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Ç¥ÁعøÈ£ TTAK.IT-G1080 ±¸Ç¥ÁعøÈ£
Á¦°³Á¤ÀÏ 2010-12-23 ÃÑÆäÀÌÁö 61
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¿µ¹®Ç¥Áظí Quality of Experience Requirements for IPTV
Çѱ۳»¿ë¿ä¾à º» Ç¥ÁØÀº IPTV¼­ºñ½ºÀÇ Ã¼°¨ Ç°Áú(QoE)À» º¸ÀåÇϱâ À§ÇØ »ç¿ëÀÚ ¿ä±¸ »çÇ×À» Á¤ÀÇÇÑ´Ù. QoE ¿ä±¸ »çÇ×Àº ÃÖÁ¾ »ç¿ëÀÚÀÇ ±â´ëÄ¡¿¡ ÀÇÇØ Á¤Àǵǰí, ³×Æ®¿öÅ© ¹èÄ¡ ±¸Á¶ ¹× Àü¼Û ÇÁ·ÎÅäÄÝ°ú´Â ¹«°üÇÏ´Ù. Áï, QoE ¿ä±¸ »çÇ×Àº Á¾´Ü °£¿¡¼­ ±ÔÁ¤µÇ¸ç, ³×Æ®¿öÅ© Àü¼Û ¹× ¾ÖÇø®ÄÉÀÌ¼Ç °èÃþÀÇ µ¿ÀÛ¿¡ ¹ÌÄ¡´Â ¿µÇâ¿¡ ´ëÇÑ Á¤º¸°¡ Á¦°øµÈ´Ù. º» Ç¥ÁØ¿¡´Â ºñµð¿À, ¿Àµð¿À, ÅؽºÆ®, ±×·¡ÇÈ, Á¦¾î ÇÔ¼ö ¹× ¸ÞŸµ¥ÀÌÅ͸¦ À§ÇÑ QoE ¿ä±¸ »çÇ×ÀÌ Æ÷ÇԵǾî ÀÖ´Ù. ÀÌ Ç¥ÁØ¿¡¼­ »ç¿ëµÈ ¾ÐÃà ºÎȣȭ ±â¹ý, ±×¸®°í ¸ñÇ¥ ¼º´ÉÀ» À§ÇØ ¼±ÅÃµÈ ºñÆ®À², ÆÐŶ ¼Õ½Ç·üÀÇ »ó¼¼ÇÑ ¼öÄ¡Àû °ªµéÀº ÇϳªÀÇ ¿¹·Î¼­ Á¦°øµÈ´Ù. º» Ç¥ÁØÀ» Àд µ¶ÀÚµéÀº ±×µéÀÌ »ç¿ëÇÏ°íÀÚ ÇÏ´Â °¢°¢ÀÇ IPTV¼­ºñ½ºÀÇ ¿ä±¸ »çÇ׿¡ ºÎÇÕÇϵµ·Ï À§ÀÇ ÆĶó¹ÌÅÍ°ªÀ» ¼±ÅÃÇϰųª º¯°æÇÒ ¼ö ÀÖ´Ù.
¿µ¹®³»¿ë¿ä¾à This Recommendation defines user requirements for Quality of Experience for IPTV services. The QoE requirements are defined from an end user perspective and are agnostic to network deployment architectures and transport protocols. The QoE requirements are specified as end-to-end and information is provided on how they influence network transport and application layer behaviour. QoE requirements for video, audio, text, graphics, control functions and meta-data are provided. Compression coding schemes addressed in this Recommendation are examples, and detailed numeric values as performance targets, e.g. bit rate, packet loss rate, are also examples. The readers may appropriately choose or replace these parameters values in order to be consistent with the requirements of each IPTV service context to which they are intended to be applied.
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