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Ç¥ÁعøÈ£ [ÆóÁö] TTAK.KO-07.0094 ±¸Ç¥ÁعøÈ£
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ÇѱÛÇ¥ÁØ¸í °íÀü¼Û·ü Áö»óÆÄ µðÁöÅиÖƼ¹Ìµð¾î¹æ¼Û(AT-DMB) °èÃþ°£ ¿¬°è ¸ÖƼä³Î ¿Àµð¿À ¼­ºñ½º
¿µ¹®Ç¥Áظí Advanced Terrestrial Digital Multimedia Broadcasting (AT-DMB)Combined-Layer Multichannel Audio Service
Çѱ۳»¿ë¿ä¾à º» Ç¥ÁØÀÇ ¹üÀ§´Â AT-DMB¿¡¼­ ¸ÖƼä³Î ¿Àµð¿À ¼­ºñ½º¸¦ Á¦°øÇÏ´Â ¹æ¹ý Áß, ±âº»°èÃþÀ» ÅëÇØ ½ºÅ×·¹¿À ¿Àµð¿À µ¥ÀÌÅ͸¦ Àü¼ÛÇÏ°í, Çâ»ó°èÃþÀ» ÅëÇØ ¸ÖƼä³Î ¿Àµð¿À ºÎ°¡Á¤º¸¸¦ Àü¼ÛÇÏ´Â ¼­ºñ½º·Î ÇÑÁ¤ÇÑ´Ù. ÀÌ·¯ÇÑ ¼­ºñ½º¸¦ AT-DMB °èÃþ°£ ¿¬°è ¸ÖƼä³Î ¿Àµð¿À ¼­ºñ½º¶ó ºÎ¸¥´Ù.
º» Ç¥ÁØÀº AT-DMB °èÃþ°£ ¿¬°è ¸ÖƼä³Î ¿Àµð¿À ¼­ºñ½ºÀÇ °³¿ä, ¸ÖƼä³Î ¿Àµð¿À ½ÅÈ£ ±Ô°Ý, °èÃþ°£ ¿¬°è¸¦ ÅëÇØ ¸ÖƼä³Î ¿Àµð¿À ¼­ºñ½º¸¦ Á¦°øÇϱâ À§ÇÑ MPEG-4 ÄÜÅÙÆ® ±¸¼º, ±âº»°èÃþÀÇ ½ºÅ×·¹¿À ¿Àµð¿À µ¥ÀÌÅÍ¿Í Çâ»ó°èÃþÀÇ ¸ÖƼä³Î ¿Àµð¿À ºÎ°¡Á¤º¸ÀÇ µ¿±âÈ­ ¹æ¹ý, MPEG-2 TS °èÃþ¿¡¼­ÀÇ °èÃþ°£ ¿¬°è¼º ½Ã±×³Î¸µ ¹æ¹ý, AT-DMB ½Ã½ºÅÛÀÇ FIC¸¦ ÅëÇÑ °èÃþ°£ ¿¬°è¼º ½Ã±×³Î¸µ ¹æ¹ý µîÀ¸·Î ±¸¼ºµÈ´Ù.
¿µ¹®³»¿ë¿ä¾à The scope of this standard is restricted to multichannel audio services with its stereo audio data and multichannel audio auxiliary data through the base layer and the enhancement layer of AT-DMB, respectively, among several methods of providing a multichannel audio service through AT-DMB.
This standard is composed of a summary of AT-DMB combined-layer multichannel audio services, multichannel audio signal specification, MPEG-4 content structure for an AT-DMB combined-layer multichannel audio service, synchronization method between stereo audio data in the base layer and multichannel audio auxiliary data in the enhancement layer, signaling method for the association of TSs in the two layers at MPEG-2 TS level, and signaling method for the association of service components in the two layers through FIC (Fast Information Channel) of AT-DMB system.
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