{"id":117602,"date":"2024-05-09T06:47:47","date_gmt":"2024-05-09T03:47:47","guid":{"rendered":"https:\/\/milliycha.uz\/?p=117602"},"modified":"2024-05-09T06:47:50","modified_gmt":"2024-05-09T03:47:50","slug":"magnitik-yozish","status":"publish","type":"post","link":"https:\/\/milliycha.uz\/ru\/magnitik-yozish\/","title":{"rendered":"Magnitik yozish"},"content":{"rendered":"\n<p>Magnitik yozish &#8212; tovush (nutq, musiqa) ni magnitli axborot eltuvchi (magnit lenta, magnit disk va b.) ga mag- nit usulida yozib olish va qayta eshitti- rish. Tovushni yozib olishda axborot el- tuvchi yoki ayrim qismlarining qoldiq magnit holati tovush signallariga mo- NAND o&#8217;zgaradi. Tovushni qayta eshit- tirishda teskari jarayon yuz beradi va shunga muvofiq ravishda tovush signal- lari hosil bo&#8217;ladi. Axborot eltuvchining magnitlanish yo&#8217;nalishiga, signallarni yozib olish va kayta eshittirish kanalla- rida yuz beradigan o&#8217;zgarish turiga hamda magnit kallakka signal tokidan tashqari qo&#8217;shimcha magnitlaydigan o&#8217;zgarmas yoki o&#8217;zgaruvchan tok berilishiga qarab, M. yo.ning bir necha usullari qo&#8217;llaniladi. Tovushni yozib olishda Diktofon, magni- tofon, tasvir va tovushni yozib olishda videomagnitofon va axborotni juda aniq M. yo. da aniq magnitik yozib olish apparatlaridan foydalaniladi. M. yo.da yozib olish kanali kirishiga (mas, magnitofon kuchaytirgichiga) tush- gan elektr signallar kuchaytiriladi va o&#8217;zgartiriladi. Kanalning oxirgi qismi magnit kallak hisoblanadi. Magnit kal- lakda vujudga keladigan magnit maydon kallak chulg&#8217;amidagi tokka mutanosib bo&#8217;ladi. Magnit maydon harakatlanib turgan magnit lentaga (yoki magnit Di- ekka va b.) ta&#8217;sir qilib, uning ayrim qismlarini magnitlaydi va magnitli yozuv yo&#8217;lini hosil qiladi (tovush mag- nit lentaga yozilib qoladi). Magnitli yozuv yo&#8217;li hosil bo&#8217;lgan magnit lenta signalogramma deb ataladi. Tovush- ni qayta eshittirishda signalogram- ma harakatlanishi mobaynida magnit kallak chulg&#8217;amida yozib olingan tovush signallarini eltuvchi e. yu. k. (elektr yurituvchi kuch) ni paydo qiladi. Tovush- ni kuchaytirish qurilmasi signallarni kuchaytirib va tovushga aylantirib bera- Di. Tovush radiokarnaylar orqali eshit- tiriladi. Tovushni yozib olish jarayoni qancha tez amalga oshirilsa, tovush shuncha sifatli chiqadi: mas, tovush chastotalari 30 Gts \u2014 16 kgs oralikda bo&#8217;lgan elektr tebranishlarni magnitofonda yozib olish uchun magnit lentaning harakatlanish tezligi 9,5 sm\/s bo&#8217;lishi kifoya. Vidio- magnitofonda 10-15 MGs gacha chastota- lar oralig&#8217;idagi signallarni yozib olish uchun magnit lentaning harakatlanish tezligi 50 m\/s gacha oshirilishi lozim.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Magnitik yozish &#8212; tovush (nutq, musiqa) ni magnitli axborot eltuvchi (magnit lenta, magnit disk va b.) ga mag- nit usulida yozib olish va qayta eshitti- rish. Tovushni yozib olishda axborot &hellip; <a href=\"https:\/\/milliycha.uz\/ru\/magnitik-yozish\/\" class=\"more-link\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":99837,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[217],"tags":[],"class_list":["post-117602","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-m-harfi","entry"],"translation":{"provider":"WPGlobus","version":"3.0.2","language":"ru","enabled_languages":["uz","kr","ru"],"languages":{"uz":{"title":true,"content":true,"excerpt":false},"kr":{"title":false,"content":false,"excerpt":false},"ru":{"title":false,"content":false,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/posts\/117602","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/comments?post=117602"}],"version-history":[{"count":1,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/posts\/117602\/revisions"}],"predecessor-version":[{"id":117619,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/posts\/117602\/revisions\/117619"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/media\/99837"}],"wp:attachment":[{"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/media?parent=117602"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/categories?post=117602"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/tags?post=117602"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}