M-Audio M-Track Duo - mawonekedwe omvera

M-Audio, yosasinthika modabwitsa, imatchula chinthu chake chotsatira M-Track. M'badwo waposachedwa kwambiri wamawonekedwe awa umakopa ndi mtengo wotsika kwambiri, ma Crystal preamp ndi mapulogalamu ophatikizika.

Ndizovuta kulingalira, koma mawonekedwe athunthu amtundu wa 2x2 ngati M-Track Duo tsopano ndiotsika mtengo kuposa zingwe zagitala! Mwina dziko lafika pachimake, kapena pali chinsinsi mu chipangizo ichi chomwe ndi chovuta kuchimvetsetsa. Mwamwayi, palibe mmodzi kapena winayo. Kufotokozera kosavuta kwa mtengo wotsika ndi kugwiritsa ntchito codec yomwe imathandizanso kutengerapo kwa USB. Kotero, tili ndi analogi-to-digital converter, digito-to-analog converter ndi purosesa yomwe imayendetsa ntchito yawo mwa mawonekedwe a dera limodzi lophatikizana, lomwe pakali pano ndi Burr Brown PCM2900. Komabe, kusinthasintha, kuwonjezera pa kuphweka ndi mtengo wotsika wa yankho lonse, kumagwirizanitsidwa ndi zofooka zina.

Zigawo 16

Choyamba ndi kugwiritsa ntchito protocol ya USB 1.1, chochokera ku chikhalidwe ichi ndi kutembenuka kwa 16-bit ndi sampuli mpaka 48 kHz. Izi zimapangitsa kuti pakhale kusintha kosinthika komwe sikudutsa 89 dB mumayendedwe a analogi mpaka digito, ndi 93 dB mumayendedwe a digito-to-analogi. Izi ndi zosachepera 10 dB kuchepera kuposa njira zomwe zimagwiritsidwa ntchito 24-bit masiku ano.

Komabe, ngati tikuganiza kuti chipangizochi chidzagwiritsidwa ntchito pojambula mu situdiyo yakunyumba, ndiye kuti kujambula kwa 16-bit sikukhala cholepheretsa chachikulu kwa ife. Kupatula apo, mulingo wapakati waphokoso, zosokoneza ndi mitundu yosiyanasiyana ya mawu ozungulira, ngakhale mu kanyumba kabata, ndi pafupifupi 40 dB SPL. Pamitundu yonse ya 120 dB yamphamvu yamawu amunthu, 80 dB yokha ndiyomwe imapezeka kwa ife. Maikolofoni ndi preamplifier idzawonjezera osachepera 30 dB ya phokoso lawo, kotero kuti mawonekedwe enieni a siginecha yothandiza yojambulidwa ndi pafupifupi 50-60 dB.

Ndiye chifukwa chiyani 24-bit computing imagwiritsidwa ntchito? Kuti mumve zambiri pamutu komanso magwiridwe antchito pamalo opanda phokoso akatswiri okhala ndi maikolofoni apamwamba opanda phokoso komanso ma preamp apamwamba kwambiri. Komabe, pali zifukwa zochepa zomwe kujambulidwa kwa 16-bit mu situdiyo yakunyumba sikungakhale cholepheretsa kupeza mawu omveka bwino.

kupanga

Ma maikolofoni opangira ma preamp amapangidwa mwaluso ndi kulowetsa kwa transistor ndi kupindula kwamagetsi komwe kumayendetsedwa ndi op-amp. Kumbali ina, zolowetsa mzere zimakhala ndi njira yokulirapo, ndipo zolowetsa gitala zimakhala ndi FET buffer. Zotulutsa pamzere zimakhala zokhazikika pakompyuta komanso zosungidwa, pomwe zotulutsa zam'mutu zimakhala ndi amplifier yosiyana. Zonsezi zimapanga chithunzi cha mawonekedwe osavuta koma oganiza bwino okhala ndi zolowetsa ziwiri zapadziko lonse lapansi, zotuluka ziwiri za mzere ndi kutulutsa kwamutu. Mu mawonekedwe a hardware monitor, titha kusintha pakati pa magawo omvera kuchokera mkati mwa pulogalamu ya DAW; kuchokera pazolowetsa za mono (zonse zomveka pamakanema onse awiri) ndi DAW; ndi stereo (mmodzi kumanzere, wina kumanja) ndi DAW. Komabe, simungathe kusakaniza kuchuluka kwa chizindikiro cholowera ndi chizindikiro chakumbuyo.

Mosasamala kanthu za zoikamo zowunikira, zolowetsazo zimatumizidwa ku USB ndipo zimawonekera mu mapulogalamu a DAW ngati doko la USB Audio Codec lanjira ziwiri. Ma combo amalowetsa mosakhazikika ku mic mode pomwe pulagi ya XLR yalumikizidwa, kwinaku mukuyatsa pulagi ya 6,3mm TS kapena TRS imatsegula mzere kapena chida, kutengera masinthidwe a switch.

Thupi lonse la mawonekedwewo limapangidwa ndi pulasitiki, ndipo ma potentiometers ali m'malo otsetsereka. Zophimba zawo zokhala ndi mphira zimapangitsa kuti kugwira ntchito kukhale kosavuta. Ma jacks olowetsa amamangiriridwa mwamphamvu pagulu, ndipo ma jacks otulutsa samakonda kugwedezeka mopitilira muyeso. Zosintha zonse zimagwira ntchito bwino komanso modalirika. Ma LED akutsogolo akuwonetsa kukhalapo ndi kupotoza kwa siginecha yolowera komanso kuyambitsa kwamagetsi a phantom omwe amapezeka pazolowera zonse ziwiri.

Chipangizocho chimayendetsedwa ndi doko la USB. Timawalumikiza ku makompyuta a Mac popanda kufunikira kukhazikitsa madalaivala, ndipo pa Windows, madalaivala a ASIO akhoza kumasulidwa kuchokera ku webusaiti ya opanga.

Pochita

Palibe chiwonetsero champhamvu pamawonekedwe, koma izi zitha kuwonedwa ndikuyambitsa kwakanthawi kaphantom voteji pazolowera. Kusintha kosiyanasiyana kwa kukhudzidwa kwa maikolofoni kumatengera pafupifupi 55 dB. Kuwongolera koyenera kwa njanji ya DAW yokhala ndi siginecha yodziwika bwino ya maikolofoni ya condenser kumatha kupezeka pokhazikitsa phindu mpaka pafupifupi 75% yakusintha. Pankhani ya magitala amagetsi, idzakhala, kutengera chida, kuchokera ku 10 mpaka 50%. Kuyika kwa mzere kumakhala ndi chidwi cha 10 dB kutsika kuposa kuyika kwa maikolofoni. Mulingo wa kupotoza ndi phokoso pa linanena bungwe -16 dB mmene 93-bit zolumikizira, kotero chirichonse chiri monga momwe ziyenera kukhalira pankhaniyi.

Vuto lina likhoza kubwera pomvetsera chizindikiro kuchokera ku maikolofoni zolowetsa - mu mahedifoni, mosasamala kanthu za zoikidwiratu, zidzasowa nthawi zonse. Ili ndi vuto lodziwika bwino lomwe lili ndi ma audio otsika mtengo kwambiri, kotero sindimkangana nazo, ngakhale sizingachedwetse ntchito yanu.

Ma preamp a Mic amakhala ndi kulumpha kwakuthwa kumapeto kwa gawo lowongolera, ndipo mfundo za Gain zimagwedezeka kwambiri - uku ndi kukongola kwina kwa mayankho otsika mtengo. Kutulutsa kwamutu kwamutu ndi chizindikiro chofanana ndi zotsatira za mzere, kokha tikhoza kusintha magawo awo paokha.

Pulogalamu yamapulogalamu yomwe ilipo ikuphatikizapo 20 Avid plug-ins, Xpand!2 virtual sound module ndi Eleven Lite guitar amp emulation plug-in.

Chidule

M-Track Duo ndi njira yothandiza, yothandiza komanso yotsika mtengo kwambiri yomwe imakupatsani mwayi wojambulira maikolofoni ndi zida zamagetsi ndi zamagetsi mu studio yakunyumba kwanu. Palibe zozimitsa moto kapena mayankho apadera aukadaulo, koma chilichonse chomwe chimakulolani kuti mumalize ntchitoyi mwachangu. Choyamba, titha kugwiritsa ntchito zolumikizira za XLR, TRS ndi TS, zomwe sizowoneka bwino pamitengo iyi. Pali ma preamplifiers okwanira okwanira, amplifier yotulutsa bwino yam'mutu komanso kuthekera kolumikiza zowunikira zogwira ntchito popanda ma adapter ndi vias.

Kuchepetsa pamapulogalamu apamwamba kwambiri kudzakhala kusinthika kwa 16-bit komanso kuwongolera kwapakati kwa siginecha kuchokera pazolowetsa maikolofoni. Mutha kukhala ndi kukaikira za kukhazikika kwa zowongolera zopindula, ndipo muyenera kupewa kuziyika zonse pakumvetsera mwachidwi. Komabe, izi sizoyipa zomwe zinthu zina, ngakhale zodula kwambiri, sizingakhale zopanda pake.

Palibe kukayika kuti mu mawonekedwe a M-Track Duo tili ndi imodzi yotsika mtengo kwambiri ya 2x2 audio interfaces pamsika, magwiridwe antchito omwe sangachepetse kukula kwa luso la wogwiritsa ntchito kapena luso lopanga nyimbo. mu studio yakunyumba.