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Áҵðҹ¢Í§ºÅÙàÃÂì¾Ñ²¹Òâ´Â ¡ÅØèÁ¢Í§ºÃÔÉÑ··ÕèàÃÕ¡ÇèÒ Blu-ray Disc Association «Ö觹Óâ´Â ¿ÔÅÔ»Êì áÅÐ â«¹Õ à»ÃÕºà·Õº¡Ñº àÍ窴մÕÇÕ´Õ (HD-DVD) ·ÕèÁÕÅѡɳÐáÅСÒþѲ¹Òã¡Åéà¤Õ§¡Ñ¹ ºÅÙàÃÂìÁÕ¤ÇÒÁ¨Ø 25 GB ã¹áººàÅàÂÍÃìà´ÕÂÇ (Single-Layer) áÅÐ 50 GB ã¹áººÊͧàÅàÂÍÃì (Double-Layer) ¢³Ð·Õè àÍ窴մÕÇÕ´ÕẺàÅàÂÍÃìà´ÕÂÇ ÁÕ 15 GB áÅÐÊͧàÅàÂÍÃìÁÕ 30 GB
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Êèǹ¤ÇÒÁàÃçÇ㹡ÒÃÍèÒ¹ËÃ×ͺѹ·Ö¡á¼è¹ Blu-Ray ·ÕèÁÕ¤èÒ 1x, 2x, 4x ã¹áµèÅÐ 1x ¨ÐÁÕ¤ÇÒÁàÃçÇ 36 àÁ¡ÐºÔµ µèÍ ÇÔ¹Ò·Õ ¹Ñè¹ËÁÒ¤ÇÒÁÇèÒ 4x ¹Ñ蹨ÐÊÒÁÒöºÑ¹·Ö¡ä´éàÃçǶ֧ 144 àÁ¡ÐºÔµ µèÍ ÇÔ¹Ò·Õ â´ÂÁÕ ¹Ñ¡ÇÔ·ÂÒÈÒʵÃì¨Ò¡ NASA à»ç¹ ¼Ùé¾Ñ²¹Òµèͨҡ ÃкººÑ¹·Ö¡¢éÍÁÙÅ·Õèãªéã¹â¤Ã§¡ÒÃÍÇ¡ÒÈ
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“BD” (Blu-ray Disc) ¹Ñé¹ à»ç¹ª×èÍ·ÕèÁÒ¨Ò¡áʧàÅà«ÍÃì·Õèãªé¤×Í áʧàÅà«ÍÃìÊÕ¹éÓà§Ô¹ (Blue Laser) ¶Ù¡¾Ñ²¹Ò¢Ö鹤ÃÑé§áÃ¡ã¹»Õ 1996 â´Â ¹Ò Shuji Nakamura «Öè§à»ç¹¹Ñ¡ÇԨѢͧ Nichia Corp. BD ãªéà·¤â¹âÅÂÕáʧàÅà«ÍÃìÊÕ¹éÓà§Ô¹ ·ÕèÁÕ¤ÇÒÁÂÒǤÅ×è¹à¾Õ§ 405 nm. ¡ÑºàŹÊ좹Ҵ 0.85 áÅÐâ¤Ã§ÊÃéҧẺ Optical transmittance protection disc layer ·ÕèÁÕ¤ÇÒÁ˹Òà¾Õ§ 0.1 mm. ·ÓãËéà¡çº¢éÍÁÙÅä´éÁÒ¡¶Ö§ 27 ¡Ô¡Ð亵ì ã¹´ÔÊ¡ìẺ´éÒ¹à´ÕèÂǪÑé¹à´ÕÂÇ(Single sided single layer) ã¹á¼è¹¢¹Ò´ 12 ૹµÔàÁµÃ (à·èҡѺ CD áÅÐ DVD ·ÑèÇä») «Ö觹Ñè¹ËÁÒ¤ÇÒÁÇèÒ àÃÒÊÒÁÒöà¡çºË¹Ñ§·ÕèÁÕËÅÒÂÀÒ¤µèÍà¹×èͧÍÂèÒ§àªè¹ Star War ËÃ×Í˹ѧªØ´ÍÂèÒ§ àªè¹ à¨ÒÐàÇÅÒËÒ¨Ôë¹«Õ ä´é ŧ㹴ÔÊ¡ìà¾Õ§á¤èá¼è¹à´ÕÂÇ!
´éǤÇÒÁ¨Ø·ÕèÁÕÁÒ¡¶Ö§ 27 ¡Ô¡Ð亵ì BD ÊÒÁÒöºÑ¹·Ö¡ÇÔ´ÕâÍ´Ô¨ÔµÍÅã¹ÁҵðҹÀҾ¹µÃì·ÑèÇæ ä» (VHS) ä´é¶Ö§ 13 ªÑèÇâÁ§ (á¼è¹ DVD ºÑ¹·Ö¡ä´é 2-3 ªÑèÇâÁ§) áÅÐÊÑÒ³·ÕèÁդسÀÒ¾ÃдѺÊÙ§¡ÇèÒ¹Ñé¹ ËÃ×Í HDTV (High-resolution digital Television) ä´é¶Ö§ 2.5 ªÑèÇâÁ§ (á¼è¹ DVDºÑ¹·Ö¡ä´éäÁè¶Ö§ 30 ¹Ò·Õ) â´ÂÂѧÃÑ¡ÉҤسÀÒ¾¢Í§¢éÍÁÙÅ·Õèà»ç¹µé¹©ºÑºäÇéÍÂèÒ§¤Ãº¶éǹ áÅй͡¨Ò¡¹Õé BD ÂѧÁÕ¡Òúѹ·Ö¡ Unique ID (RID) ŧä»à¾×èͪèÇÂ㹡ÒÃÍéÒ§ÍÔ§ áÅÐáÊ´§ÅÔ¢ÊÔ·¸ìã¹ Record stream ÍÕ¡´éÇÂ
¤Ø³ÊÁºÑµÔ¾ÔàÈɢͧ BD ·Õèà»ç¹ÅѡɳÐà´è¹¢Í§¡ÒÃãªéà·¤â¹âÅÂÕ Blu-ray ¡ç¤×Í ÍѵÃÒ¡ÒöèÒÂâ͹¢éÍÁÙŢͧàÅà«ÍÃìÊÕ¹éÓà§Ô¹ ·ÕèÁÕ¤ÇÒÁàÃçÇÊÙ§¶Ö§ 36 Mbps. áÅÐãªéà·¤â¹âÅÂÕ¡ÒúպÍѴẺ MPEG-2 Transport Stream ·ÓãËéÊÒÁÒöºÑ¹·Ö¡ÊÑÒ³ ËÃ×Í¢éÍÁÙŤسÀÒ¾ÊÙ§ä´é â´ÂãªéàÇÅÒà¾Õ§¹é͹Դ ¤ÇÒÁàÃçǹÕé ÂѧÊÒÁÒöÊ觢éÍÁÙÅà¾×èÍ Record/Playback Ẻ Real-time ä´é áÅÐÂѧÊÒÁÒöá¡éä¢ , Capture ÀÒ¾¨Ò¡¡ÅéͧÇÔ´ÕâÍ ËÃ×ÍÀҾ¹µÃì仾ÃéÍÁæ ¡Ñº¡Òúѹ·Ö¡ÃÒ¡ÒÃã¹â·Ã·Ñȹìä´éã¹àÇÅÒà´ÕÂǡѹ à¤Ã×èͧàÅè¹ BD ¨Ö§ÊÒÁÒöãªéàÅè¹á¼è¹ BD áÅÐÂѧºÑ¹·Ö¡¢éÍÁÙÅŧá¼è¹ä´éÍÕ¡´éÇÂ
Media type High-density optical disc
Encoding MPEG-2, H.264/MPEG-4 AVC, and VC-1
Capacity 25 GB (single-layer)
50 GB (dual-layer)
Block size 64kb ECC
Read mechanism 405 nm laser:
1× at 36 Mbit/s (4.5 MByte/s)
2× at 72 Mbit/s (9 MByte/s)
4× at 144 Mbit/s (18 MByte/s)
6× at 216 Mbit/s[1] (27 MByte/s)
8× at 288 Mbit/s (36 MByte/s)
12× at 432 Mbit/s (54 MByte/s)
Usage Data storage
High-definition video
High-definition audio
PlayStation 3 games
·ÕèÁÒ:http://guru.google.co.th/guru/thread?tid=6e17362d3edeb2e9
·ÕèÁÒ:http://en.wikipedia.org/wiki/Blu-ray_Disc
à¤Ã×èͧàÅ蹺ÅÙàÃÂìÃØè¹áá
- ¿ÔÅÔ»Êì ÃØè¹ BDP9000
- ⫹Õè à¾ÅÂìÊ൪ѹ 3
- äÅ·ì-Í͹ ÃØè¹ BDP-X1
- ä¾âÍà¹ÕÂÃì ÃØè¹ BDP-HD1
- ⫹Õè ÃØè¹ BDP-S1
- ¾Ò¹Ò⫹Ԥ ÃØè¹ DMP-BD10
- ä¾âÍà¹ÕÂÃì ÃØè¹ BDP-HD1
- ªÒÃì» ÃØè¹ DV-BP1
- áÍÅ¨Õ ÃØè¹ BD100
- «ÑÁ«Ø§ ÃØè¹ BD-P1000
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