{"id":99263,"date":"2025-08-06T18:56:55","date_gmt":"2025-08-06T15:56:55","guid":{"rendered":"https:\/\/www.lovendal.ro\/wp52\/?p=99263"},"modified":"2025-08-06T18:56:55","modified_gmt":"2025-08-06T15:56:55","slug":"descoperire-colosala-pentru-omenire-in-1991-inventarea-fisierului-audio-mp3-de-catre-un-inginer-german-astfel-s-au-putut-micsora-imensele-fisiere-muzicale-cu-95-fara-a-deteriora-calitatea-sunetul","status":"publish","type":"post","link":"https:\/\/www.lovendal.ro\/wp52\/descoperire-colosala-pentru-omenire-in-1991-inventarea-fisierului-audio-mp3-de-catre-un-inginer-german-astfel-s-au-putut-micsora-imensele-fisiere-muzicale-cu-95-fara-a-deteriora-calitatea-sunetul\/","title":{"rendered":"Descoperire colosal\u0103 pentru omenire \u00een 1991: inventarea fisierului audio .mp3 de c\u0103tre un inginer german. Astfel, s-au putut mic\u015fora imensele fi\u015fiere muzicale cu 95%, f\u0103r\u0103 a deteriora calitatea sunetului"},"content":{"rendered":"<p><a href=\"https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2025\/08\/inginer-mp3.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-99264\" src=\"https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2025\/08\/inginer-mp3.jpg\" alt=\"\" width=\"350\" height=\"302\" srcset=\"https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2025\/08\/inginer-mp3.jpg 350w, https:\/\/www.lovendal.ro\/wp52\/wp-content\/uploads\/2025\/08\/inginer-mp3-300x259.jpg 300w\" sizes=\"auto, (max-width: 350px) 100vw, 350px\" \/><\/a>\u00cen urm\u0103 cu circa 40 de ani, un inginer german a primit o sarcin\u0103 care p\u0103rea imposibil\u0103: s\u0103 mic\u0219oreze un fi\u0219ier muzical digital cu aproape 95%, f\u0103r\u0103 a strica sunetul. Acest inginer se numea <strong>Karlheinz Brandenburg<\/strong>. El \u0219i echipa sa de la <em>Institutul Fraunhofer<\/em> din Germania au acceptat provocarea la sf\u00e2r\u0219itul anilor 1980. Problema era c\u0103 fi\u0219ierele audio digitale de \u00eenalt\u0103 calitate erau masive, ceea ce le f\u0103cea impracticabile pentru stocarea sau trimiterea lor prin canalele de comunica\u0163ie electronic\u0103 de la acea vreme.<\/p>\n<p>\u00cens\u0103, solu\u021bia lor s-a bazat pe psihoacustic\u0103, studiul modului \u00een care percepem sunetul. \u0218i-au dat seama c\u0103 urechea uman\u0103 nu poate auzi fiecare frecven\u021b\u0103 dintr-o \u00eenregistrare. Algoritmul pe care l-au creat elimin\u0103 inteligent p\u0103r\u021bile audio care sunt inaudibile pentru majoritatea oamenilor, reduc\u00e2nd dramatic dimensiunea fi\u0219ierului. Acest nou format a fost standardizat \u00een 1991 \u0219i denumit oficial <strong>MPEG-1 Audio Layer III<\/strong>. \u00cel cunoa\u0219tem ast\u0103zi sub numele de <strong>MP3<\/strong>. Extensia de fi\u0219ier <em>&#8222;.mp3&#8221;<\/em> a fost adoptat\u0103 oficial \u00een 1995 \u0219i a schimbat complet lumea. Dintr-o dat\u0103, puteai stoca sute de melodii pe un dispozitiv care \u00eenc\u0103pea \u00een buzunar. Era muzicii digitale \u0219i a <em>iPod<\/em>-ului s-a n\u0103scut direct din aceast\u0103 descoperire.<\/p>\n<p>Munca lui Brandenburg a deschis calea pentru \u00eentreaga revolu\u021bie a muzicii digitale, schimb\u00e2nd fundamental pentru totdeauna modul \u00een care cump\u0103r\u0103m, stoc\u0103m \u0219i ascult\u0103m muzic\u0103.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00cen urm\u0103 cu circa 40 de ani, un inginer german a primit o sarcin\u0103 care p\u0103rea imposibil\u0103: s\u0103 mic\u0219oreze un fi\u0219ier muzical digital cu aproape 95%, f\u0103r\u0103 a strica sunetul. Acest inginer se numea Karlheinz Brandenburg. El \u0219i echipa sa &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Descoperire colosal\u0103 pentru omenire \u00een 1991: inventarea fisierului audio .mp3 de c\u0103tre un inginer german. Astfel, s-au putut mic\u015fora imensele fi\u015fiere muzicale cu 95%, f\u0103r\u0103 a deteriora calitatea sunetului\" class=\"read-more button\" href=\"https:\/\/www.lovendal.ro\/wp52\/descoperire-colosala-pentru-omenire-in-1991-inventarea-fisierului-audio-mp3-de-catre-un-inginer-german-astfel-s-au-putut-micsora-imensele-fisiere-muzicale-cu-95-fara-a-deteriora-calitatea-sunetul\/#more-99263\" aria-label=\"Cite\u0219te mai multe despre Descoperire colosal\u0103 pentru omenire \u00een 1991: inventarea fisierului audio .mp3 de c\u0103tre un inginer german. Astfel, s-au putut mic\u015fora imensele fi\u015fiere muzicale cu 95%, f\u0103r\u0103 a deteriora calitatea sunetului\">Cititi mai multe<\/a><\/p>\n","protected":false},"author":1,"featured_media":99264,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12567],"tags":[203,4609,20128,20127,30,4101,12568],"class_list":["post-99263","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tehnologii","tag-germania","tag-inginer","tag-ipod","tag-mp3","tag-muzica","tag-sunet","tag-tehnologii","resize-featured-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.3 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Descoperire colosal\u0103 pentru omenire \u00een 1991: inventarea fisierului audio .mp3 de c\u0103tre un inginer german. 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