{"id":16210,"date":"2020-12-15T08:45:57","date_gmt":"2020-12-15T16:45:57","guid":{"rendered":"https:\/\/cisco2393.wpengine.com\/uncategorized\/av1-%e3%83%93%e3%83%87%e3%82%aa%e3%82%b3%e3%83%bc%e3%83%87%e3%83%83%e3%82%af%e3%80%81webex-%e3%81%ab%e7%99%bb%e5%a0%b4\/"},"modified":"2021-10-31T06:30:57","modified_gmt":"2021-10-31T13:30:57","slug":"av1-%e3%83%93%e3%83%87%e3%82%aa%e3%82%b3%e3%83%bc%e3%83%87%e3%83%83%e3%82%af%e3%80%81webex-%e3%81%ab%e7%99%bb%e5%a0%b4","status":"publish","type":"post","link":"https:\/\/blog.webex.com\/ja\/engineering\/av1-%e3%83%93%e3%83%87%e3%82%aa%e3%82%b3%e3%83%bc%e3%83%87%e3%83%83%e3%82%af%e3%80%81webex-%e3%81%ab%e7%99%bb%e5%a0%b4\/","title":{"rendered":"AV1 \u30d3\u30c7\u30aa\u30b3\u30fc\u30c7\u30c3\u30af\u3001Webex \u306b\u767b\u5834"},"content":{"rendered":"

Thomas Davies & Sijia Chen – Webex \u306f\u3001\u6765\u5e74\u521d\u3081\u306b AV1 \u30d3\u30c7\u30aa\u30b3\u30fc\u30c7\u30c3\u30af\u306e\u5b9f\u7528\u3092\u958b\u59cb\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002 \u3053\u308c\u306b\u3088\u308a\u3001\u30e1\u30c7\u30a3\u30a2\u306e\u54c1\u8cea\u304c\u6b21\u306e\u30ec\u30d9\u30eb\u306b\u5411\u4e0a\u3057\u307e\u3059\u3002 AOM \u306e\u8a2d\u7acb\u30e1\u30f3\u30d0\u30fc\u3068\u3057\u3066\u3001Cisco \u306f\u3053\u306e\u9ad8\u5ea6\u306a\u30d3\u30c7\u30aa\u6280\u8853\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u5e02\u5834\u306b\u5c0e\u5165\u3057\u3066\u3044\u307e\u3059\u3002\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u4ee5\u4e0b\u304c\u305d\u306e\u8a73\u7d30\u306b\u306a\u308a\u307e\u3059\u3002 Cisco \u3067\u306f\u3001\u9ad8\u5ea6\u306a AV1 \u30d3\u30c7\u30aa\u30b3\u30fc\u30c7\u30c3\u30af\u3092 Webex \u306b\u5c55\u958b\u3057\u3001\u30d3\u30c7\u30aa\u54c1\u8cea\u3092\u30d7\u30ed\u30bb\u30b9\u306e\u6b21\u306e\u30ec\u30d9\u30eb\u306b\u5f15\u304d\u4e0a\u3052\u3001\u53e4\u3044 H.264 \u898f\u683c\u3092\u7f6e\u304d\u63db\u3048\u308b\u305f\u3081\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u958b\u59cb\u3057\u307e\u3057\u305f\u3002<\/p>\n

\u6628\u5e74\u958b\u50ac\u3055\u308c\u305f Big Apple \u4f1a\u8b70<\/a>\u3067\u306e\u30c7\u30e2\u30f3\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u6210\u529f\u3055\u305b\u305f\u5f8c\u3001\u6765\u5e74\u521d\u3081\u304b\u3089\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30de\u30b7\u30f3\u3067\u9ad8\u30e2\u30fc\u30b7\u30e7\u30f3\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u5171\u6709\u3059\u308b\u969b\u306b AV1 \u304c Webex \u3067\u6709\u52b9\u306b\u306a\u308a\u307e\u3059\u3002 \u3064\u307e\u308a\u3001\u30b9\u30dd\u30fc\u30c4\u30d3\u30c7\u30aa\u3001\u30b3\u30de\u30fc\u30b7\u30e3\u30eb\u3001\u307e\u305f\u306f\u3042\u3089\u3086\u308b\u30bf\u30a4\u30d7\u306e\u30e2\u30fc\u30b7\u30e7\u30f3\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30b9\u304c\u9ad8\u3044\u6620\u50cf\u306a\u3069\u3001\u6700\u3082\u96e3\u3057\u3044\u3068\u3055\u308c\u308b\u7a2e\u985e\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30df\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u5171\u6709\u3059\u308b\u969b\u306b\u3001\u65b0\u3057\u3044 AV1 \u30b3\u30fc\u30c7\u30c3\u30af\u3092\u4f7f\u7528\u3057\u3066\u3001\u53ef\u80fd\u306a\u9650\u308a\u6700\u9ad8\u54c1\u8cea\u306e\u6620\u50cf\u3092\u5171\u6709\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

AV1 \u3068\u306f\uff1f<\/h2>\n

AV1 \u306f\u6b21\u4e16\u4ee3\u306e\u30d3\u30c7\u30aa\u30b3\u30fc\u30c7\u30c3\u30af\u3067\u3001\u30d3\u30c7\u30aa\u54c1\u8cea\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 Alliance for Open Media<\/a> \u306b\u3088\u3063\u3066\u30ed\u30a4\u30e4\u30ea\u30c6\u30a3\u30d5\u30ea\u30fc\u306e\u6280\u8853\u306b\u306a\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u300110 \u5e74\u8fd1\u304f\u306b\u308f\u305f\u3063\u3066\u4ed6\u306e\u9ad8\u5ea6\u306a\u30d3\u30c7\u30aa\u30b3\u30fc\u30c7\u30c3\u30af\u306e\u5c0e\u5165\u3092\u59a8\u3052\u3066\u304d\u305f\u7279\u8a31\u6226\u4e89\u3092\u56de\u907f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

Cisco \u306f\u3001AOM \u306e\u8a2d\u7acb\u30e1\u30f3\u30d0\u30fc\u3067\u3042\u308b\u3053\u3068\u3092\u8a87\u308a\u306b\u601d\u3063\u3066\u3044\u307e\u3059\u3002 \u3053\u308c\u3089<\/a>\u306e\u30d6\u30ed\u30b0<\/a>\u3067\u306f\u3001AOM \u3068 AV1 \u304c\u3069\u306e\u3088\u3046\u306a\u3082\u306e\u306b\u306a\u3063\u305f\u304b\u3001\u305d\u3057\u3066 AV1 \u306e\u958b\u767a\u3092 Cisco \u304c\u3069\u306e\u3088\u3046\u306b\u652f\u63f4\u3057\u305f\u304b\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

Webex \u3067 AV1 \u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u3082\u306e\u3068\u306f\uff1f<\/h2>\n

[\u30e2\u30fc\u30b7\u30e7\u30f3\u3068\u30d3\u30c7\u30aa\u306e\u6700\u9069\u5316] \u3092\u9078\u629e\u3057\u3066\u753b\u9762\u307e\u305f\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5171\u6709\u3057\u3066\u304a\u308a\u3001\u4f7f\u7528\u4e2d\u306e\u30de\u30b7\u30f3\u306b\u6700\u4f4e 4 \u3064\u306e\u30b3\u30a2\u304c\u642d\u8f09\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306b\u3001AV1 \u306e\u9001\u4fe1\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u307e\u3059\u3002 AV1 \u306e\u53d7\u4fe1\u306f\u3001\u6700\u4f4e 2 \u3064\u306e\u30b3\u30a2\u3092\u6301\u3064\u3059\u3079\u3066\u306e\u30de\u30b7\u30f3\u3067\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u307e\u3059\u3002 AV1 \u306f\u3001\u30df\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u5168\u53c2\u52a0\u8005\u304c\u3053\u306e\u30bf\u30a4\u30d7\u306e\u753b\u9762\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u5834\u5408\u306f\u3001\u81ea\u52d5\u7684\u306b\u5171\u6709\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u30b5\u30dd\u30fc\u30c8\u3057\u306a\u3044\u5834\u5408\u306f\u3001H.264 \u306b\u81ea\u52d5\u7684\u306b\u623b\u308a\u307e\u3059\u3002<\/p>\n

AV1 \u306e\u5c55\u958b\u65b9\u6cd5<\/h2>\n

\u65b0\u3057\u3044\u30d3\u30c7\u30aa\u30b3\u30fc\u30c7\u30c3\u30af\u3092\u63a1\u7528\u3059\u308b\u3053\u3068\u306f\u3001\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u30dd\u30fc\u30c8\u30d5\u30a9\u30ea\u30aa\u306e\u3059\u3079\u3066\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u305f\u3081\u3001\u6bb5\u968e\u7684\u306b\u9032\u3081\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u4eca\u5f8c\u306e\u30ea\u30ea\u30fc\u30b9\u3067\u306f\u3001AV1 \u306e\u5c55\u958b\u5148\u3092\u4f53\u7cfb\u7684\u306b\u62e1\u5f35\u3057\u3066\u3044\u304d\u307e\u3059\u3002 \u3059\u3050\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u306f\u3001\u30c6\u30ad\u30b9\u30c8\u3068\u30a4\u30e1\u30fc\u30b8\u7528\u306b\u6700\u9069\u5316\u3055\u308c\u305f\u3001\u307e\u305f\u306f\u81ea\u52d5\u7684\u306b\u6700\u9069\u5316\u3055\u308c\u305f\u3001\u4ed6\u306e\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u5171\u6709\u30e2\u30fc\u30c9\u3067 AV1 \u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002 AV1 \u306f\u3053\u308c\u3089\u306e\u30e2\u30fc\u30c9\u3067\u3082\u540c\u69d8\u306b\u6a5f\u80fd\u3057\u307e\u3059\u304c\u3001\u5404\u30b9\u30c6\u30c3\u30d7\u3067\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u304c\u5b8c\u74a7\u306b\u306a\u308b\u3088\u3046\u306b\u5f90\u3005\u306b\u5909\u66f4\u3059\u308b\u3088\u3046\u306b\u6ce8\u610f\u3057\u3066\u53d6\u308a\u7d44\u3093\u3067\u3044\u307e\u3059\u3002<\/p>\n

Webex \u3067\u306f\u3001\u57fa\u672c\u7684\u306b\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u3055\u308c\u308b\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u304c\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u306f\u3001\u30df\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u5404\u53c2\u52a0\u8005\u304b\u3089\u306e\u30d3\u30c7\u30aa\u306f\u3001\u305d\u308c\u305e\u308c\u306e\u30de\u30b7\u30f3\u4e0a\u3067\u3055\u307e\u3056\u307e\u306a\u54c1\u8cea\u3067\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3055\u308c\u3001\u30b5\u30fc\u30d0\u30fc\u3092\u7d4c\u7531\u3057\u3066\u4ed6\u306e\u30df\u30fc\u30c6\u30a3\u30f3\u30b0\u53c2\u52a0\u8005\u306b\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002 \u6700\u521d\u306b\u3001AV1 \u3092\u30b5\u30dd\u30fc\u30c8\u3067\u304d\u306a\u3044\u53c2\u52a0\u8005\u304c\u3044\u308b\u5834\u5408\u306f\u3001H.264 \u3092\u4f7f\u7528\u3059\u308b\u3088\u3046\u306b\u81ea\u52d5\u7684\u306b\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u3057\u307e\u3059\u3002 \u4eca\u5f8c\u3001\u3053\u306e\u3088\u3046\u306a\u53c2\u52a0\u8005\u306b AV1 \u3068 H.264 \u306e\u9593\u3067\u30a2\u30c9\u30db\u30c3\u30af\u30c8\u30e9\u30f3\u30b9\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u308c\u3089\u306e\u5236\u9650\u3082\u53d6\u308a\u9664\u3044\u3066\u3044\u304d\u307e\u3059\u3002 \u3053\u308c\u306b\u3088\u308a\u3001\u305f\u3068\u3048\u3070 H.264 \u306b\u623b\u3059\u3053\u3068\u306a\u304f AV1 \u30df\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u8a18\u9332\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u307e\u305f\u3001\u30e2\u30d0\u30a4\u30eb\u30c7\u30d0\u30a4\u30b9\u306b\u3082\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2 AV1 \u30b5\u30dd\u30fc\u30c8\u3092\u8fc5\u901f\u306b\u5c0e\u5165\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308b\u305f\u3081\u3001AV1 \u3092\u30e2\u30d0\u30a4\u30eb\u306b\u5c55\u958b\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002 \u5f53\u793e\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30d9\u30fc\u30b9\u3067\u3042\u308a\u3001ARM \u304a\u3088\u3073 x86 \u30d7\u30ed\u30bb\u30c3\u30b5\u3067\u306f\u975e\u5e38\u306b\u9ad8\u901f\u3067\u3059\u304c\u3001\u53ef\u80fd\u306a\u9650\u308a\u30e2\u30d0\u30a4\u30eb\u3067\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30b3\u30fc\u30c7\u30c3\u30af\u3092\u4f7f\u7528\u3057\u3066\u3001\u6700\u5927\u9650\u306e\u30d0\u30c3\u30c6\u30ea\u30fc\u5bff\u547d\u3092\u5b9f\u73fe\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n

\u307e\u305f\u3001\u5f53\u793e\u306f\u6700\u9069\u5316\u3092\u7d99\u7d9a\u3057\u306a\u304c\u3089\u3001AV1 \u306e\u30b3\u30a2\u6570\u306b\u95a2\u3059\u308b\u5236\u9650\u3092\u7de9\u548c\u3059\u308b\u3088\u3046\u306b\u52aa\u3081\u3066\u3044\u307e\u3059\u3002 \u5b9f\u969b\u3001\u9a5a\u304f\u3079\u304d\u3053\u3068\u306b\u3001\u5f53\u793e\u306e AV1 \u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f H.264 \u3088\u308a\u3082 CPU \u3092\u307b\u3068\u3093\u3069\u4f7f\u7528\u3057\u307e\u305b\u3093\u3002 \u3057\u304b\u3057\u3001\u4e16\u306e\u4e2d\u306b\u306f\u3055\u307e\u3056\u307e\u306a\u30de\u30b7\u30f3\u304c\u5b58\u5728\u3057\u3066\u304a\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u5f90\u3005\u306b\u79fb\u884c\u3057\u3066\u304d\u307e\u3059\u3002<\/p>\n

Cisco \u306e AV1 \u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/h2>\n

\u5f53\u793e\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u5f37\u5316\u3059\u308b\u306e\u306f\u3001\u8d85\u6700\u9069\u5316\u3055\u308c\u305f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30a8\u30f3\u30b3\u30fc\u30c0\u3067\u3059\u3002 \u305d\u306e\u8a2d\u8a08\u6642\u306b\u306f\u30012 \u3064\u306e\u76ee\u6a19\u304c\u3042\u308a\u307e\u3057\u305f\u3002 \u305d\u306e\u76ee\u6a19\u3068\u306f\u3001H.264 \u3088\u308a\u3082\u5927\u304d\u306a\u5229\u70b9\u3092\u3082\u305f\u3089\u3059\u3053\u3068\u3001\u305d\u3057\u3066\u53ef\u80fd\u306a\u9650\u308a\u6700\u5c0f\u9650\u306e\u8ffd\u52a0\u8a08\u7b97\u30b3\u30b9\u30c8\u3067\u305d\u306e\u5229\u70b9\u3092\u5b9f\u73fe\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n

\u3053\u308c\u306f\u304b\u306a\u308a\u96e3\u3057\u3044\u6ce8\u6587\u3067\u3059\u3002 \u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u306e\u3088\u3046\u306a\u975e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u65b0\u3057\u3044\u898f\u683c\u306e\u5229\u70b9\u3092\u4eab\u53d7\u3059\u308b\u305f\u3081\u306b\u3001\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u8907\u96d1\u3055\u3092 2\u30014\u300110 \u500d\u306b\u5897\u3084\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u901a\u4fe1\u3067\u306f\u3001\u3053\u308c\u306f\u9069\u7528\u3055\u308c\u307e\u305b\u3093\u3002 \u304a\u5ba2\u69d8\u304c\u4f7f\u7528\u3059\u308b\u30de\u30b7\u30f3\u306f\u3001\u6642\u9593\u306e\u7d4c\u904e\u3068\u3068\u3082\u306b\u3055\u3089\u306b\u5f37\u529b\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u3055\u3089\u306b\u591a\u304f\u306e\u3053\u3068\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u306b\u3082\u306a\u308a\u307e\u3059\u3002<\/p>\n

Cisco AV1 \u30a8\u30f3\u30b3\u30fc\u30c0\u306f\u67d4\u8edf\u6027\u304c\u9ad8\u304f\u3001H.264 \u3068\u540c\u69d8\u306e CPU \u30d5\u30c3\u30c8\u30d7\u30ea\u30f3\u30c8\u3067\u52d5\u4f5c\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u54c1\u8cea\u304c\u3055\u3089\u306b\u91cd\u8981\u306a\u5834\u5408\u306f\u3001\u4f4e\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u3067\u3088\u308a\u9ad8\u3044\u54c1\u8cea\u6539\u5584\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n

\u30df\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u9023\u7d50\u3059\u308b\u3053\u3068\u3067\u3001\u5f53\u793e\u306e\u30b5\u30fc\u30d0\u30fc\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306f\u3001\u3059\u3079\u3066\u306e\u53c2\u52a0\u8005\u306b\u5408\u308f\u305b\u3066\u8907\u6570\u306e\u30b3\u30fc\u30c7\u30c3\u30af\u3001\u89e3\u50cf\u5ea6\u3001\u30d3\u30c3\u30c8\u30ec\u30fc\u30c8\u3092\u30cd\u30b4\u30b7\u30a8\u30fc\u30c8\u3057\u3001\u5909\u5316\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6761\u4ef6\u306b\u5f3e\u529b\u6027\u3092\u6301\u305f\u305b\u3066\u5bfe\u5fdc\u3059\u308b\u5fc5\u8981\u6027\u304c\u751f\u3058\u307e\u3059\u3002<\/p>\n

\u307e\u305f\u3001\u5f53\u793e\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306f\u3001VideoLAN \u306e\u8d85\u9ad8\u901f dav1d \u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9 AV1 \u30c7\u30b3\u30fc\u30c0<\/a>\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001AV1 \u306e\u5c0e\u5165\u3092\u52a0\u901f\u3059\u308b\u305f\u3081\u306b\u591a\u5927\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u3066\u304d\u305f\u3001\u9a5a\u304f\u3079\u304d\u53d6\u308a\u7d44\u307f\u3067\u3059\u3002<\/p>\n

\u672a\u6765\uff1a \u30e1\u30c7\u30a3\u30a2\u306e\u54c1\u8cea\u3068 Cisco<\/h2>\n

\u4eca\u5e74\u306f\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u6280\u8853\u306e\u5229\u7528\u304c\u6025\u5897\u3057\u3066\u304a\u308a\u3001\u4eba\u3005\u306f\u3053\u308c\u307e\u3067\u4ee5\u4e0a\u306b\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u6280\u8853\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002 \u30e1\u30c7\u30a3\u30a2\u306e\u54c1\u8cea\u306f\u3001\u4f53\u9a13\u3092\u5411\u4e0a\u3055\u305b\u3001\u73fe\u5728\u306e\u5371\u6a5f\u3084\u305d\u306e\u5f8c\u306b\u3001\u4eee\u60f3\u751f\u6d3b\u3067\u5b9f\u73fe\u53ef\u80fd\u306a\u3064\u306a\u304c\u308a\u3092\u6df1\u3081\u308b\u305f\u3081\u306b\u91cd\u8981\u3067\u3059\u3002 AV1 \u306f\u3001\u3088\u308a\u9ad8\u54c1\u8cea\u306a\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u30df\u30fc\u30c6\u30a3\u30f3\u30b0\u4f53\u9a13\u3092\u958b\u767a\u3059\u308b\u305f\u3081\u306e\u591a\u9762\u7684\u306a\u6226\u7565\u306e\u4e00\u90e8\u3067\u3059\u3002\u7c21\u5358\u306b\u7533\u3057\u4e0a\u3052\u308b\u3068\u3001\u4f53\u9a13\u3092 10 \u500d\u826f\u304f<\/a>\u3059\u308b\u305f\u3081\u3082\u306e\u306a\u306e\u3067\u3059\u3002 AV1 \u3092\u30cb\u30e5\u30fc\u30ce\u30fc\u30de\u30eb\u306b\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u308b\u30e1\u30c7\u30a3\u30a2\u306f\u3001\u3088\u308a\u8c4a\u304b\u3067\u3001\u3088\u308a\u8a73\u7d30\u3067\u3001\u3088\u308a\u9bae\u3084\u304b\u306b\u306a\u308b\u3053\u3068\u3082\u76ee\u7684\u306e\u4e00\u90e8\u3067\u3059\u3002<\/p>\n

\u8457\u8005\u306b\u3064\u3044\u3066<\/strong><\/p>\n

Thomas Davies<\/a> \u306f Collaboration Technology Group \u306e\u30d7\u30ea\u30f3\u30b7\u30d1\u30eb\u30a8\u30f3\u30b8\u30cb\u30a2\u3067\u3059\u3002 \u5f7c\u306f\u885b\u661f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001RF \u901a\u4fe1\u3001\u304a\u3088\u3073\u653e\u9001\u306b\u643a\u308f\u3063\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u30d3\u30c7\u30aa\u3084\u30b3\u30fc\u30c7\u30c3\u30af\u306b\u307b\u3068\u3093\u3069\u306e\u30ad\u30e3\u30ea\u30a2\u3092\u8cbb\u3084\u3057\u3066\u304d\u307e\u3057\u305f\u3002 Cisco \u3067\u306f 8 \u5e74\u4ee5\u4e0a\u306b\u308f\u305f\u308a\u3001\u6b21\u4e16\u4ee3\u306e\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u4f53\u9a13\u306e\u69cb\u7bc9\u306b\u643a\u308f\u3063\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n

Sijia Chen<\/a> \u306f\u3001Collaboration Technology Group \u306e\u30c6\u30af\u30cb\u30ab\u30eb\u30ea\u30fc\u30c0\u30fc\u3067\u3059\u3002 \u5f7c\u5973\u306f\u30d3\u30c7\u30aa\u30b3\u30fc\u30c7\u30c3\u30af\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u8a2d\u8a08\u3068\u5b9f\u88c5\u3001\u30d3\u30c7\u30aa\u54c1\u8cea\u8a55\u4fa1\u3068\u30e1\u30c8\u30ea\u30c3\u30af\u306a\u3069\u3001\u30d3\u30c7\u30aa\u95a2\u9023\u306e\u6a5f\u80fd\u306e\u958b\u767a\u306b\u53d6\u308a\u7d44\u3093\u3067\u3044\u307e\u3059\u3002 12 \u5e74\u4ee5\u4e0a\u306b\u308f\u305f\u308a\u3001\u8907\u6570\u306e Webex \u88fd\u54c1\u30e9\u30a4\u30f3\u306b\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b Webex Media Engine \u3067\u3001Cisco \u306e\u305f\u3081\u306b\u5c3d\u529b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n


\n \u3053\u3061\u3089<\/a>\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066 Webex \u306e\u30b5\u30fc\u30d3\u30b9\u306e\u8a73\u7d30\u3092\u78ba\u8a8d\u3057\u3001\u7121\u6599\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u30b5\u30a4\u30f3\u30a2\u30c3\u30d7\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u00a0<\/span><\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"

Webex \u306f\u6765\u5e74\u521d\u3081\u306b AV1 \u30d3\u30c7\u30aa\u30b3\u30fc\u30c7\u30c3\u30af\u3092\u88fd\u54c1\u5316\u3057\u3001\u30e1\u30c7\u30a3\u30a2\u306e\u54c1\u8cea\u3092\u6b21\u306e\u30ec\u30d9\u30eb\u306b\u5f15\u304d\u4e0a\u3052\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":16211,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[1531],"tags":[15033,14896],"class_list":["post-16210","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-engineering","tag-high-quality-video","tag-video-intelligence"],"acf":[],"yoast_head":"\nAV1 \u30d3\u30c7\u30aa\u30b3\u30fc\u30c7\u30c3\u30af\u3001Webex \u306b\u767b\u5834 | Webex Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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