Bayyanar na farko Laser Disc

A lokacin, bayyanar da farko Laser Disc da aka kama a juyin juya halin. Shi sosai shi ne mai real juyin juya halin a fagen na'urar ajiya. Bayyanar na farko Laser Disc yanaye raba matakai a ci gaba da kwamfuta fasahar cikin "kafin" da "bayan" CD.

Me ya sa haka muhimmanci? Alal misali, yanzu sayarwa akwai tafiyarwa Blu-Ray, kafofin yada labaran waje tafiyarwa dangane flash ƙwaƙwalwar ajiya ko Magnetic rikodi, duk da haka, game da duk wani tunkaro babu wanda yayi magana. The abu ne cewa, a halin yanzu lokaci akwai wata halitta juyin ci gaban fasaha. Mafi yawan masu amfani iya kula kasa da yadda da yawa daga cikin rumbun kwamfutarka a wani gida kwamfuta - 2 ko 3 terabytes, muddin akwai wani irin shirye-shiryen, wanda zai bukatar irin wannan babban girma. MP3 tarin ko movie fayiloli za a iya amince adana a wani fayil a kan Disc: duk isa ga duk daya free girma. Da zarar yi ajiyar - wannan gaskiya ne ga talakawan mai amfani.

A halin da ake ciki da aka quite daban-daban a lokacin da akwai bayyanar da farko Laser Disc. Duk da yake da asali bayanai dako sun tafiyarwa (wuya DISKs) , m Magnetic diskette. dangane da halin maganaɗisu floppy faifai drive bayanai iya rike har zuwa 1,44 MB na bayanai. Hakika, akwai m model da damar zuwa 2,88 MB kuma madadin mafita da wannan manufa da rikodi - Iomega Zip da Jazz (har zuwa 750 MB ga misali faduwar rana lokacin), duk da haka, saboda da babban kudin da tafiyarwa da kuma dako da kansu suke ba isasshe yada. A size dukkan shirye-shirye da ya karu, don haka babu wanda shi ne mamaki idan canja wurin bayanai da ya wajaba don amfani ba daya amma da dama diskettes. Musamman rumbun kwamfutarka iya aiki bai isa ba, saboda ya bayyana more kuma mafi shirye-shiryen da son ci gaba. Branch bayar da umarnin rike a jira na wani sabon abu da zai iya warware wadannan batutuwa.

A lokaci guda a cikin filin na audio fayafayan har yanzu mulki. Tare da duk shortcomings saba: shi ne bukatar daidaita karanta shugaban. selection na Magnetic coatings (Chrome, da baƙin ƙarfe). Lokaci-lokaci tsaftacewa broaching inji; cikas harkokin sufuri da kuma ajiya (Magnetic filin zai iya lalata rikodi). Bayyanar na farko Laser Disc nasarar warware duk wadannan matsaloli: a kwamfuta fasaha ya zama zai yiwu don adana da kuma canja wurin daga daya kwamfuta zuwa babban kundin (650 - 900 MB) na bayanai, da kuma rikodin duniya yana da a da zubar a duniya matsakaici, bã tãre da rashin kaset da kuma mafificin su a cikin ingancin sauti.

Ya zuwa yanzu ba za mu iya ce yaƙĩni wanda a zahiri ƙirƙira da CD. An kullum yarda da ra'ayin cewa su a shekarar 1979 ɓullo da biyu manyan kamfanonin - Philips da kuma Sony. Bayan shekaru uku, da taro samar da CDs, kuma related na'urorin ga karatu da aka kafa. A daidai wannan lokaci, wani lokacin ba za ka iya nemo tabbatarwa cewa CD da aka ƙirƙira by likita D. Russell a 1971 a matsayin madadin zuwa ga tarin roba records, karce-yiwuwa.

Ga wasu ban sha'awa facts alaka da CDs:

- Disc Girman 12 cm da aka zaba ba kwatsam. Sony Engineers yi imani da cewa isasshen na 100 mm, kamar yadda wannan ya sa karanta na'urar mafi m. A Philips ra'ayin cewa size ya zama daidai da diagonal cassette (115 mm).

- Kamar yadda mataimakin shugaban na Sony, Norio shaida wa jami'an tsaro cewa ya yi ĩmãni da Disc dole ne cikakken saukar da Beethoven Symphony ta Tara (74 minti na sauti), wanda aka fassara a cikin dijital data sanya shi 650 MB.

- A 1980, da girman da CD karshe an amince da kamfanoni, shi ne 12 cm.

- Tun daga shekarar 2000 700MB (80 minutes) iri kusan gaba daya maye gurbin ta 650MB takwarorinsu. Ba da da ewa akwai 800 da kuma ko da 900 MB fayafai, amma taro rarraba su samu.