Otu ndepụta okwu n'asụsụ
Otu okwu ndepụta ( SLS ) na-ezo aka na omume nke akwụkwọ ederede na TV n'otu ihe dị ka ngwaọrụ.  Na ụfọdụ ewebata na ọhụrụ 1970s dị ka ụzọ isi mee ka ọrụ dị na nke anụ ahụ siri ike, ndepụta okwu mechiri emechi ka ọ bịara mara bụ ahaziri ahaziri maka ihe Latin na 1976 World System Teletext .  Ewebatala ọrụ setịpụ pịpụ Latin na-enweta nke Latn, a na-Iche ya n'India, yana na China iji nyere aka n'ịmụ akwụkwọ.

N'etiti 1980 ụzọ webatara ọtụtụ igwe dabere Laserdisc na Karaoke, yana egwu egwu egwu egwu ya na ikike Karaoke PA, [1] emesịa echiche ahụ maka usoro 1986 nke ọtụtụ usoro Disney Sing-Along Songs, na emesia.  bufere ya na PlayStation 2, yana consoles egwuregwu ndị na-esote, ma n'otu aka ahụ ka eme ka ọ dị na klaas iji aha aha egwu me werera ọnụ  ) dị ka mmemme Ọgụgụ ugboro ugboro.

Ebi pụtara ọkọlọtọ DVD-Video nke 1996 site na Nkwado maka ihe ruru iyi ndepụta okwu 32 dị iche iche ga-pụta ya na faịlụ vidiyo.

 Nke a bụ Brij Kothari, onye bụ onye na SLS na-eme ka omume ịgụ ihe nke sitere na nke ihe nkiri TV na-ewu ewu, na--ejiji dị ala kwalite ọnụ ọgụgụ akwụkwọ na India .  [1] [2]

. Brij Kothari nọ na-ekiri ihe nkiri Spanish na vidiyo nwere ndepụta okwu Bekee n'oge ezumike site na ide akwụkwọ na 1996 mgbe echiche ruru ya na ọ bụrụ na edepụtala egwu ihe nkiri Hindi niile na Hindi, na ebe na India, ọ ga-  eweta nsogbu n'ịmụ akwụkwọ.  Mgbe o mechara nchụso òtù ya Kothari la mfe India.  N'ọgwụ 1996 ngwaọrụ na ngalaba nke Indian Institute of Management na Ahmedabad.  ọ na-aga n'ihu na- ụmụ akwụkwọ MBA n' okwu, ọ pụtara ọrụ na SLS na mgbe ozi ọrụ nke IIM.  Ebu ụzọ echiche nke SLS, nsogbu, ụzọ ụzọ na nke mba site na Center for Educational Innovation, Indian Institute of Management, Ahmedabad n'okpuru Kothari.  [1] mmetụta ahụ ahụ n'ọ̀tụ̀tụ̀ nke mba n'Ọnọ Ọgọst 2002.

Tupu ọmụmụ Kothari, ọtụtụ nchọpụta e nwere na ndepụta okwu egosipụtara arụpụtaghị oke. Dị ka a kpọmkwem n'ihi na Kothari nwere ihe ịga nke ọma na subtitled music video e nwere ọtụtụ ọhụrụ metụtara ọmụmụ na-eji teknụzụ na music video na-egosikwa ịrịba arụpụtaghị.

N'ime afọ iri gara aga na India, eme ihela SLS na mmemme egwu ihe nkiri Doordarshan na Hindi, Bengali, Gujarati, Marathi, Telugu, Tamil, Kannada, Malayalam, Odia, na Punjabi .  Maka nkọwa nkọwa ndepụta okwu ndị dị n'otu akwụkwọ dị ka ahụ.

icon Nielsen-ORG nke afọ 2002-2007 chọrọ na ike ịgụ paragraf n'etiti ụmụ akwụkwọ si na 25% ruo 56% mfee nhọrọ iri atọ n'izu nke mmemme Rangoli nwere ndepụta okwu.  [1] Ihe ụmụaka 90% kwuru na ha na- egwu egwu ndepụta okwu na egwu n'ihi ozi ha nwere na egwu egwu.

Ọrụ ọgụgụ isi nke SLS gụnyere ụmụ akwụkwọ na-elele ngosi mkpirisi ndepụta okwu atụpụtara na ihuenyo, ka ha na-emecha akwụkwọ ọrụ nzaghachi. Dị ka o kwesịrị, ndepụta okwu kwesịrị inwe mmekọrịta dị elu nke ọdịyo na ederede, ederede kwesịrị ịgbanwe agba na mmekọrịta syllabic ka ọ bụrụ ụdị ọdịyo, yana mgbasa ozi isi iyi kwesịrị ịdị ike ma na-adọrọ mmasị. 

A na-a mgbochi mmemme Chinese, n'ihi na ndị na-asụ ụdị Chinese ndị ọzọ nwere ike ịgụ Standard Written Chinese, ọpọ na ha akara ike olumba a na-asụ.  A na-abụ mmemme mmemme Hibru, mmemme ebubata na ọwa dịka Arutz Heyalim

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