Kotak atas set: Perbezaan antara semakan
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Laman baru: thumb|Digital television set-top box '''Kotak atas set''' ({{lang-en|'''set-top box'''}}, '''STB''') ialah sejenis device y... |
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[[Image:Digital-tv-box från Nokia.jpg|thumb|
'''Kotak atas set''' ({{lang-en|'''set-top box'''}}, '''STB''') ialah sejenis [[perkakas maklumat|
==Sejarah==
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== Teelvisyen digital ==
Kotak atas set [[digital]] khas disediakan untuk penerimaan siaran [[televisyen digital]] pada set-set TV yang tidak dipasang [[penala]] digital. Bagi sistem [[satelit siaran langsung]] ([[piring satelit|mini-dish]]) seperti [[Astro (televisyen satelit)|Astro]], kotak atas set merupakan [[penerima/dekoder bersepadu]] (''integrated receiver/decoder'', IRD).
Dengan ketibaan [[televisyen terestrial digital]] yang akan menggantikan [[televisyen analog]], para penonton haruslah membeli kotak atas set yang sesuai mengikut piawaian setempat yang ditetapkan ([[ATSC]] di benua Amerika Utara dan Korea Selatan; [[ISDB|ISDB-T]] di Jepun dan Brazil; [[DMB-T/H|DMB-T]] di China (termasuk Hong Kong); dan [[DVB-T]] di Eropah, Australia dan kebanyakan negara Asia), atau membeli set TV baru yang dipasang sedia penala digital yang juga menepati piawaian setempat.
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In the [[United Kingdom]], digital set-top boxes (often referred to as ''[[digibox]]es'', after [[Sky Digital (UK & Ireland)|Sky Digital]]'s trademark for their unit) are usually for [[digital terrestrial television]] through services such as [[Freeview (United Kingdom)|Freeview]], a service operated by the [[Freeview|Freeview Consortium]], or through digital satellite with [[BSkyB]] and also with digital cable. They are used to access television as well as audio and [[Interactive television|interactive services]] through the "[[Red Button (Digital Television)|Red Button]]" promoted by broadcasters such as the [[BBC]] with [[BBCi]] or [[Sky Digital (UK & Ireland)|Sky]] with [[Sky Active]]. Current Freeview set-top boxes and digital televisions are not capable of decoding the protocol [[DVB-T2]] that terrestrial [[High-definition]] will use in 2009, so viewers will need to purchase an HD receiver when the time comes.
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