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dhzk id:dhzk

codecã«é–¢ã™ã‚‹dhzkã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (10)

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dhzk 2015/09/02
codec

å‹•ç”»é…ä¿¡
ãƒªãƒ³ã‚¯
Thor Video Codec
This is an older version of an Internet-Draft whose latest revision state is "Expired". This document is an Internet-Draft (I-D). Anyone may submit an I-D to the IETF. This I-D is not endorsed by the IETF and has no formal standing in the IETF standards process. Network Working Group A. Fuldseth Internet-Draft G. Bjontegaard Intended status: Standards Track M. Zanaty Expires: January 7, 2016 Cisco
dhzk 2015/08/13
codec

thor
ãƒªãƒ³ã‚¯
Engadget | Technology News & Reviews
My iPhone 11 is perfectly fine, but the new buttons on the iPhone 16 are compelling
dhzk 2015/04/13
codec
ãƒªãƒ³ã‚¯
VP8 and H.264 to both become mandatory for WebRTC
Andreas Gal Entrepreneur. Techno logist. Former CTO Mozilla, CEO Silk Labs. Now ï£¿ WebRTC is one of the most exciting things to happen to the Web in years: it has the potential to bring instant voice and video calling to anyone with a browser, finally unshackling us from proprietary plugins and installed apps. Firefox, Chrome, and Opera already support WebRTC, and Microsoft recently announced future
dhzk 2014/11/26
vp8

webrtc

codec
ãƒªãƒ³ã‚¯
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æƒ…å ±æºç¬¦å·åŒ–éƒ¨ H.264 | MPEG-4 AVC è¦æ ¼ã®æ¦‚è¦ å¹³æˆï¼‘ï¼˜å¹´ï¼’æœˆï¼’ï¼”æ—¥ ç¤¾å›£æ³•äºº é›»æ³¢ç”£æ¥ä¼š ãƒ‡ã‚¸ã‚¿ãƒ«æ”¾é€ã‚·ã‚¹ãƒ†ãƒ é–‹ç™ºéƒ¨ä¼š ï¼£ï¼³ãƒ‡ã‚¸ã‚¿ãƒ«æ”¾é€é«˜åº¦åŒ–ä½œæ¥ç æ˜ åƒç¬¦å·åŒ–æ–¹å¼ä½œæ¥ç å‚è€ƒè³‡æ–™ï¼’ ç›® æ¬¡ 1. æ¨™æº–åŒ–çµŒç·¯ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»1 2. æ–¹å¼ã®æ¦‚è¦ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»2 3. æ•´æ•°å¤‰æ›ã¨é‡ååŒ–ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»5 3.1 æ•´æ•°å¤‰æ›ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»5 3.2 é‡ååŒ–ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»6 4. ã‚¤ãƒ³ã‚¿ãƒ¼äºˆæ¸¬ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»7 4.1 è¤‡æ•°å‚ç…§ãƒ•ãƒ¬ãƒ¼ãƒ ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»7 4.2 å‹•ãè£œå„Ÿã®ãƒ–ãƒãƒƒã‚¯ãƒ»ã‚µã‚¤ã‚ºãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»
dhzk 2012/05/01
h.264

codec
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Advanced Video Coding - Wikipedia
Block diagram of video coding layer of H.264 encoder with perceptual quality score Advanced Video Coding (AVC), also referred to as H.264 or MPEG-4 Part 10, is a video compression standard based on block-oriented, motion-compensated coding.[2] It is by far the most commonly used format for the recording, compression, and distribution of video content, used by 91% of video industry developers as of
dhzk 2012/05/01
h.264

codec
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http://www-ee.uta.edu/Dip/Courses/EE5359/H.264%20Standard2007.pdf
dhzk 2012/05/01
h.264

codec
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NTTï¼ŒH.264æ‹¡å¼µè¦æ ¼ã«åŸºã¥ããƒ•ãƒ«HDå¯¾å¿œã‚¹ã‚±ãƒ¼ãƒ©ãƒ–ãƒ«æ˜ åƒã‚³ãƒ¼ãƒ‡ãƒƒã‚¯ã‚’é–‹ç™º
NTTï¼ˆæ—¥æœ¬é›»ä¿¡é›»è©±ï¼‰ã¯2009å¹´2æœˆ13æ—¥ï¼ŒMPEG-4 AVC/H.264ã®æ‹¡å¼µè¦æ ¼ã§ã‚ã‚‹SVCï¼ˆScala ble Video Codingï¼‰ã«æº–æ‹ ã—ãŸã‚³ãƒ¼ãƒ‡ãƒƒã‚¯ï¼ˆç¬¦å·åŒ–/å¾©å·åŒ–ï¼‰ã‚·ã‚¹ãƒ†ãƒ ã‚’é–‹ç™ºã—ãŸã¨ç™ºè¡¨ã—ãŸã€‚2009å¹´4æœˆé–‹å‚¬ã®NABã‚·ãƒ§ãƒ¼ã«å‡ºå±•ã™ã‚‹ã€‚ ã“ã®ã‚³ãƒ¼ãƒ‡ãƒƒã‚¯ã¯ï¼Œã‚½ãƒ•ãƒˆã‚¦ã‚¨ã‚¢ã§æ§‹æˆã•ã‚Œã¦ãŠã‚Šï¼Œã„ã‚ã‚†ã‚‹ãƒ•ãƒ«HDï¼ˆ1920Ã—1080ç”»ç´ ã®HDTVï¼‰ã‹ã‚‰ãƒ¢ãƒã‚¤ãƒ«ã¾ã§ã®æ§˜ã€…ãªè§£åƒåº¦ã®æ˜ åƒã‚’ï¼‘ã¤ã®åœ§ç¸®ãƒ‡ãƒ¼ã‚¿ã§å†ç”Ÿã§ãã‚‹ã‚¹ã‚±ãƒ¼ãƒ©ãƒ–ãƒ«æ˜ åƒåœ§ç¸®ã¨ã„ã†æ©Ÿèƒ½ã‚’å®Ÿç¾ã™ã‚‹ï¼ˆå›³ï¼‘ï¼‰ã€‚å¾“æ¥ã®ä¸»è¦ãªå‹•ç”»åƒç³»ã‚³ãƒ¼ãƒ‡ãƒƒã‚¯æŠ€è¡“ã§ã¯ï¼Œç•°ãªã‚‹è§£åƒåº¦ã®æ˜ åƒã®è¦æ±‚ã«å¿œã˜ã¦ï¼Œè¤‡æ•°ã®åœ§ç¸®ãƒ‡ãƒ¼ã‚¿ãŒå˜åœ¨ã—ã¦ã—ã¾ã„éžåŠ¹çŽ‡ã ã£ãŸï¼ˆå›³ï¼’ï¼‰ã€‚ é–‹ç™ºã‚·ã‚¹ãƒ†ãƒ ã¯ï¼Œã‚¨ãƒ³ã‚³ãƒ¼ãƒ€ã«ã‚ˆã‚‹åœ§ç¸®ãƒ‡ãƒ¼ã‚¿ã®ç”Ÿæˆã¨ãƒ‡ã‚³ãƒ¼ãƒ€ã«ã‚ˆã‚‹è¤‡æ•°è§£åƒåº¦æ˜ åƒã®å†ç”Ÿã‚’ã¨ã‚‚ã«ãƒªã‚¢ãƒ«ã‚¿ã‚¤ãƒ ã§å‡¦ç†ã™ã‚‹ã“ã¨ãŒå¯èƒ½ã§ã‚ã‚‹ã€‚ã“ã†ã—ãŸæ©Ÿèƒ½ã‚’ãƒ•ãƒ«HDã®è§£åƒåº¦ã§å®Ÿç¾ã—ãŸã®ã¯ä¸–ç•Œåˆã¨ã„ã†ã€‚ ãƒ•
dhzk 2009/02/15
codec
ãƒªãƒ³ã‚¯
Mozillaã€Ogg é–‹ç™ºæŽ¨é€²ã®ãŸã‚ã‚¦ã‚£ã‚ãƒ¡ãƒ‡ã‚£ã‚¢è²¡å›£ã« 10 ä¸‡ãƒ‰ãƒ«æŽˆä¸Ž | ã‚¹ãƒ©ãƒ‰ IT
ã‚¹ãƒˆãƒ¼ãƒªãƒ¼ by reo 2009å¹´01æœˆ29æ—¥ 10æ™‚00åˆ† å……åˆ†ã¨è¦‹ã‚‹ã‹ã€å®‰ã„ã¨è¦‹ã‚‹ã‹ã€‚ éƒ¨é–€ã‚ˆã‚Š Ogg Theora/Vorbis ã®é–‹ç™ºã‚’æŽ¨é€²ã™ã‚‹ãŸã‚ã€Mozilla ã¯ã‚¦ã‚£ã‚ãƒ¡ãƒ‡ã‚£ã‚¢è²¡å›£ã«è³‡é‡‘ 10 ä¸‡ãƒ‰ãƒ«ã‚’æŽˆä¸Žã—ãŸ (Ars Technica ã®è¨˜äº‹ã€æœ¬å®¶ /. è¨˜äº‹ã‚ˆã‚Š) ã€‚ ã‚¦ã‚£ã‚ãƒ¡ãƒ‡ã‚£ã‚¢ã®ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã§ã¯ã»ã¼å…¨ã¦ã®ãƒªãƒƒãƒãƒ¡ãƒ‡ã‚£ã‚¢ã‚³ãƒ³ãƒ†ãƒ³ãƒ„ã§ Ogg ã‚’æŽ¡ç”¨ã—ã¦ã„ã‚‹ã€‚ã¾ãŸ Mozilla ã¯ Firefox 3.1 ã‹ã‚‰ Ogg Theora/Vorbis ã‚’ã‚³ãƒ¼ãƒ‡ãƒƒã‚¯ã¨ã—ã¦æŽ¡ç”¨ã—ãŸ HTML 5 ã® video/audio è¦ç´ ã‚’å®Ÿè£…ã—ã€ãƒ—ãƒ©ã‚°ã‚¤ãƒ³ã‚„å¤–éƒ¨ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ç„¡ã—ã« Ogg ãƒ¡ãƒ‡ã‚£ã‚¢ã‚’è¦–è´ã§ãã‚‹ã‚ˆã†ã«ãªã‚‹ã€‚ä¸¡è€…ã®å…±é€šç›®çš„ã§ã‚ã‚‹ã€ãƒ—ãƒãƒ—ãƒ©ã‚¤ã‚¨ã‚¿ãƒªãªæŠ€è¡“ã«æ”¯é…ã•ã‚Œã¦ã„ãªã„ã€èª°ã«ã§ã‚‚ä½¿ç”¨ã§ãã‚‹å‹•ç”»ã‚„ã‚ªãƒ¼ãƒ‡ã‚£ã‚ªã®ã‚ªãƒ¼ãƒ—ãƒ³ãƒ•ã‚©ãƒ¼ãƒžãƒƒãƒˆã®æŽ¨é€²ã®ãŸã‚ã€ã“ã® 10 ä¸‡ãƒ‰ãƒ«ã¯æŽˆä¸Žã•
dhzk 2009/01/29
firefox

codec
ãƒªãƒ³ã‚¯
ãƒã‚¤ãƒ¤ãƒ«ãƒ†ã‚£ãƒ•ãƒªãƒ¼ã®å‹•ç”»ã‚³ãƒ¼ãƒ‡ãƒƒã‚¯ã€ŒTheora 1.0ã€å…¬é–‹
Windows SQL Server 2005ã‚µãƒãƒ¼ãƒˆçµ‚äº†ã®4æœˆ12æ—¥ãŒè¿«ã‚‹ã€å ±å‘Šæ¸ˆã¿è„†å¼±æ€§ã®æ·±åˆ»åº¦ã‚‚é«˜ãã€æ—©æ€¥ãªç§»è¡Œã‚’
dhzk 2008/11/06
codec
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