{"id":23,"date":"2021-04-23T15:57:36","date_gmt":"2021-04-23T15:57:36","guid":{"rendered":"https:\/\/accessadvance.com\/?page_id=23"},"modified":"2021-05-25T21:21:04","modified_gmt":"2021-05-25T21:21:04","slug":"%e3%83%86%e3%82%af%e3%83%8e%e3%83%ad%e3%82%b8%e3%83%bc","status":"publish","type":"page","link":"https:\/\/accessadvance.com\/ja\/licensing-programs\/technology\/","title":{"rendered":"\u30c6\u30af\u30ce\u30ed\u30b8\u30fc"},"content":{"rendered":"

HEVC\/H.265 \u6280\u8853\u6982\u8981<\/span><\/h2>\n\n\n\n

\u6d88\u8cbb\u8005\u306f\u3001\u53ef\u80fd\u306a\u9650\u308a\u6700\u9ad8\u306e\u54c1\u8cea\u306e\u753b\u50cf\u3067\u9ad8\u89e3\u50cf\u5ea6\u30d3\u30c7\u30aa\u3092\u6c42\u3081\u3066\u3044\u307e\u3059\u3002\u5f7c\u3089\u306f\u3044\u3064\u3067\u3082\u3069\u3053\u3067\u3082\u898b\u305f\u3044\u3068\u601d\u3063\u3066\u3044\u307e\u3059\u3002\u5f7c\u3089\u306f\u3001\u6700\u5927\u306e\u30e2\u30cb\u30bf\u30fc\u304b\u3089\u6700\u5c0f\u306e\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u307e\u3067\u3001\u3055\u307e\u3056\u307e\u306a\u753b\u9762\u306b\u30b7\u30fc\u30e0\u30ec\u30b9\u306b\u914d\u4fe1\u3055\u308c\u308b\u3053\u3068\u3001\u9045\u5ef6\u3001\u30b9\u30bf\u30c3\u30bf\u30fc\u3001\u307e\u305f\u306f\u30c7\u30b8\u30bf\u30eb\u5316\u306a\u3057\u3067\u914d\u4fe1\u3055\u308c\u308b\u3053\u3068\u3092\u671b\u3093\u3067\u3044\u307e\u3059\u3002 HEVC\/H.265 \u898f\u683c\u306f\u3001\u3053\u308c\u3089\u306e\u5dee\u3057\u8feb\u3063\u305f\u6025\u901f\u306b\u62e1\u5927\u3059\u308b\u30cb\u30fc\u30ba\u3092\u6e80\u305f\u3059\u305f\u3081\u306b\u5fc5\u8981\u306a\u6b21\u4e16\u4ee3\u306e\u30d3\u30c7\u30aa\u5727\u7e2e\u6280\u8853\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

Access Advance \u304c\u63d0\u4f9b\u3059\u308b HEVC Advance \u7279\u8a31\u30dd\u30fc\u30c8\u30d5\u30a9\u30ea\u30aa \u30e9\u30a4\u30bb\u30f3\u30b9\u306b\u306f\u3001HEVC\/H.265 \u898f\u683c\u306e\u3059\u3079\u3066\u306e\u30b3\u30a2\u6a5f\u80fd\u306b\u4e0d\u53ef\u6b20\u306a\u7279\u8a31\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

  1. \u30d5\u30ec\u30fc\u30e0\u5206\u5272\u3068\u30b5\u30d6\u5206\u5272<\/li>
  2. \u753b\u9762\u5185\u4e88\u6e2c<\/li>
  3. \u753b\u9762\u9593\u4e88\u6e2c<\/li>
  4. \u5909\u63db\u3001\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u3001\u304a\u3088\u3073\u91cf\u5b50\u5316<\/li>
  5. \u30a4\u30f3\u30eb\u30fc\u30d7 \u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0<\/li>
  6. \u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0<\/li><\/ol>\n\n\n\n

    \u54c1\u8cea\u306e\u5411\u4e0a\u3001\u5e2f\u57df\u5e45\u306e\u524a\u6e1b<\/span><\/h2>\n\n\n\n

    HEVC\/H.265 \u306f\u3001\u65e2\u5b58\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u6bd4\u8f03\u3057\u3066\u30d3\u30c3\u30c8 \u30ec\u30fc\u30c8\u3092\u5927\u5e45\u306b\u524a\u6e1b\u3057\u307e\u3059\u3002H\/264 \u3088\u308a\u3082\u6700\u5927 50% \u30d3\u30c3\u30c8 \u30ec\u30fc\u30c8\u304c\u5411\u4e0a\u3057\u30014K \u4ee5\u4e0a\u306e\u30d3\u30c7\u30aa\u89e3\u50cf\u5ea6\u306b\u6700\u9069\u5316\u3055\u308c\u305f\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8 \u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u3001\u6700\u5927 7680 x 4320 \u306e\u753b\u50cf\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002HEVC \u306f\u9069\u5fdc\u53ef\u80fd\u3067\u3059\u3002\u3042\u3089\u3086\u308b\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8 \u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u5bfe\u5fdc\u3057\u3066\u304a\u308a\u3001\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0 \u30d3\u30c7\u30aa\u3092 4K \u4ee5\u4e0a\u306e\u89e3\u50cf\u5ea6\u3067\u52b9\u7387\u7684\u306b\u914d\u4fe1\u3059\u308b\u305f\u3081\u306e\u4e3b\u8981\u306a\u30c6\u30af\u30ce\u30ed\u30b8\u3067\u3059\u3002<\/p>\n\n\n\n

    \u30d3\u30c7\u30aa\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/h2>\n\n\n\n
    \u30d3\u30c7\u30aa\u8868\u793a\u30e2\u30fc\u30c9<\/strong><\/td>480P<\/td>720P<\/td>1080P<\/td>4K UHD<\/td><\/tr>
    HEVC<\/strong><\/td>52%<\/td>56%<\/td>62%<\/td>64%<\/td><\/tr><\/tbody><\/table>
    \u30bf\u30f3\u4ed6\u3001\u300cHEVC\u5727\u7e2e\u6027\u80fd\u691c\u8a3c\u8a66\u9a13\u5831\u544a\u66f8\u300d\u3001JCTVC-Q1011\uff082014\u5e745\u6708\uff09<\/a><\/figcaption><\/figure>\n\n\n\n

    H.264\/MPEG-4 AVC HP \u3068\u6bd4\u8f03\u3057\u305f\u5e73\u5747\u30d3\u30c3\u30c8 \u30ec\u30fc\u30c8\u63a7\u9664\u3002<\/p>\n\n\n\n

    \u9759\u6b62\u753b\u6027\u80fd<\/span><\/h2>\n\n\n\n
    \u9759\u6b62\u753b\u7b26\u53f7\u5316\u898f\u683c
    \uff08\u8a66\u9a13\u65b9\u6cd5\uff09<\/strong><\/td>    		JPEG2000<\/td>JPEG<\/td><\/tr>
    HEVC (PSNR)<\/strong><\/td>20.26%<\/td>61.63%<\/td><\/tr>
    HEVC\uff08\u30e2\u30b9\uff09<\/strong><\/td>30.96%<\/td>43.10%<\/td><\/tr><\/tbody><\/table>
    P. Hanhart \u4ed6\u3001\u300cAhG4: \u9759\u6b62\u753b\u50cf\u5727\u7e2e\u306e\u305f\u3081\u306e HEVC \u30a4\u30f3\u30c8\u30e9\u7b26\u53f7\u5316\u306e\u4e3b\u89b3\u7684\u8a55\u4fa1\u300d\u3001JCTVC-L0380\u3001(2013 \u5e74 1 \u6708)<\/a><\/figcaption><\/figure>\n\n\n\n

    PSNR\u3068MOS\u304c\u7b49\u3057\u3044\u9759\u6b62\u753b\u5727\u7e2e\u306e\u898f\u683c\u6bd4\u8f03\u3002
    JPEG 2000 \u304a\u3088\u3073 JPEG \u3068\u6bd4\u8f03\u3057\u305f\u5e73\u5747\u30d3\u30c3\u30c8 \u30ec\u30fc\u30c8\u306e\u524a\u6e1b\u3002<\/p>\n\n\n\n

    HEVC\/H.265\u306e\u30e1\u30ea\u30c3\u30c8<\/h2>\n\n\n\n
    \n
    \n
    \"\"<\/figure>
    \n

    \u3088\u308a\u9ad8\u3044\u89e3\u50cf\u5ea6<\/strong><\/p>\n<\/div><\/div>\n\n\n\n

    4K \u4ee5\u4e0a\u306e\u89e3\u50cf\u5ea6\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3001\u30e6\u30fc\u30b6\u30fc \u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n

    \n
    \"\"<\/figure>
    \n

    \u67d4\u8edf\u6027<\/strong><\/p>\n<\/div><\/div>\n\n\n\n

    \u5727\u7e2e\u7387\u304c\u9ad8\u3044\u307b\u3069\u3001\u65e2\u5b58\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3084\u30b9\u30c8\u30ec\u30fc\u30b8 \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u3088\u308a\u591a\u304f\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u6d88\u8cbb\u8005\u304c\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>\n\n\n\n

    \n
    \n
    \"\"<\/figure>
    \n

    \u7d4c\u8cbb\u524a\u6e1b<\/strong><\/p>\n<\/div><\/div>\n\n\n\n

    \u3088\u308a\u5c11\u306a\u3044\u30ea\u30bd\u30fc\u30b9\u3068\u3088\u308a\u5c11\u306a\u3044\u30c7\u30fc\u30bf\u6d88\u8cbb\u3092\u4f7f\u7528\u3057\u3066\u3001\u540c\u3058\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u6d88\u8cbb\u8005\u306b\u914d\u4fe1\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n

    \n
    \"\"<\/figure>
    \n

    \u30b9\u30d4\u30fc\u30c9<\/strong><\/p>\n<\/div><\/div>\n\n\n\n

    \u30d3\u30c3\u30c8 \u30ec\u30fc\u30c8\u304c\u4f4e\u3044\u307b\u3069\u3001\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u304c\u9ad8\u901f\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

    HEVC\/H.265 \u6280\u8853\u306e\u6982\u8981 \u6d88\u8cbb\u8005\u306f\u3001\u53ef\u80fd\u306a\u9650\u308a\u6700\u9ad8\u306e\u54c1\u8cea\u306e\u753b\u50cf\u3067\u9ad8\u89e3\u50cf\u5ea6\u30d3\u30c7\u30aa\u3092\u6c42\u3081\u3066\u3044\u307e\u3059\u3002\u5f7c\u3089\u306f\u3044\u3064\u3067\u3082\u3069\u3053\u3067\u3082\u898b\u305f\u3044\u3068\u601d\u3063\u3066\u3044\u307e\u3059\u3002\u5f7c\u3089\u306f\u3001\u6700\u5927\u306e\u30e2\u30cb\u30bf\u30fc\u304b\u3089\u6700\u5c0f\u306e\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u307e\u3067\u3001\u3055\u307e\u3056\u307e\u306a\u753b\u9762\u306b\u30b7\u30fc\u30e0\u30ec\u30b9\u306b\u914d\u4fe1\u3059\u308b\u3053\u3068\u3092\u671b\u3093\u3067\u304a\u308a\u3001\u5f7c\u3089\u306f\u2026<\/p>","protected":false},"author":3,"featured_media":0,"parent":14,"menu_order":-70,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-23","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"Technology - Access Advance<\/title>\n<meta name=\"description\" content=\"HEVC\/H.265 delivers significant bit rate reductions compared to existing protocols - up to a 50% bit rate improvement over H\/264 - providing an optimized transport solution for 4K and higher video resolutions, and supporting images up to 7680 x 4320. 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