{"id":12409,"date":"2025-02-02T03:41:39","date_gmt":"2025-02-02T00:41:39","guid":{"rendered":"https:\/\/global.tab-tv.com\/sk\/?p=12409"},"modified":"2025-02-02T03:41:40","modified_gmt":"2025-02-02T00:41:40","slug":"digitalny-audio-dekoder-2-1-5-1-co-to-je","status":"publish","type":"post","link":"https:\/\/global.tab-tv.com\/sk\/digitalny-audio-dekoder-2-1-5-1-co-to-je\/","title":{"rendered":"Digit\u00e1lny audio dek\u00f3der 2.1, 5.1 \u2013 \u010do to je?"},"content":{"rendered":"\n

V digit\u00e1lnych zariadeniach m\u00f4\u017ee by\u0165 zvuk spracovan\u00fd pomocou softv\u00e9rov\u00e9ho dek\u00f3dovania<\/strong>. Napr\u00edklad v prenosn\u00fdch po\u010d\u00edta\u010doch hr\u00e1 centr\u00e1lny procesor k\u013e\u00fa\u010dov\u00fa \u00falohu pri dek\u00f3dovan\u00ed audio streamu. Na zabezpe\u010denie spr\u00e1vneho prehr\u00e1vania s\u00fa potrebn\u00e9 \u0161peci\u00e1lne programy naz\u00fdvan\u00e9 kodeky<\/strong>. Tento pr\u00edstup v\u0161ak za\u0165a\u017euje procesor a spotreb\u00fava jeho zdroje.<\/p>\n\n\n\n

Na zn\u00ed\u017eenie za\u0165a\u017eenia hlavn\u00e9ho procesora pou\u017e\u00edvaj\u00fa v\u00fdrobcovia hardv\u00e9rov\u00e9 audio dek\u00f3dery<\/strong>. M\u00f4\u017eu to by\u0165 \u0161pecializovan\u00e9 \u010dipy<\/strong>, ktor\u00e9 s\u00fa integrovan\u00e9 v z\u00e1kladnej doske alebo samostatn\u00e9 zariadenia s integrovan\u00fdmi audio procesormi. V tomto pr\u00edpade sa spracovanie zvuku neuskuto\u010d\u0148uje prostredn\u00edctvom centr\u00e1lneho procesora, ale pomocou vyhraden\u00e9ho dek\u00f3dera<\/strong>, ktor\u00fd u\u017e obsahuje potrebn\u00e9 kodeky.<\/p>\n\n\n\n

V minulosti sa samostatn\u00e9 audio dek\u00f3dery<\/strong> \u010dasto pou\u017e\u00edvali v desktopov\u00fdch po\u010d\u00edta\u010doch. V telev\u00edzoroch s\u00fa v\u0161ak audio dek\u00f3dery zvy\u010dajne integrovan\u00e9 v z\u00e1kladnej doske<\/strong>. M\u00f4\u017eu ich vyv\u00edja\u0165 r\u00f4zni v\u00fdrobcovia, ako napr\u00edklad Dolby MS12<\/strong>, integrovan\u00fd audio dek\u00f3der, ktor\u00fd podporuje z\u00e1kladn\u00e9 kodeky a form\u00e1ty Dolby<\/strong>.<\/p>\n\n\n\n

Tieto zariadenia m\u00f4\u017eu by\u0165 integrovan\u00e9 ako samostatn\u00e9 \u010dipy na doske<\/strong> alebo existova\u0165 ako extern\u00e9 moduly<\/strong>. V druhom pr\u00edpade sa pou\u017e\u00edvaj\u00fa najm\u00e4 na v\u00fdstup zvuku do reproduktorov\u00fdch syst\u00e9mov<\/strong> a s\u00fa navrhnut\u00e9 na spracovanie digit\u00e1lnych audio sign\u00e1lov<\/strong> (optick\u00fdch alebo HDMI<\/strong>), ktor\u00e9 n\u00e1sledne konvertuj\u00fa na anal\u00f3gov\u00fd form\u00e1t, ktor\u00fd m\u00f4\u017eu prehr\u00e1va\u0165 reproduktory.<\/p>\n\n\n\n

Samostatn\u00e9 audio dek\u00f3dery pre PC<\/strong><\/h2>\n\n\n\n

T\u00e1to konfigur\u00e1cia bola v minulosti be\u017ene pou\u017e\u00edvan\u00e1, no dnes je ove\u013ea menej \u010dast\u00e1. Hlavn\u00fdmi d\u00f4vodmi s\u00fa zlo\u017eitej\u0161\u00ed dizajn<\/strong> a potreba dodato\u010dn\u00fdch audio zosil\u0148ova\u010dov<\/strong> na v\u00fdstup zvuku do reproduktorov. Je ove\u013ea jednoduch\u0161ie integrova\u0165 dek\u00f3der priamo do zvukov\u00e9ho syst\u00e9mu.<\/p>\n\n\n\n

Ni\u017e\u0161ie je pr\u00edklad audio dek\u00f3derovej dosky pre PC.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Extern\u00e9 audio dek\u00f3dery<\/strong><\/h2>\n\n\n\n

Existuj\u00fa aj samostatn\u00e9 audio dek\u00f3dery<\/strong>, ktor\u00e9 sl\u00fa\u017eia r\u00f4znym \u00fa\u010delom. Napr\u00edklad, ak m\u00e1te star\u00fd reproduktorov\u00fd syst\u00e9m alebo zosil\u0148ova\u010d<\/strong>, ktor\u00fd nepodporuje modern\u00e9 audio form\u00e1ty alebo nem\u00e1 optick\u00e9 alebo HDMI vstupy<\/strong>, ale st\u00e1le dobre funguje ako zosil\u0148ova\u010d, m\u00f4\u017eete si zak\u00fapi\u0165 samostatn\u00fd dek\u00f3der<\/strong>, aby ste svoj syst\u00e9m upgradovali na modern\u00e9 \u0161tandardy.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u010co je audio dek\u00f3der?<\/strong><\/h2>\n\n\n\n

Niektor\u00e9 z\u00e1kladn\u00e9 audio dek\u00f3dery<\/strong> dok\u00e1\u017eu spracova\u0165 len stereo zvuk<\/strong>, dek\u00f3duj\u00fa len dve kan\u00e1ly: \u013eav\u00fd a prav\u00fd (2.0)<\/strong>. 2.1 dek\u00f3der<\/strong> nielen\u017ee dek\u00f3duje stereo kan\u00e1ly, ale aj extrahuje n\u00edzkofrekven\u010dn\u00e9 sign\u00e1ly<\/strong> pre subwoofer.<\/p>\n\n\n\n

5.1 dek\u00f3der<\/strong> dok\u00e1\u017ee spracova\u0165 zvuk na \u0161iestich kan\u00e1loch:<\/p>\n\n\n\n

    \n
  • \u013dav\u00fd (Front Left)<\/strong><\/li>\n\n\n\n
  • Prav\u00fd (Front Right)<\/strong><\/li>\n\n\n\n
  • Centrum<\/strong><\/li>\n\n\n\n
  • Dva zadn\u00e9 kan\u00e1ly (Rear Left a Rear Right)<\/strong><\/li>\n\n\n\n
  • Subwoofer<\/strong><\/li>\n<\/ul>\n\n\n\n

    7.1 dek\u00f3der<\/strong> prid\u00e1va \u010fal\u0161ie dva bo\u010dn\u00e9 kan\u00e1ly, \u010d\u00edm e\u0161te viac zlep\u0161uje priestorov\u00fd zvuk.<\/p>\n\n\n\n

    Dek\u00f3der Dolby Atmos<\/strong> ide e\u0161te \u010falej a vytv\u00e1ra 3D zvuk<\/strong>, \u010do poskytuje realistickej\u0161\u00ed a priestorovej\u0161\u00ed z\u00e1\u017eitok z po\u010d\u00favania.<\/p>\n","protected":false},"excerpt":{"rendered":"

    V digit\u00e1lnych zariadeniach m\u00f4\u017ee by\u0165 zvuk spracovan\u00fd pomocou softv\u00e9rov\u00e9ho dek\u00f3dovania. Napr\u00edklad v prenosn\u00fdch po\u010d\u00edta\u010doch hr\u00e1 centr\u00e1lny procesor k\u013e\u00fa\u010dov\u00fa \u00falohu pri dek\u00f3dovan\u00ed audio streamu. Na zabezpe\u010denie spr\u00e1vneho prehr\u00e1vania s\u00fa potrebn\u00e9 \u0161peci\u00e1lne programy naz\u00fdvan\u00e9 kodeky. Tento pr\u00edstup v\u0161ak za\u0165a\u017euje procesor a spotreb\u00fava jeho zdroje. Na zn\u00ed\u017eenie za\u0165a\u017eenia hlavn\u00e9ho procesora pou\u017e\u00edvaj\u00fa v\u00fdrobcovia hardv\u00e9rov\u00e9 audio dek\u00f3dery. M\u00f4\u017eu to by\u0165 […]<\/p>\n","protected":false},"author":1,"featured_media":12412,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[5,86],"tags":[87],"class_list":["post-12409","post","type-post","status-publish","format-standard","has-post-thumbnail","category-audio","category-technologia","tag-technologia"],"_links":{"self":[{"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/posts\/12409","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/comments?post=12409"}],"version-history":[{"count":2,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/posts\/12409\/revisions"}],"predecessor-version":[{"id":12414,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/posts\/12409\/revisions\/12414"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/media\/12412"}],"wp:attachment":[{"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/media?parent=12409"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/categories?post=12409"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/tags?post=12409"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}