulira pa About.com Home Home Expert Robert Silva, koma chifukwa kumveka kumveka ndithudi kumakhudza machitidwe a stereo tsiku lina, ndinaganiza kuti nditenga mwayi kumva zomwe MDA ingathe kuchita.
Tsatirani ndi ine ndipo ndikufotokoza momwe MDA ikuchitira ... ndi zomwe zimawoneka ngati.
02 a 04
MDA: Momwe Ikugwirira Ntchito
About.com Home Theatre Akatswiri Robert Silva wafotokozera kale MDA mozama , koma izi ndizofunikira. Ndi makonzedwe a 7.1-makanema m'nyumba yamaseŵera kapena filimu yamalonda, muli kutsogolo, kumanzere ndi oyankhula bwino; awiri oyankhula pambali; zojambula ziwiri zowonekera kumbuyo; ndi chimodzi kapena zambiri subwoofers. Ena ovomereza mavidiyo / mavidiyo akhoza kuwongolera mpaka 9.1 kapena 11.1 powonjezera okamba okwera m'mwamba ndi / kapena oyankhula owonjezera pakati pa kutsogolo kutsogolo / kumanja ndi kumbali yoyandikana ndi mbali, pogwiritsa ntchito Dolby Pro Logic IIz , Audyssey DSX kapena DTS Neo: X processing kuti ipeze njira zina.
Machitidwe amadzimadzi amachitapo kanthu powonjezerapo powonjezera okamba pamwamba pa denga kuti apereke zowonjezera zowonjezera komanso zowona zowonongeka. Angathenso kuwonjezera oyankhula kutsogolo kutsogolo, pakati ndi okamba bwino omwe ali kale kuseri kwazenera, ndi makanema ozungulira omwe ali pamwamba pazomwe zilipo kale. Oyankhula awa akhoza kukhazikitsidwa kotero kuti athe kuthandizidwa payekha payekha kuti phokoso likhoza kukhala lokhalitsa kwa wolankhula mmodzi. Kapenanso mphamvu yokoka ikhoza kuyendayenda mozungulira nthawi zonse, kuzungulira pakati, kunena, 16 kapena 20 ozungulira poyankhula m'malo mozungulira pakati pa magulu anayi oyankhula monga 7.1.
Dolby Atmos, makamaka, ndi mndandanda wa zowonjezera zowonjezeredwa pa dongosolo lachilendo 7.1. Okamba nkhani angathe kulankhulidwa m'magulu monga 7.1, kapena payekha kuti athandizidwe kwambiri, ndipo palinso mizere iwiri ya okamba omwe akuwonjezera.
MDA ikhoza kukamba oyankhula omwewo, ndi zina - ndemene ndinamva imagwiritsa ntchito mizere itatu yolankhulira padenga komanso zowonjezera ziwiri zowonjezera zowonongeka zamkati zomwe zili pamwamba pa malo ozungulira omwe ali pambali, kuphatikizapo zina zotsala, pakati ndi kumanja okamba okwera pamwamba pamwamba pa chinsalu.
John Kellogg, DTS wamkulu wa njira zamakampani ndi chitukuko adanena, "Sitikukuwuzani kuti mukufunikira kuti olankhula onsewa azisindikizidwa ku cinema. Kukonzekera uku kunayikidwa pamodzi ngati labu kotero tikhoza kuyesa ndi kusonyeza oyankhula ambiri. Kukonzekera uku kumaphatikizapo masinthidwe oyankhulira omwe alipo panopa m'ma cinema ndi omwe akubwera mtsogolomu. Koma ndithudi kuwagwiritsa ntchito kumakhala kosangalatsa kwambiri. "
Kusiyanitsa kwachindunji ndi MDA ndi njira yambiri yoganizira za kusanganikirana ndi gawo lakumvetsera.
MDA ndiyomwe imatchedwa "chinthu chozikidwa" chowunikira. Gawo lirilonse la kukambirana, kumveka kulikonse, nyimbo zonse za nyimbo zoimbira nyimbo komanso chida chilichonse pamakina a nyimbo, amawoneka kuti ndi "chinthu" cholumikizira. M'malo mojambula nyimbo pamsewu winawake kapena gulu la makanema - kujambula kwa stereo, kapena 5.1- kapena 7.1-channel multichannel soundtrack, mwachitsanzo - onse akutumizidwa ngati gawo la fayilo la MDA. Fayiloyi ikuphatikizapo metadata yomwe imaphatikizapo mgwirizano wina kapena thupi lanu ku chinthu chilichonse cholirira kapena chachinsinsi; kuphatikizapo nthawi imene phokoso likuwonekera komanso liwu limene likusewera.
"Oyankhula amakhala ngati ma pixel kuposa momwe amachitira," adatero Kellogg.
MDA ikhoza "kupanga mapepala" awa kwa oyankhula onse, kuchokera kwa oyankhula ambiri mu cinema zamalonda mpaka ochepa kapena awiri, amati, TV. (Zoonadi, zipangizo zamakono zonse za Dolby, kuphatikizapo Atmos, zimaphatikizapo kukhala ochepa ngati njira ziwiri.) Pamene dongosolo la MDA liikidwa, wothandizira amapereka chidziwitso chokhudza wokamba nkhani m'chipinda chomwecho mu dongosolo ndi Mapulogalamu omasulira amasonyeza momwe angagwiritsire ntchito mzerewu kuti abwerere bwino phokoso lililonse. Mwachitsanzo, ngati zotsatira zoyenera kuzungulira zimachokerako, nena, madigiri 40 pamwamba panu ndi madigiri 80 kumanja, mwina sangakhale wokamba nkhani pa ndondomeko yomweyi, koma MDA ikhoza kupanga chithunzi cha phantom pa nthawiyo pogwiritsa ntchito phokoso lomveka bwino la omveka pamayankhula pafupi ndi pomwepo.
Kuchokera mu malonda, MDA imasiyananso kwambiri ndi Atmos. Ndondomeko ya Atmos ndi pulogalamu ndizoyendetsa ndipo ikulamulidwa ndi Dolby. MDA, mosiyana, ndi mawonekedwe otseguka, akuwonetserana mgwirizano pakati pa makampani a makampani a cinema kuphatikizapo DTS, QSC, Doremi, USL (Ultra-Stereo Laboratories), Auro Technologies ndi Barco, ndi masukulu pang'ono ndi mawonetsero.
(Panopa ndikuyenera kuwonjezera chotsutsa.Ndagwira ntchito Dolby kuyambira chaka cha 2000 mpaka 2002, koma sindinayambe kugwirizana ndi kampani kuyambira pomwepo. Ndinalemba pepala loyera la DTS chaka chatha chokhudza chipangizo chosagwirizana. kutsata ndikukhalabe cholinga chofuna ntchito ndi kampani. Sindidziwa mozama za mafilimu ndi mafakitale owonetserako omwe angafunikire kufotokozera momveka bwino za tsogolo la machitidwe awa ndi moona, ine Sindikusamala .. Ndikungokulemba za malo ozizira omwe ndawona.)
03 a 04
MDA: Gear
Paul Brink, yemwe anali katswiri wa mafilimu a QSC, anali pafupi kunditenga kupyola mndandanda wa zisindikizo. Choyambirira cha dongosolo ndi QSC Q-Sys Core 500i digito ya piritsi yojambulira, yomwe ili ndi mphamvu zogwira mobwerezabwereza zokwanira 128 ndi zotsatira 128. Core 500i imatenga audio ndi metadata kuchokera pa seva ya Doremi yomwe imagwiritsa ntchito kanema kuchokera ku ma drive ovuta omwe amaperekedwa ndi studio za kanema. The Core 500i imagwirizanitsidwa ndi 27 QSC DCA-1622 amplifiers kupyolera asanu Fr-Sys I / O Mafelemu, omwe makamaka ogwirizanitsa digito ndi analog converters. Mukhoza kuwona zigawo zonsezi pafupi ndi tsamba lotsatira.
Machitidwewa amachititsa mphamvu 48 zowonjezera kuphatikizapo njira ya subwoofer yopereka subwoofers asanu ndi awiri. Monga ndanenera poyamba, mndandanda wa masewerowa unalipo:
1) Otsindika kumanzere, pakati ndi oyenera kuseri kwawonekera
2) Okhululukidwa kumanzere, pakati ndi okwera pamtunda
3) Mizere itatu ya okamba nkhani akulowa kutsogolo kutsogolo
4) Ozungulira oyendayenda akuthamanga kuzungulira mbali ndi kumbuyo makoma
5) Mndandanda wachiwiri wamakonzedwe oyandikana nawo pa khoma lirilonse liri pafupi mamita 6 pamwamba pa mndandanda waukulu.
Mwachiwonekere, mtengo wa zinthu zoterezi ukhoza kukhala wapamwamba, ndi kuyika - makamaka okamba nkhani zapayala - okwera mtengo. "Scaffolds amayenera kumangidwanso ndi kutengedwa nthawi 15 zosiyana kuti akweze okamba nkhani pamwamba apo," adatero Kellogg. "Koma sizingakhale zovuta kuti zikhale zirizonse zomwe zisudzo zikhoza kuthera. Mu zisewero zomwe sizili bwino kuikapoza zidutswa zam'mwamba, nthawi zambiri timalimbikitsa awiri kutsogolo, awiri kumbuyo, ndi chimodzi pakati pa denga. Timapeza kuti ndizovuta kukupatsani "mawu a Mulungu".
Chimodzi mwa zinthu zoziziritsa kwambiri zokhudza demo chinali kuti Brink ankayendetsa iyo yonse kuchokera pa kompyuta yake ya laputopu pamene ankakhala kuwonetsero ndi ine, ndipo amatha kusintha kachiwiri kachitidwe kamphindi. Mphamvuyi inamuthandiza kuti andipatse mphamvu zonse za MDA ndi okamba nkhani, ndiyeno kuti agwirizanenso phokosolo m'malo oyankhulira osiyana m'malo omwe amagwiritsidwa ntchito kwa Atmos ndi Auro-3D, komanso pa 7.1.
04 a 04
MDA: Zokumana nazo
Zomwe zili muyesoyi ndiTesescope yamphindi 10, yomwe mungathe kuiwona pamasewera omwe amaonera mafilimu kapena kuyang'ana pa YouTube (koma mu 2.0, osati 48.1). Kwa chiwonetsero, kusakaniza kwa MDA kunapangidwa, ndi zomveka zomwe zilipo monga zojambulazo ndi QSC Core 500i posankha wokamba kapena okamba kuti ayendetse zinthu zowona. Kupyolera pa laputopu yake, Brink adatha kupanga mapu ndi zinthu zosiyanasiyana zomwe ndinakambirana kale.
Kusakaniza kunamveka bwino pamagulu osiyanasiyana, ngakhale 7.1, ndipo khalidwe lofunika la phokoso silinasinthe. Chimene chinasintha chinali lingaliro la chivundikiro. Kuyerekezera kwachindunji ndi 5.1 ndi 7.1 kukuwulula kuchepa kwa stereo, kufananitsa kwa MDA ndi zochitika zina kunawonetsa zolephera zawo.
Telescope ikuchitika kwathunthu mu kanyumba kanyumba kakang'ono kakang'ono, ndipo izi, zodabwitsa, zinawonetsa MDA kuti ikhale yogwira ntchito. Pamene sitimayo ikutha kudutsa mumlengalenga, phokoso limakhala lochepa kwambiri komanso limakhala lopangidwa kuchokera kumagetsi onse ozungulira nyumbayi. Ndili ndi MDA, ndimangokhala ndi chidziwitso chokwanira komanso chosasunthika kuposa momwe ndinakhalira ndi maonekedwe ena, ndi zotsatira zenizeni zoposa zomwe ndinamva kuchokera pa 7.1.
Nthawi iliyonse sitimayo ikamangoyenda kumalo atsopanowo, kutsogolo kutsogolo kumbuyo kunali kosavuta ndi MDA ndi Atmos, ndipo chifukwa cha zowonjezera zazitsulo ndinamva kusiyana kwakukulu mu zotsatirazi.
Malingana ndi demo ili, MDA imandiwoneka ngati chinthu chopita patsogolo kwambiri. Koma ndithudi, ndikukhulupirira kuti zotsatirazi zinkasakanikirana kuti ziwonetse MDA. Ndi kwa akatswiri osanganikirana kuti agwiritse ntchito mwayi umenewu. Kuti MDA ikhale ndi mwayi wopindulitsa pazinthu zenizeni, akatswiri oyanjana adzayenera kukhala ndi nthawi, bajeti komanso chikhumbo chopanga zosakaniza zomwe zimagwiritsira ntchito mphamvu zawo.
Kodi izi zikutanthawuza zotani machitidwe a ma audio ? Kuyambira chaka cha 2014, palibe ndondomeko ya izo, osachepera limodzi DTS akufuna kukambirana. Koma ndi mphekesera zowuluka pafupi ndi kukhazikitsidwa kwa Atmos-okhoza A / V ovomerezeka, n'zovuta kulingalira kuti DTS alibe msika wa m'maganizo.