{"id":6582,"date":"2014-01-08T10:09:34","date_gmt":"2014-01-08T01:09:34","guid":{"rendered":"http:\/\/www.webtech.co.jp\/blog\/?p=6582"},"modified":"2020-06-16T09:35:44","modified_gmt":"2020-06-16T00:35:44","slug":"pvrtc_tips","status":"publish","type":"post","link":"https:\/\/www.webtech.co.jp\/blog\/optpix_labs\/format\/6582\/","title":{"rendered":"\u30c6\u30af\u30b9\u30c1\u30e3\u5727\u7e2e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8PVRTC\u306eTips CEDEC2013\u5fa9\u7fd2\u7de8(2)"},"content":{"rendered":"<p>\u30a6\u30a7\u30d6\u30c6\u30af\u30ce\u30ed\u30b8 R&amp;D\u90e8\u306e\u4e0a\u7530\u3067\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306f\u524d\u56de\u306b\u5f15\u304d\u7d9a\u3044\u3066\u3001CEDEC2013\u306e\u516c\u52df\u30bb\u30c3\u30b7\u30e7\u30f3\u304b\u3089\u3001\u30c6\u30af\u30b9\u30c1\u30e3\u5727\u7e2e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306ePVRTC\u306b\u95a2\u3059\u308bTips\u3092\u30d4\u30c3\u30af\u30a2\u30c3\u30d7\u3057\u3066\u3054\u7d39\u4ecb\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n<!--more--><br \/>\n\u306a\u304a\u3001CEDEC2013\u516c\u52df\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u5168\u30b9\u30e9\u30a4\u30c9\u8cc7\u6599\u306f\u3001\u4e0b\u8a18\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u307e\u3059\u306e\u3067\u3001\u672c\u8a18\u4e8b\u3067\u8208\u5473\u3092\u6301\u305f\u308c\u305f\u65b9\u306f\u3001\u305c\u3072\u305d\u3061\u3089\u3082\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<br \/>\n<a class=\"link\" href=\"https:\/\/www.webtech.co.jp\/blog\/optpix_labs\/format\/5857\/\" target=\"_blank\" rel=\"noopener noreferrer\">CEDEC2013\u300e\u5de5\u7a0b\u306e\u624b\u623b\u308a\u3092\u6700\u5c0f\u9650\u306b \u5727\u7e2e\u30c6\u30af\u30b9\u30c1\u30e3(PVRTC\u30fbDXTC\u30fbETC)\u306b\u304a\u3051\u308b\u50be\u5411\u3068\u5bfe\u7b56\u300f\u767a\u8868\u8cc7\u6599<\/a><\/p>\n<h2>&gt;PVRTC\u306eTips<\/h2>\n<h2>1.1 UI\u30d1\u30fc\u30c4\u5727\u7e2e\u6642\u306e\u52a3\u5316\u5bfe\u7b56<\/h2>\n<p>PVRTC\u306eTips\u4e00\u3064\u76ee\u306f\u3001UI\u30d1\u30fc\u30c4\u3092PVRTC\u5727\u7e2e\u3057\u305f\u6642\u306b\u767a\u751f\u3059\u308b\u52a3\u5316\u306e\u5bfe\u51e6\u6cd5\u3067\u3059\u3002<br \/>\n<a href=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc01.png\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"360\" class=\"size-full wp-image-6593 aligncenter\" src=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc01_lanc_per50.png\" alt=\"cedec2013_pvrtc01_lanc_per50\" srcset=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc01_lanc_per50.png 480w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc01_lanc_per50-300x225.png 300w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc01_lanc_per50-468x351.png 468w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/a>\u4e0a\u306e\u56f3\u306e\u3088\u3046\u306b\u3001UI\u30d1\u30fc\u30c4\u306e\u3088\u3046\u306a\u753b\u50cf\u30b5\u30a4\u30ba\u304c\u5c0f\u3055\u304f\u3066\u8272\u306e\u30af\u30c3\u30ad\u30ea\u3057\u3066\u3044\u308b\u753b\u50cf\u3092PVRTC\u5727\u7e2e\u3059\u308b\u3068\u3001\u8272\u304c\u306b\u3058\u3080\u3088\u3046\u306b\u52a3\u5316\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<br \/>\n\u3053\u306e\u3088\u3046\u306a\u5834\u5408\u3001\u52a3\u5316\u3092\u56de\u907f\u3059\u308b\u4e00\u3064\u306e\u65b9\u6cd5\u3068\u3057\u3066\u3001\u6587\u5b57\u30fb\u8f2a\u90ed\u30fb\u80cc\u666f\u306a\u3069\u3092\u305d\u308c\u305e\u308c\u5225\u30d1\u30fc\u30c4\u306b\u3057\u3066\u5727\u7e2e\u3057\u3001\u8868\u793a\u3059\u308b\u6642\u306b\u5408\u6210\u3059\u308b\u3001\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n<a href=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc02.png\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"360\" class=\"aligncenter size-full wp-image-6595\" src=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc02_lanc_per50.png\" alt=\"cedec2013_pvrtc02_lanc_per50\" srcset=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc02_lanc_per50.png 480w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc02_lanc_per50-300x225.png 300w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc02_lanc_per50-468x351.png 468w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/a>\u3053\u306e\u3088\u3046\u306b\u3001\u6587\u5b57\u30fb\u8f2a\u90ed\u30fb\u80cc\u666f\u3068\u305d\u308c\u305e\u308c\u3092\u5225\u30d1\u30fc\u30c4\u306b\u3057\u3066\u304b\u3089\u5727\u7e2e\u3057\u3001\u8868\u793a\u3059\u308b\u6642\u306b\u91cd\u306d\u3066\u8868\u793a\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<br \/>\n<a href=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc03.png\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"360\" class=\"aligncenter size-full wp-image-6602\" src=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc03_lanc_per50.png\" alt=\"cedec2013_pvrtc03_lanc_per50\" srcset=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc03_lanc_per50.png 480w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc03_lanc_per50-300x225.png 300w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc03_lanc_per50-468x351.png 468w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/a>\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001UI\u30d1\u30fc\u30c4\u3092\u76f4\u63a5\u5727\u7e2e\u3059\u308b\u3088\u308a\u3082\u3001\u7dba\u9e97\u306a\u8868\u793a\u3092\u5b9f\u73fe\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u753b\u50cf\u3092\u5225\u30d1\u30fc\u30c4\u306b\u5206\u5272\u3059\u308b\u3053\u3068\u3067\u3001\u5168\u4f53\u306e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306e\u5897\u52a0\u3084\u8868\u793a\u3059\u308b\u6642\u306e\u30ea\u30bd\u30fc\u30b9\u4f7f\u7528\u91cf\u304c\u5897\u52a0\u3057\u3066\u3057\u307e\u3046\u3001\u3068\u3044\u3063\u305f\u526f\u4f5c\u7528\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>1.2 \u30c6\u30af\u30b9\u30c1\u30e3\u30a2\u30c8\u30e9\u30b9\u4f5c\u6210\u6642\u306e\u6ce8\u610f\u70b9<\/h2>\n<p>\u4e8c\u756a\u76ee\u306eTips\u306f\u3001\u30c6\u30af\u30b9\u30c1\u30e3\u30a2\u30c8\u30e9\u30b9\u4f5c\u6210\u6642\u306e\u6ce8\u610f\u70b9\u3067\u3059\u3002<br \/>\n\u4e0b\u306e\u56f3\u306f\u30ab\u30e9\u30fc\u30d0\u30fc\u3092PVRTC\u5727\u7e2e\u3057\u305f\u3082\u306e\u3067\u3059\u304c\u3001\u63a5\u89e6\u3057\u3066\u3044\u306a\u3044\u30ab\u30e9\u30fc\u30d6\u30ed\u30c3\u30af\u306e\u9593\u3067\u8272\u304c\u5e72\u6e09\u3057\u3066\u3057\u307e\u3063\u3066\u3044\u307e\u3059\u3002\uff08\u30ab\u30e9\u30fc\u30d6\u30ed\u30c3\u30af\u9593\u306e\u8584\u7dd1\u90e8\u5206\u306f\u900f\u904e\u8272\u90e8\u5206\u3067\u3059\uff09<br \/>\n<a href=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc04.png\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"360\" class=\"aligncenter size-full wp-image-6605\" src=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc04_lanc_per50.png\" alt=\"cedec2013_pvrtc04_lanc_per50\" srcset=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc04_lanc_per50.png 480w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc04_lanc_per50-300x225.png 300w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc04_lanc_per50-468x351.png 468w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/a>\u3053\u306e\u3088\u3046\u306b\u3001PVRTC\u5727\u7e2e\u3067\u306f\u30d1\u30fc\u30c4\u304c\u63a5\u89e6\u3057\u3066\u3044\u306a\u304f\u3066\u3082\u3001\u8272\u304c\u5e72\u6e09\u3057\u3066\u52a3\u5316\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u3053\u306e\u3088\u3046\u306a\u52a3\u5316\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306b\u306f\u3001\u5358\u7d14\u306b\u30d1\u30fc\u30c4\u9593\u306e\u30de\u30fc\u30b8\u30f3\u3092\u5897\u3084\u3059\u3053\u3068\u3067\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002<br \/>\n<a href=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc05.png\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"360\" class=\"aligncenter size-full wp-image-6607\" src=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc05_lanc_per50.png\" alt=\"cedec2013_pvrtc05_lanc_per50\" srcset=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc05_lanc_per50.png 480w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc05_lanc_per50-300x225.png 300w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc05_lanc_per50-468x351.png 468w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/a>\u30de\u30fc\u30b8\u30f3\u3092\u500d\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u8272\u306e\u5e72\u6e09\u306b\u3088\u308b\u52a3\u5316\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<br \/>\n\u5b9f\u969b\u306e\u3068\u3053\u308d\u3001\u30c6\u30af\u30b9\u30c1\u30e3\u30a2\u30c8\u30e9\u30b9\u3092PVRTC\u3067\u5727\u7e2e\u3059\u308b\u5834\u5408\u3001\u5404\u30d1\u30fc\u30c4\u9593\u306e\u30de\u30fc\u30b8\u30f3\u306f8\u30d4\u30af\u30bb\u30eb\u7a0b\u5ea6\u306f\u4f5c\u3063\u3066\u304a\u304f\u65b9\u304c\u826f\u3044\u7d50\u679c\u304c\u51fa\u308b\u50be\u5411\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>1.3 \u30a2\u30eb\u30d5\u30a1\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u5bfe\u7b56<\/h2>\n<p>PVRTC\u3067\u30a2\u30eb\u30d5\u30a1\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u753b\u50cf\u3092\u5727\u7e2e\u3059\u308b\u3068\u3001\u30a2\u30eb\u30d5\u30a1\u30c1\u30e3\u30f3\u30cd\u30eb\u90e8\u5206\u304c\u52a3\u5316\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<br \/>\n<a href=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc06.png\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"360\" class=\"aligncenter size-full wp-image-6611\" src=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc06_lanc_per50.png\" alt=\"cedec2013_pvrtc06_lanc_per50\" srcset=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc06_lanc_per50.png 480w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc06_lanc_per50-300x225.png 300w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc06_lanc_per50-468x351.png 468w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/a>\u4e0a\u306e\u56f3\u3067\u306f\u3001\u30aa\u30ea\u30b8\u30ca\u30eb\u753b\u50cf\u306b\u6bd4\u3079\u3066\u30a2\u30eb\u30d5\u30a1\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u304c\u3082\u3084\u3082\u3084\u3068\u3057\u305f\u96f2\u306e\u3088\u3046\u306b\u52a3\u5316\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3053\u306e\u539f\u56e0\u3068\u3057\u3066\u306f\u3001PVRTC\u306f\u30a2\u30eb\u30d5\u30a1\u30c1\u30e3\u30f3\u30cd\u30eb\u306e\u6271\u3044\u304c\u82e6\u624b\u3001\u3068\u3044\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n<a href=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc07.png\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"360\" class=\"aligncenter size-full wp-image-6615\" src=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc07_lanc_per50.png\" alt=\"cedec2013_pvrtc07_lanc_per50\" srcset=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc07_lanc_per50.png 480w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc07_lanc_per50-300x225.png 300w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc07_lanc_per50-468x351.png 468w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/a>\u4e0a\u306e\u56f3\u306f\u3001PVRTC4bpp\u30e2\u30fc\u30c9\u30674&#215;4\u30d4\u30af\u30bb\u30eb\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u308b\u30d3\u30c3\u30c8\u6570\u3092\u3001\u30a2\u30eb\u30d5\u30a1\u6709\u308a\u306e\u5834\u5408\u3068\u30a2\u30eb\u30d5\u30a1\u7121\u3057\u306e\u5834\u5408\u3067\u6bd4\u8f03\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\nPVRTC\u3067\u306f\u30a2\u30eb\u30d5\u30a1\u304c\u3042\u308b\u753b\u50cf\u3082\u7121\u3044\u753b\u50cf\u3082\u30014&#215;4\u30d4\u30af\u30bb\u30eb\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u308b\u30d3\u30c3\u30c8\u6570\u306f64\u30d3\u30c3\u30c8\u3067\u4e00\u5b9a\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\n\u305d\u306e\u305f\u3081\u3001\u540c\u3058\u3088\u3046\u306b\u30a2\u30eb\u30d5\u30a1\u30c1\u30e3\u30f3\u30cd\u30eb\u3092\u6271\u3046DXTC\u304c\u30014&#215;4\u30d4\u30af\u30bb\u30eb\u3042\u305f\u308a64\u30d3\u30c3\u30c8\u3092\u30a2\u30eb\u30d5\u30a1\u30c1\u30e3\u30f3\u30cd\u30eb\u306b\u5272\u308a\u5f53\u3066\u308b\u306e\u306b\u5bfe\u3057\u3066\u3001PVRTC\u3067\u306f\u30a2\u30eb\u30d5\u30a1\u30c1\u30e3\u30f3\u30cd\u30eb\u306b\u5272\u308a\u5f53\u3066\u308b\u30d3\u30c3\u30c8\u6570\u304c\u3059\u3054\u304f\u5c11\u306a\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\n\u7d50\u679c\u3068\u3057\u3066\u3001PVRTC\u306f\u30a2\u30eb\u30d5\u30a1\u30c1\u30e3\u30f3\u30cd\u30eb\u306e\u6271\u3044\u304c\u82e6\u624b\u3068\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u3002<br \/>\n\u305d\u308c\u306a\u3089\u3070\u3001\u30a2\u30eb\u30d5\u30a1\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u753b\u50cf\u3092\u7dba\u9e97\u306b\u5727\u7e2e\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3044\u3044\u306e\uff1f\u3068\u3044\u3046\u3053\u3068\u306a\u3093\u3067\u3059\u304c\u3001\u3053\u3093\u306a\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n<a href=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc08.png\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"360\" class=\"aligncenter size-full wp-image-6618\" src=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc08_lanc_per50.png\" alt=\"cedec2013_pvrtc08_lanc_per50\" srcset=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc08_lanc_per50.png 480w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc08_lanc_per50-300x225.png 300w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc08_lanc_per50-468x351.png 468w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/a>\u3064\u307e\u308a\u3001\u30a2\u30eb\u30d5\u30a1\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u306f\u52a3\u5316\u3057\u3084\u3059\u3044\u306e\u3067\u3001RGB\u30d7\u30ec\u30fc\u30f3\u306e\u307f\u3067\u540c\u3058\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u8868\u73fe\u304c\u4f7f\u3048\u308b\u5834\u5408\u3067\u3042\u308c\u3070\u3001\u30a2\u30eb\u30d5\u30a1\u30b0\u30e9\u30c7\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u308f\u306a\u3044\u3001\u3068\u3044\u3046\u65b9\u6cd5\u3067\u3059\u3002\u7279\u5b9a\u306e\u6761\u4ef6\u3067\u306e\u307f\u4f7f\u3048\u308b\u89e3\u6c7a\u6cd5\u3067\u3059\u304c\u3001\u3061\u3087\u3063\u3068\u3057\u305f\u30c6\u30af\u30cb\u30c3\u30af\u306e\u4e00\u3064\u3068\u3057\u3066\u899a\u3048\u3066\u304a\u304f\u3068\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<h2>1.4 PVRTC 2bpp\u30e2\u30fc\u30c9\u306e\u7279\u6027<\/h2>\n<p>Tips\u306e4\u3064\u76ee\u306f\u3001PVRTC2bpp\u30e2\u30fc\u30c9\u306e\u7279\u6027\u306b\u3064\u3044\u3066\u306e\u8a71\u3067\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u6b21\u306e\u3088\u3046\u306a\u4f8b\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<br \/>\n<a href=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc09.png\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"360\" class=\"aligncenter size-full wp-image-6619\" src=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc09_lanc_per50.png\" alt=\"cedec2013_pvrtc09_lanc_per50\" srcset=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc09_lanc_per50.png 480w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc09_lanc_per50-300x225.png 300w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc09_lanc_per50-468x351.png 468w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/a>PVRTC2bpp\u30e2\u30fc\u30c9\u306f\u3001PVRTC4bpp\u30e2\u30fc\u30c9\u3068\u6bd4\u3079\u3066\u3001\u5727\u7e2e\u7387\u304c2\u500d\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u5f53\u7136\u52a3\u5316\u306e\u5ea6\u5408\u3044\u3082\u5927\u304d\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u7279\u306b\u4e0a\u306e\u4f8b\u306e\u3088\u3046\u306a\u3001\u8272\u306e\u5909\u5316\u304c\u30af\u30c3\u30ad\u30ea\u3057\u3066\u3044\u3066\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306e\u5c0f\u3055\u3044\u753b\u50cf\u306f\u3001\u304b\u306a\u308a\u52a3\u5316\u3057\u307e\u3059\u3002<br \/>\n\u3068\u3053\u308d\u304c\u3001PVRTC2bpp\u30e2\u30fc\u30c9\u306b\u306f\u305d\u306e\u5727\u7e2e\u7279\u6027\u306b\u7279\u5fb4\u304c\u3042\u3063\u3066\u3001\u3061\u3087\u3063\u3068\u3057\u305f\u5de5\u592b\u3067\u5c11\u3057\u3060\u3051\u52a3\u5316\u3092\u6291\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n<a href=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc10.png\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"360\" class=\"aligncenter size-full wp-image-6626\" src=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc10_lanc_per50.png\" alt=\"cedec2013_pvrtc10_lanc_per50\" srcset=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc10_lanc_per50.png 480w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc10_lanc_per50-300x225.png 300w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc10_lanc_per50-468x351.png 468w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/a>\u4e0a\u306e\u89e3\u8aac\u306e\u3088\u3046\u306b\u3001PVRTC2bpp\u30e2\u30fc\u30c9\u3067\u306f8&#215;4\u30d4\u30af\u30bb\u30eb\u3042\u305f\u308a64\u30d3\u30c3\u30c8\u3092\u5272\u308a\u5f53\u3066\u3066\u5727\u7e2e\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u304c\u3001PVRTC4bpp\u30e2\u30fc\u30c9\u306b\u6bd4\u3079\u3066\u3001\u5272\u308a\u5f53\u3066\u3089\u308c\u3066\u3044\u308b\u30d4\u30af\u30bb\u30eb\u304c\u6c34\u5e73\u65b9\u5411\u306b\u3064\u3044\u30662\u500d\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u305f\u3081\u3001PVRTC2bpp\u30e2\u30fc\u30c9\u306f\u6c34\u5e73\u65b9\u5411\u306b\u52a3\u5316\u3057\u3084\u3059\u3044\u3068\u3044\u3046\u7279\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u7279\u6027\u3092\u5148\u7a0b\u306e\u300c\u3042\u300d\u306e\u753b\u50cf\u3092\u4f7f\u3063\u3066\u691c\u8a3c\u3057\u3066\u307f\u307e\u3059\u3002<br \/>\n<a href=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc11.png\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"360\" class=\"aligncenter size-full wp-image-6629\" src=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc11_lanc_per50.png\" alt=\"cedec2013_pvrtc11_lanc_per50\" srcset=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc11_lanc_per50.png 480w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc11_lanc_per50-300x225.png 300w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc11_lanc_per50-468x351.png 468w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/a>\u3053\u306e\u3088\u3046\u306b\u3001\u7e26\u3068\u6a2a\u306e\u4e00\u65b9\u3060\u3051\u3092\u534a\u5206\u306b\u3057\u305f\u3082\u306e\u3068\u3001\u4e21\u65b9\u3092\u534a\u5206\u306e\u30b5\u30a4\u30ba\u306b\u3057\u305f\u3082\u306e\u3092\u6bd4\u3079\u3066\u307f\u307e\u3059\u3002<br \/>\n<a href=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc12.png\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"360\" class=\"aligncenter size-full wp-image-6630\" src=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc12_lanc_per50.png\" alt=\"cedec2013_pvrtc12_lanc_per50\" srcset=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc12_lanc_per50.png 480w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc12_lanc_per50-300x225.png 300w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc12_lanc_per50-468x351.png 468w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/a>\u3053\u3046\u3057\u3066\u307f\u308b\u3068\u3001\u308f\u305a\u304b\u306a\u9055\u3044\u3067\u306f\u3042\u308b\u3093\u3067\u3059\u304c\u3001\u7e26\u306b\u534a\u5206\u306e\u30b5\u30a4\u30ba\u306b\u3057\u305f\u3082\u306e\u3092\u62e1\u5927\u3057\u305f\u5834\u5408\u304c\u3001\u4ed6\u306e2\u3064\u306e\u5834\u5408\u3068\u6bd4\u3079\u3066\u52a3\u5316\u304c\u5c11\u306a\u304f\u306a\u308a\u307e\u3059\u3002<br \/>\n\u3061\u306a\u307f\u306b\u3001\u540c\u3058\u3053\u3068\u3092PVRTC4bpp\u30e2\u30fc\u30c9\u3067\u8a66\u3057\u3066\u307f\u308b\u3068\u3001<br \/>\n<a href=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc13.png\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"360\" class=\"aligncenter size-full wp-image-6633\" src=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc13_lanc_per50.png\" alt=\"cedec2013_pvrtc13_lanc_per50\" srcset=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc13_lanc_per50.png 480w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc13_lanc_per50-300x225.png 300w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc13_lanc_per50-468x351.png 468w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/a>\u5206\u304b\u308b\u307b\u3069\u306e\u9055\u3044\u306f\u51fa\u306a\u304f\u306a\u308a\u307e\u3059\u3002<br \/>\n\u3053\u306e\u3088\u3046\u306bPVRTC2bpp\u30e2\u30fc\u30c9\u306e\u7279\u6027\u3068\u3057\u3066\u3001\u5782\u76f4\u65b9\u5411\u306b\u6bd4\u3079\u3066\u6c34\u5e73\u65b9\u5411\u306b\u52a3\u5316\u3057\u3084\u3059\u3044\u3068\u3044\u3046\u3053\u3068\u304c\u3042\u308b\u306e\u3067\u3001\u7279\u306b\u6c34\u5e73\u65b9\u5411\u306b\u30c0\u30a6\u30f3\u30b5\u30a4\u30b8\u30f3\u30b0\u3059\u308b\u6642\u306b\u306f\u6ce8\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>1.5 Clear PVRTC\u3092\u4f7f\u3063\u3066\u307f\u3088\u3046\uff01<\/h2>\n<p>\u6700\u5f8c\u306b\u3001CEDEC2013\u3067\u306f\u516c\u52df\u30bb\u30c3\u30b7\u30e7\u30f3\u3060\u3063\u305f\u95a2\u4fc2\u4e0a\u3001\u3042\u307e\u308a\u89e6\u308c\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u304b\u3063\u305f\u5f0a\u793e\u306e\u300cClear PVRTC\u300d\u306b\u3064\u3044\u3066\u3054\u7d39\u4ecb\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u5f0a\u793e\u88fd\u54c1 OPTPiX im\u00e9sta 7 for Mobile \uff06 Social \u306b\u4ed8\u5c5e\u3057\u3066\u3044\u308b\u6a5f\u80fd\u300cClear PVRTC\u300d\u3092\u5229\u7528\u3059\u308b\u3068\u3001\u6a19\u6e96\u30c4\u30fc\u30eb\u3067PVRTC\u5727\u7e2e\u3057\u305f\u6642\u306b\u306f\u3001\u3053\u3093\u306a\u306b\u6c5a\u304f\u306a\u3063\u3066\u3057\u307e\u3046\u753b\u50cf\u3082\u3001<\/p>\n<p><a href=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/04\/pvr_sample_nashi.png\"><img loading=\"lazy\" decoding=\"async\" width=\"450\" height=\"176\" class=\"size-full wp-image-5016 alignnone\" src=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/04\/pvr_sample_nashi.png\" alt=\"pvr_sample_nashi\" srcset=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/04\/pvr_sample_nashi.png 450w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/04\/pvr_sample_nashi-300x117.png 300w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><a href=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/04\/pvr_sample_nashi_up.png\"><img loading=\"lazy\" decoding=\"async\" width=\"129\" height=\"176\" class=\"size-full wp-image-5019 alignnone\" src=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/04\/pvr_sample_nashi_up.png\" alt=\"pvr_sample_nashi_up\" \/><\/a><\/p>\n<p>\u3053\u3093\u306a\u306b\u2193\u7dba\u9e97\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/04\/pvr_sample_clear.png\"><img loading=\"lazy\" decoding=\"async\" width=\"450\" height=\"176\" class=\"size-full wp-image-5017 alignnone\" src=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/04\/pvr_sample_clear.png\" alt=\"pvr_sample_clear\" srcset=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/04\/pvr_sample_clear.png 450w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/04\/pvr_sample_clear-300x117.png 300w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><a href=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/04\/pvr_sample_clear_up.png\"><img loading=\"lazy\" decoding=\"async\" width=\"128\" height=\"176\" class=\"size-full wp-image-5018 alignnone\" src=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/04\/pvr_sample_clear_up.png\" alt=\"pvr_sample_clear_up\" \/><\/a><\/p>\n<p>\u203b\u30d4\u30f3\u30af\u8272\u306e\u90e8\u5206\u306f\u900f\u904e\u8272\u3067\u3059<br \/>\n\u203bWeb\u63b2\u8f09\u7528\u306bPNG\u753b\u50cf\u306b\u5909\u63db\u3057\u3066\u3044\u307e\u3059<\/p>\n<p>\u307e\u305f\u3001<br \/>\n<a href=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc14.png\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"360\" class=\"aligncenter size-full wp-image-6646\" src=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc14_lanc_per50.png\" alt=\"cedec2013_pvrtc14_lanc_per50\" srcset=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc14_lanc_per50.png 480w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc14_lanc_per50-300x225.png 300w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc14_lanc_per50-468x351.png 468w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/a>\u3053\u3093\u306a\u52a3\u5316\u306b\u5bfe\u3057\u3066\u3082\u3001\u300cClear PVRTC\u300d\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001<br \/>\n<a href=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc15.png\"><img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"360\" class=\"aligncenter size-full wp-image-6648\" src=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc15_lanc_per50.png\" alt=\"cedec2013_pvrtc15_lanc_per50\" srcset=\"https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc15_lanc_per50.png 480w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc15_lanc_per50-300x225.png 300w, https:\/\/www.webtech.co.jp\/blog\/wp-content\/uploads\/2013\/12\/cedec2013_pvrtc15_lanc_per50-468x351.png 468w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/a>\u52a3\u5316\u306e\u5ea6\u5408\u3044\u3092\u6291\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n\u300cClear PVRTC\u300d\u306f\u5f93\u6765\u306ePVRTC\u3068\u4e92\u63db\u6027\u3092\u7dad\u6301\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3084\u5b9f\u884c\u6642\u306eGPU\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306f\u305d\u306e\u307e\u307e\u306b\u3001\u753b\u8cea\u306e\u5411\u4e0a\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u66f8\u304d\u6587\u5b57\u3084UI\u30d1\u30fc\u30c4\u3068\u3044\u3063\u305f\u753b\u50cf\u306b\u3064\u3044\u3066\u306f\u9ad8\u3044\u52b9\u679c\u3092\u767a\u63ee\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u7279\u6027\u3092\u3082\u3063\u3066\u3044\u3066\u30011.1\u3067\u3054\u7d39\u4ecb\u3057\u305f\u30c6\u30af\u30cb\u30c3\u30af\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u3055\u3089\u306a\u308b\u753b\u8cea\u5411\u4e0a\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u300cClear PVRTC\u300d\u305c\u3072\u4e00\u5ea6\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\u3002<br \/>\n\u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb\u306f<a href=\"https:\/\/www.webtech.co.jp\/imesta\/mobile\/index.html\" target=\"_blank\" rel=\"noopener noreferrer\">\u3053\u3061\u3089<\/a>\u304b\u3089\u3002<\/p>\n<hr \/>\n<p>PVRTC\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067\u3055\u3089\u306b\u8a73\u7d30\u306a\u8aac\u660e\u3092\u8a18\u8f09\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u3061\u3089\u3092\u3054\u89a7\u3044\u305f\u3060\u3051\u308b\u3068PVRTC\u306b\u95a2\u3059\u308b\u77e5\u8b58\u3092\u66f4\u306b\u6df1\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n<a class=\"link\" href=\"https:\/\/www.webtech.co.jp\/blog\/optpix_labs\/format\/4930\/\">PVRTC\u5727\u7e2e\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u306f\uff1f<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30a6\u30a7\u30d6\u30c6\u30af\u30ce\u30ed\u30b8 R&amp;D\u90e8\u306e\u4e0a\u7530\u3067\u3059\u3002 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