Tsvaga chokwadi pamusoro peMCD CD uye zvidzidzo zvakafanana zvema disc
Kunyange zvazvo CD dzakanyorwa kare dzakatadza kunyatsorasikirwa nekunaka kwavo nekunakidzwa kwemudhidhiyo emimhanzi kubudiswa nekudhinda , ndiyo yaiva CD yakatanga dhidhiyo mumhanzi revolution. Vakawanda vachiri kuda maCD uye zvose vanozvitenga uye vanozvitamba nguva dzose. Hezvino izvo zvaunoda kuziva pamusoro peMCD CD, uye zvakanamatira ma-form-based formats.
The Audio CD Format
CD inomirira Compact Disc. Compact Disc inosanganisira zvose disc uye digital audio playback format yakagadzirwa na Philips na Sony iyo inzwi inonzi encoded encoded, yakafanana nenzira iyo data yekombiyuta inowedzerwa (1 uye 0), kupinda mumakomba padhidhi, vachishandisa nzira inonzi PCM iyo inomiridzi yemasvomhu yemimhanzi.
Ikokutanga CD rerekodhi yakagadzirwa muGermany musi waAugust 17, 1982. Musoro wekutanga wekodha yekuongorora dhidhiyo: Richard Strauss '- Alpine Symphony . Yakanga iri gare gare gore iroro, musi waOctober 1 muna 1982, kuti vatambi veCD vakabva vawanikwa kuU.S. uye kuJapan. CD yekutanga yakatengeswa (yekutanga kuJapan) yaiva Billy Joel's 52nd Street yakanga yakambobudiswa pavinyl muna 1978.
Iko CD yakatanga kudhindwa kwema digital mune audio, PC Gaming, PC kuchengetedza maitiro, uye yakabatsirawo pakugadzirwa kweDVD. Sony nePhilips vanobatanidza zvibvumirano pakugadzirwa kwekombiyuta yeCD neCD.
Izvo zvakananga CD audio audio format inonziwo "Redbook CD".
Kuti uwane mamwe mashoko pamusoro penyaya yeCD audio, chengeta mushumo kubva kuNNN.com.
Uyewo, tarisa mufananidzo uye kuongorora kwakakwana (yakanyorwa muna 1983 naStereophile Magazine) yekutanga CD player inotengeswa kuvanhu vose.
Mukuwedzera kune zvakanyorwa kare zvakanyorwa, maCD anogonawo kushandiswa mune mamwe mabasa akawanda:
- CD-R - CD-R inomirira CD-Recordable. Aya mabhuku anogona kushandiswa kutora kana "kupisa" mimhanzi kana dhina uchishandisa CD Recorder (mimhanzi chete) kana PC (mimhanzi kana data). Zvimwe zveCD-R zvakasarudzwa kuti mimhanzi inyore chete uye vamwe vanogona kunyora zvose mimhanzi kana data. CD-Rs inogona kunyorwa chete kamwechete.
- CD-RW - Izvo zvakafanana neCD-R, kunze kwekuti CD inogona kushandiswa uye kushandiswa zvakare (RW rondedzero rinoreva Kureva kunyorwa).
- MP3-CD - An MP3 CD inogona kuva CD-R kana RW discs kuti mavhidhiyo emimhanzi MP3 akanyorwa pane, panzvimbo yemafaira eCD audio. Aya mabhuku anogona kutambawa paCD, DVD, uye Blu-ray Disc (iwe unofanirwa kutarisa zvinoitwa nemutambi).
- JPEG Photo CD - JPEG Photo CD ingangodaro iine CD-R kana RW rairi ine zvifananidzo pairi zvakanyorwa mujeri yefaira re JPEG. JPEG MaCD Mavhidhiyo anogona kutambawa paPc uye CD yakabatana, DVD, uye vatambi veBlu-ray Disc.
- VideoCD - Mukuwedzera kumamhanzi nemifananidzo, unogona zvakare kunyora video paCD . Izvi hazvina kufanana neDVD, ine huni huri pakati-pakati peDVD neVHS mafomu. Uyewo, mavhidhiyo eCCD haatombotambiki paCD, kunze kwekuti CD player ine vhidhiyo inobva kubudiswa (izvo zvisingaiti) - kunyange zvazvo vatambi veVideoCD vakazvitsaurira vaimbozivikanwa mumisika dzakawanda dzeAsia. VideoCDs inogona kutamba paDVD inoenderana neBlu-ray disc.
HDCD
HDCD inoparadzaniswa neCD audio standard iyo inowedzera mashoko ehurukuro akachengetwa mumudhiyo weCD ne 4-bits ( CDs yakadzika 16bit audio teknolojia ) kusvika 20bits, HDCD inogona kuwedzera simba sonic yezvinoti teknolojia yeCD kune itsva, asi zvichiri kubvumira, maCDCD encoded CD kuti adziwe pane vasina HDCD CD (vasingatengi HDCD vanongonyatsorega zvimwe "bits") pasina kuwedzera kwemutengo weCD software. Uyewo, sechinhu-chikafu chekufambisa zvakajeka mitsara muHCDCD chips, kunyange ma "CD" anonzwika akazara uye akawanda zvepanyika paCDCD-yakagadzirwa CD player.
HDCD yakatanga kusimbiswa nePacific Microsonics, uye yakazova iyo yeMicrosoft. Iko yeCDCD yekutanga yakabudiswa muna 1995, uye kunyange isina kumbobvira yakabatwa neRotbook CD format, dzinopfuura 5,000 mazita akabudiswa (tarisa mazita akasiyana).
Paunenge uchitenga mimhanzi CD, tarisa HDCD yekutanga pamusana kana mukati. Zvisinei, kune zvakawanda zvinobudiswa zvisingasanganisi HDCD label, asi, zvingave zvichiri HDCD discs. Kana uine CD player iyo inoshandisa HDCD decoding, ichangoiona uye ichipa zvinyorwa zvinowedzera.
HDCD inonziwo High Definition Compatible Digital, High Definition Compact Digital, High Definition Compact Disc
SACD
SACD (Super Audio Compact Disc) inopikisa hurukuro yemavhidhiyo yakagadzirwa naSon na Philips (avo vakagadzira CD). Kushandisa iyo Direct Direct Digital (DSD) mafaira, format SACD inopa huwandu hwakanaka hwekuberekorora kupfuura Pulse Code Modulation (PCM) inoshandiswa mune ino ma CD.
Kunyange zvazvo CD yakawanda yakasungirirwa yakasungirwa ku 44.1 kHz sampling rate, SACD samples pa 2.8224 MHz. Uyewo, nekwakachengetedzwa kwekuchengetedza kwe 4.7 gigabytes pa diski (yakafanana neDVD), SACD inogona kugadzirisa mararamiro akasiyana-siyana emakiromita makumi maviri nerimwe. Nzira yeSACD inewo mvumo yekuratidza mufananidzo nemashoko ekunyora, zvakadai sematareti, asi chinhu ichi hachina kuiswa mune zvakawanda discs.
Vatambi veCD havagoni kutamba SACDs, asi vashandi veSACD vanodzokera shure vachienderana nemaCD, uye mamwe maDC disks ari maviri-disk discs neCPM zvinyorwa zvinogona kutambirwa paCD player. Mune mamwe mazwi, iyo disk inogona kubata zvose CD version uye SACD version yezvakanyorwa zvakanyorwa. Izvozvo zvinoreva kuti iwe unogona kuisa mu-two-format format SACD kuti itambe pane yako yazvino yemutambo weCD uye zvadaro uwane zvigadziro zveSACD pane imwe tsamba gare gare pane muSADD-mutambo unoenderana.
Zvinofanira kuonekwa kuti kwete dzose dzeSDD disks dzine CD yakazara-iyo inoreva kuti unofanirwa kuongorora disc label kuti uone kana rimwe sarudzo yeSACD inogonawo kutamba pane CD player yakazara.
Mukuwedzera, pane mamwe mapepa ekupedzisira, DVD, Blu-ray, uye Ultra HD Disc vatambi vanogonawo kutamba SACDs.
SACD inogona kuuya mune-2-kanzira kana mitauro yezvikwata. Mune zviitiko neSACD inewo ma CD pane diski, CD inogara iine 2-mitsara, asi shanduro yeSACD inogona kuva ye 2 kana ye-multi-channel version.
Chinhu chimwe chekutaura ndechokuti DSD faira maitiro ekugadzirisa mashandisi anoshandiswa muSACD inoshandiswawo seimwe yemafomu anowanikwa maHi-Res audio downloads. Izvi zvinopa muteereri vanoteerera unhu hunosimbiswa mumutambo weusati womuviri wechiramu.
SACD inonziwo Super Audio CD, Super Audio Compact Disc, SA-CD