{"id":807,"date":"2025-07-24T22:58:17","date_gmt":"2025-07-24T13:58:17","guid":{"rendered":"https:\/\/www.decteng.com\/?p=807"},"modified":"2025-08-18T18:35:48","modified_gmt":"2025-08-18T09:35:48","slug":"wowza-streaming-engine-transcoder-cbr-bug-eng-2346","status":"publish","type":"post","link":"https:\/\/www.decteng.com\/ko\/wowza-streaming-engine-transcoder-cbr-bug-eng-2346\/","title":{"rendered":"\uc640\uc6b0\uc790 \ud2b8\ub79c\uc2a4\ucf54\ub354 CBR \ubc84\uadf8, \ud55c\ub2ec\uac04\uc758 \ucd94\uc801\uacfc \uacf5\uc2dd\ubc84\uadf8 \ub4f1\ub85d"},"content":{"rendered":"\n<section id=\"WhyNot\">\n<h2>\uc0bd\uc9c8\uc758 \uc2dc\uc791 : \uc5b4? \uc65c \uc5c6\uc9c0?<\/h2>\n<p>\ubcf8 \ud544\uc790\uac00 \uc791\uc131\ud558\ub294 \ubaa8\ub4e0 \uae00\ub4e4\uc740, \ubcf8 \ud544\uc790\uac00 \uc2e4\uc81c\ub85c \uad6c\ucd95\ud574 \uc6b4\uc601\ud588\uac70\ub098 \uc6b4\uc601\ud558\uace0 \uc788\ub294 \uc11c\ube44\uc2a4 \ub610\ub294, \uacc4\ud68d\ud558\uace0 \uc788\ub294 \uc11c\ube44\uc2a4\uc758 \ud14c\uc2a4\ud2b8\ubca0\ub4dc\ub97c \uad6c\ucd95\ud558\ub294 \uacfc\uc815\uc744 \uc7ac\ud604\ud574 \uac00\uba70 \uc791\uc131\ud558\uace0 \uc788\ub2e4. \ubcf8 \ud544\uc790\uc758 \ubd80\uc871\ud55c \uae30\uc5b5\ub825\uc744 \ubcf4\uc870\ud558\ub294 \ub3d9\uc2dc\uc5d0, \uc5b4\ub514\uc5d0\uc120\uac00 \ube44\uc2b7\ud55c \uc0c1\ud669\uc5d0 \ucc98\ud55c \ub3c5\uc790 \uc81c\uc704\uc758 \uc0bd\uc9c8 \uc2dc\uac04\uc744 \uc808\uc57d\ud558\uc168\uc73c\uba74 \ud558\ub294 \uc791\uc740 \uc18c\ub9dd\uc774 \uc788\uae30 \ub54c\ubb38\uc774\ub2e4.<\/p>\n<p>\ubcf8 \ud544\uc790\uac00 \uafb8\uc5ed\uafb8\uc5ed \uad6c\uae00 \uc11c\uce58\ucf58\uc194\uacfc \uc560\ub4dc\uc13c\uc2a4\uc758 \ud640\ub300\ub97c \ucc38\uc544\uac00\uba70 \uc640\uc6b0\uc790 \uc2a4\ud2b8\ub9ac\ubc0d \uc5d4\uc9c4(Wowza Streaming Engine, \uc774\ud558 \uc640\uc6b0\uc790)\uc5d0 \uad00\ud55c \uae00\uc744 \uc4f0\uba70 \ud2b8\ub79c\uc2a4\ucf54\ub354\uc5d0 \ub300\ud55c \ub0b4\uc6a9\uc744 \ub2e4\ub8e8\uae30 \uc2dc\uc791\ud588\uc744 \ub54c, \ubcf8 \ud544\uc790\ub294 \ud55c \uac00\uc9c0 \ub2f9\ud669\uc2a4\ub7ec\uc6b4 \uc0c1\ud669\uc744 \ub9cc\ub098\uac8c \ub418\uc5c8\ub2e4.<\/p>\n<blockquote>\uc5b4? \uc65c \ud2b8\ub79c\uc2a4\ucf54\ub529 \uc635\uc158\uc5d0 VBR\uc774 \uc5c6\uc9c0?<\/blockquote>\n<p>\uc0dd\uac01\ud574\ubcf4\ub2c8 \ubcf8 \ud544\uc790\ub294 VBR(Variable Bit Rate : \uac00\ubcc0 \uc804\uc1a1\ub960)\uc744 \uc0ac\uc6a9\ud560 \uc77c\uc774 \uac70\uc758 \uc5c6\uc5c8\ub2e4. VBR\uc744 \uc0ac\uc6a9\ud560 \uc77c\uc774\ub77c\uace0 \ud574\ubd10\uc57c \uacfc\uac70 \uc704\uc131\uc7a5\ube44\ub098 RealVideo \uc2dc\uc808 \uc815\ub3c4\uc600\uace0, \ub300\ubd80\ubd84\uc740 CBR(Constant Bit Rate : \uace0\uc815 \uc804\uc1a1\ub960) \uae30\ubc18 \uc2dc\uc2a4\ud15c\ub4e4\uc744 \ub2e4\ub904\uc654\uc5c8\ub2e4. \uadf8 \uc624\ub79c\uae30\uac04 \uc640\uc6b0\uc790\ub97c \ub2e4\ub904\uc624\uba74\uc11c\ub3c4 VBR \uc124\uc815\ud56d\ubaa9\uc774 \uc5c6\ub2e4\ub294 \uac83\uc744 \ub208\uce58\ucc44\uc9c0 \ubabb\ud560 \ub9cc\ud07c \ub9d0\uc774\ub2e4. <del>(\ub9de\ub2e4. \uc0ac\uc2e4 \ud551\uacc4\ub2e4..)<\/del><\/p>\n<p>\ud558\uc9c0\ub9cc \uc774\uc81c\uae4c\uc9c0 \uc218\ub9ce\uc740 \uc778\ucf54\ub354\uc640 \ud2b8\ub79c\uc2a4\ucf54\ub354\ub97c \ub2e4\ub904 \uc624\uba70, CBR &#8211; VBR \uc120\ud0dd \uc635\uc158\uc774 \uc5c6\ub294 \uc7a5\ube44\ub97c \ubcf8 \uae30\uc5b5\uc740 \uc5c6\uc5c8\ub2e4. \uc640\uc6b0\uc790 \ud2b8\ub79c\uc2a4\ucf54\ub354\uc5d0 \ub300\ud55c \uae00\uc744 \uc791\uc131\ud558\uba70 \ub2f9\uc5f0\ud788 \uc774 \ubd80\ubd84\uc744 \ub2e4\ub8e8\ub824 \ud588\ub358 \ud544\uc790\uac00 \ud63c\ub780\uc5d0 \ube60\uc9c4 \uc21c\uac04\uc774\uc5c8\ub2e4.<\/p>\n<\/section>\n<section id=\"ItMustExist\">\n<h2>\uadf8\ub807\uc9c0, \uc5c6\uc744 \ub9ac\uac00 \uc5c6\uc9c0<\/h2>\n<p>\uc77c\ub2e8 \uad00\ub828\ub41c \uc790\ub8cc\ub97c \ub4a4\uc838\ubcf4\uae30 \uc2dc\uc791\ud588\uc73c\ub098, VBR \uc124\uc815\uacfc \uad00\ub828\ub41c \uc758\ubbf8\uc788\ub294 \uc790\ub8cc\ub97c \ucc3e\uc744 \uc218 \uc5c6\uc5c8\ub2e4. \uadf8\ub807\uac8c \uc5ec\uae30 \uc800\uae30 \ub4a4\uc801\uc774\ub358 \uc911, \ud558\ub098\uc758 \ub2e8\uc11c\ub97c \ucc3e\uac8c \ub418\uc5c8\ub2e4.<\/p>\n<blockquote>Updated transcoder VBR target to peak bitrate range from varying values per-implementation to 110% everywhere<br>\ud2b8\ub79c\uc2a4\ucf54\ub354\uc758 VBR \ud0c0\uac9f\uc744 \ucd5c\ub300 \ube44\ud2b8\ub808\uc774\ud2b8\uc758 110% \ub85c \uc218\uc815\ud568<br><a href=\"https:\/\/www.wowza.com\/docs\/wowza-streaming-engine-4-0-1-release-notes\" title=\"Wowza Streaming Engine Release Note\" target=\"_blank\" rel=\"noopener\">\uc640\uc6b0\uc790 \uc2a4\ud2b8\ub9ac\ubc0d \uc5d4\uc9c4 \uc5c5\ub370\uc774\ud2b8 \ub178\ud2b8<\/a><\/blockquote>\n<p><strong>\uadf8\ub807\uc9c0! \uba85\uc0c9\uc774 \ud2b8\ub79c\uc2a4\ucf54\ub354\uc778\ub370 VBR \uc635\uc158\uc774 \uc5c6\uc744 \ub9ac\uac00 \uc5c6\uc9c0!<\/strong> \uc2e4\ub9c8\ub9ac\ub97c \uc5bb\uc740 \ubcf8 \ud544\uc790\ub294 \uc774 \ub0b4\uc6a9\uc744 \uac00\uc9c0\uace0 \uc640\uc6b0\uc790 \uae30\uc220\uc9c0\uc6d0\uc5d0 \ubb38\uc758\ub97c \ud588\uace0, \uba87 \uc2dc\uac04 \uc9c0\ub098\uc9c0 \uc54a\uc544 \uc640\uc6b0\uc790\ub85c\ubd80\ud130 \ub2f5\ubcc0\uc774 \ub3c4\ucc29\ud588\ub2e4. \uadf8 \ub0b4\uc6a9\uc740 \ud2b8\ub79c\uc2a4\ucf54\ub354 \ud0ec\ud50c\ub9bf \ud30c\uc77c\uc5d0 \uc544\ub798\uc640 \uac19\uc740 \ud30c\ub77c\ubbf8\ud130\ub97c \ucd94\uac00\ud558\uba74 \ub41c\ub2e4\ub294 \uac83 \uc774\uc5c8\ub2e4.<\/p>\n<pre><code>&lt;Parameter&gt;\n    &lt;Name&gt;mainconcept.bit_rate_mode&lt;\/Name&gt;\n    &lt;Value&gt;2&lt;\/Value&gt; &lt;!-- 0 = CBR, 1 = CQT, 2 = VBR, 3 = TQM --&gt;\n    &lt;Type&gt;Long&lt;\/Type&gt;\n&lt;\/Parameter&gt;<\/code><\/pre>\n<p>\ud544\uc790\ub294 \uae00\uc744 \uc774\uc5b4\uac08 \uc218 \uc788\ub2e4\ub294 \uae30\uc05c \ub9c8\uc74c\uc744 \uac00\uc9c0\uace0 \uc124\uc815\uc744 \uc801\uc6a9\uc2dc\ucf30\ub2e4. \uadf8\ub9ac\uace0 CBR\uc640 VBR\uc758 \ucc28\uc774\ub97c \uc2e4\uc81c \ub208\uc73c\ub85c \ubcf4\uc774\uae30 \uc704\ud574 VLC\uc758 \ub514\ucf54\ub529 \ube44\ud2b8\ub808\uc774\ud2b8\ub97c \ucea1\ucc98\ud558\ub824 \ud588\ub2e4. \uadf8\ub9ac\uace0, <strong>\ubcf8\uaca9\uc801\uc778 \uc0bd\uc9c8\uc774 \uc2dc\uc791\ub418\uc5c8\ub2e4.<\/strong><\/p>\n<\/section>\n<section id=\"FullScaleDigging\">\n<h2>\ubcf8\uaca9\uc801\uc778 \uc0bd\uc9c8 : \uc5b4? \uc774\uac70 \uc544\ub2cc\ub370?<\/h2>\n<section id=\"WhatsDifferent\">\n<h3>\ubb50\uac00 \ub2e4\ub978 \uac70\uc57c?<\/h3>\n<p>\ubcf8 \ud544\uc790\ub294 \ud558\ub098\uc758 \ub77c\uc774\ube0c \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uc544\ub798\uc640 \uac19\uc774 \ub450 \ud2b8\ub79c\uc2a4\ucf54\ub354 \ud504\ub85c\ud30c\uc77c\uc744 \uc0dd\uc131\ud55c \ub2e4\uc74c, 9Mbps UDP Multicast MPEG TS \uc2a4\ud2b8\ub9bc\uc744 \uc785\ub825\uc2dc\ucf30\ub2e4. \n<ul><li>\uc640\uc6b0\uc790 \uae30\ubcf8 \ud2b8\ub79c\uc2a4\ucf54\ub529 \ud504\ub85c\ud30c\uc77c\uc758 \ube44\ub514\uc624 \ube44\ud2b8\ub808\uc774\ud2b8\uc5d0 3.65Mbps \uc801\uc6a9<\/li><li>\uc640\uc6b0\uc790 \uae30\ubcf8 \ud2b8\ub79c\uc2a4\ucf54\ub529 \ud504\ub85c\ud30c\uc77c\uc758 \ube44\ub514\uc624 \ube44\ud2b8\ub808\uc774\ud2b8\uc5d0 3.65Mbps \uc801\uc6a9 \ud6c4 VBR \ud30c\ub77c\ubbf8\ud130 \uc801\uc6a9<\/li><\/ul>\n\uc11c\ub85c \ub2e4\ub978 \ud2b8\ub79c\uc2a4\ucf54\ub354\ub97c \uac70\uce5c \ub450 \ucd9c\ub825 \uc2a4\ud2b8\ub9bc\uc758 \ube44\ud2b8\ub808\uc774\ud2b8\ub294 \ub2f9\uc5f0\ud788 \ub2e4\ub974\uac8c \uce21\uc815\ub418\uc5b4\uc57c \ud560 \uac83\uc774\ub2e4. \ud558\uc9c0\ub9cc \uc2e4\uc81c\ub85c \ucd9c\ub825\ub41c \ub450 \uc2a4\ud2b8\ub9bc\uc758 \ube44\ud2b8\ub808\uc774\ud2b8\ub294 \ub3d9\uc77c\ud588\uc73c\uba70, \ubaa8\ub4dc\ub97c CBR\ub85c \ubcc0\uacbd\ud574 \ubcf4\uae30\ub3c4 \ud588\uc9c0\ub9cc \uc5ed\uc2dc \uacb0\uacfc\ub294 \ub3d9\uc77c\ud588\ub2e4.<\/p>\n<p>\uc124\uc815\uc744 \uc798\ubabb \uc9d1\uc5b4\ub123\uc740 \uac74\uac00 \uc2f6\uc5b4 <code>ffprobe<\/code>\ub85c \uce21\uc815\ud55c \ube44\ud2b8\ub808\uc774\ud2b8 \ub370\uc774\ud130\uc640 \uc0ac\uc6a9\ud55c <code>transrate.xml<\/code>\ub97c \uac00\uc9c0\uace0 \uc640\uc6b0\uc790\uc5d0 \uc7ac \ubb38\uc758\ud588\ub354\ub2c8 \uba70\uce60 \ud6c4 \uc774\ub7f0 \ub0b4\uc6a9\uc758 \ub2f5\ubcc0\uc774 \ub3c4\ucc29\ud588\ub2e4.<\/p>\n<blockquote>I\u2019d also suggest testing with a more dynamic source (fast movement, scene changes, etc.) to give the encoder more reason to vary the bitrate.<br>\uc815\uc801\uc778 \ud654\uba74\uc5d0\uc11c\ub294 \ube44\ud2b8\ub808\uc774\ud2b8 \ubcc0\ud654\ub3c4 \uc791\uc73c\ub2c8\uae4c \ub3d9\uc801\uc778 \ud654\uba74\uc73c\ub85c \uc2dc\ud5d8\ud574 \ubcf4\uc148<\/blockquote>\n<p>\uc774 \ub2f5\ubcc0\uc744 \ubc1b\ub294 \uc21c\uac04, \ubcf8 \ud544\uc790\ub294 \ucd09\uc774 \uc654\ub2e4. <strong>\uc774\uac70.. \ub2f5 \ub098\uc624\uae30 \ud798\ub4e4\uaca0\ub124..<\/strong><\/p>\n<\/section>\n\t<section id=\"LookClosely\">\n<h3>\ub208\uc744 \ud06c\uac8c \ub728\uace0 \ubcf4\ub77c\uace0!<\/h3>\n<p>\ucf58\ud150\uce20 \ubb38\uc81c\ub77c \ub9d0\ud558\ub294 \ub370\uc5d0\ub294, \ub450 \ub208\uc73c\ub85c \uc9c1\uc811 \ubcf4\uc5ec\uc8fc\ub294 \uac8c \ub2f5\uc774\ub2e4. \ub3d9\uc801\uc778 \ud654\uba74\uc774\ub77c\uace0 \ud558\uba74 \ubcf4\ud1b5 \ucf58\uc11c\ud2b8\ub098 \uc2a4\ud3ec\uce20 \uc911\uacc4\uc640 \uac19\uc740 \ucf58\ud150\uce20\ub97c \uc0dd\uac01\ud55c\ub2e4. \ubcf8 \ud544\uc790\ub3c4 \ub3d9\uc758\ud558\uc9c0\ub9cc, \uadf8 \ubabb\uc9c0\uc54a\uac8c \ub3d9\uc801\uc778 \ucf58\ud150\uce20\uac00 \uc788\uc73c\ub2c8 \ubc14\ub85c <strong>\ubcc0\uc2e0\uc18c\ub140\uac00 \ub4f1\uc7a5\ud558\ub294 \uc560\ub2c8\uba54\uc774\uc158<\/strong>\uc774\ub2e4.<\/p>\n<center><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/RXsEvjIbk1k?si=o41SXGNA1cNJbe7T\" title=\"YouTube video player\" frameborder=\"1\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/center>\n<p>\uc704 \uc601\uc0c1\uc740, \uc2e4\ud5d8 \ub2f9\uc2dc \uc0ac\uc6a9\ub41c \ucf58\ud150\uce20\uc758 \uc800\uc791\uad8c \ubcf4\ud638\ub97c \uc704\ud574 \uc640\uc6b0\uc790\uc5d0 \ubcf4\ub0b8 \ucea1\ucc98 \ud30c\uc77c\uc758 \uc624\ub514\uc624\uc640 \ube44\ub514\uc624\ub97c \uac00\uacf5\ud55c \uac83\uc774\ub2e4. \ube44\ub85d \ubaa8\uc790\uc774\ud06c\uc9c0\ub9cc \ucda9\ubd84\ud788 \ub3d9\uc801\uc778 \ucf58\ud150\uce20\uc778 \uac83\uc744 \uc54c \uc218 \uc788\uc744 \uac83\uc774\ub2e4. \uc601\uc0c1 \uc544\ub798\uc5d0\ub294 VLC\uc758 \uc815\ubcf4\ucc3d\uc774 \ub098\ud0c0\ub098\uace0 \uc788\ub2e4.<\/p>\n<p>\uc5ec\uae30\uc11c \uc8fc\uc758\uae4a\uac8c \ubd10\uc57c \ud560 \uac83\uc740 \uc138 \uac00\uc9c0\ub85c,\n<dl>\n    <dt>\uc785\ub825 \ubbf8\ub514\uc5b4 \ub370\uc774\ud130 \ud06c\uae30<\/dt>\n    <dd>\uc2a4\ud2b8\ub9bc\uc774 \uc804\uc1a1\ub41c \ucd1d \uc591\uc744 \ub098\ud0c0\ub0b8\ub2e4. \ub450 \ud2b8\ub79c\uc2a4\ucf54\ub354\ub294 \uc11c\ub85c \ub2e4\ub978 \ud504\ub85c\ud30c\uc77c\ub85c \ub3d9\uc791\ud558\uace0 \uc788\uc73c\ubbc0\ub85c, \uc2a4\ud2b8\ub9bc \ub370\uc774\ud130\uc758 \ud06c\uae30\uac00 \uac19\uc9c0 \uc54a\uc544\uc57c \ud55c\ub2e4.<\/dd>\n    <dt>\uc785\ub825 \ube44\ud2b8 \uc804\uc1a1\uc18d\ub3c4 \uadf8\ub798\ud504<\/dt>\n    <dd>CBR\uacfc VBR\uc740 \uc778\ucf54\ub529 \ubc29\uc2dd\uc774 \ub2e4\ub974\uae30 \ub54c\ubb38\uc5d0 \uadf8 \ud615\ud0dc\uac00 \uc11c\ub85c \ub2ec\ub77c\uc57c \ud55c\ub2e4.<\/dd>\n    <dt>\ub514\uba39\uc2a4 \ub370\uc774\ud130 \ud06c\uae30<\/dt>\n    <dd>VLC\uac00 \uc2a4\ud2b8\ub9bc\uc5d0\uc11c \uc7ac\uc0dd\uc5d0 \uc0ac\uc6a9\ud55c \ub370\uc774\ud130\uc758 \ud06c\uae30\ub85c, \uc5ed\uc2dc \ub450 \uc2a4\ud2b8\ub9bc\uc758 \ud06c\uae30\uac00 \uac19\uc9c0 \uc54a\uc544\uc57c \ud55c\ub2e4.<\/dd>\n<\/dl>\n\uadf8\ub9ac\uace0 \ub2f9\uc5f0\ud788, \uc800 3\uac00\uc9c0 \ud30c\ub77c\ubbf8\ud130\ub294 CBR\uacfc VBR \ubaa8\ub4dc \ubaa8\ub450 \ub3d9\uc77c\ud55c \uc218\uce58\ub97c \ub098\ud0c0\ub0b4 \uc8fc\uace0 \uc788\uc5c8\ub2e4. \uc774 \ub0b4\uc6a9\uc744 \uc815\ub9ac\ud574 \ucea1\ucc98\ud55c \ub3d9\uc601\uc0c1\uacfc \ud568\uaed8 \uc640\uc6b0\uc790\uc5d0 \ub2f5\uc7a5\uc744 \ubcf4\ub0c8\ub2e4.<\/p>\n<p>\ub610 \uba70\uce60\uc774 \ud750\ub974\uace0, \uc640\uc6b0\uc790\uc5d0\uc11c \uae30\ub2e4\ub9ac\ub358 \ub2f5\uc7a5\uc774 \uc654\ub2e4. \uadf8\ub9ac\uace0 \uadf8 \ub0b4\uc6a9\uc740 \ubcf8 \ud544\uc790\uac00 \uc678\uad6d \ud68c\uc0ac\uc640 \uc774\uc57c\uae30\ud558\uace0 \uc788\ub294 \uc911\uc784\uc744 \ub2e4\uc2dc \ud55c \ubc88 \uae68\ub2eb\uac8c \ud574 \uc8fc\uc5c8\ub2e4.\n<blockquote>&#8230;Wowza Streaming Engine\u2019s default behavior already uses VBR encoding. So, unless you&#8217;re explicitly changing it to a different mode (like CBR), VBR is the default behavior out-of-the-box&#8230;.<br>\ud655\uc778\ud574 \ubcf4\ub2c8\uae4c VBR \uba39\uc740\uac70 \ub9de\uace0, \uadf8\uac8c \uc6d0\ub798  \uae30\ubcf8\uac12\uc774\ub798. CBR\ub85c \uc2dc\ud5d8\ud574 \ubd10<\/blockquote>\n<\/section>\n\t<section id=\"WhatIsThis\">\n<h3>\uc88b\uc544, \uadf8\ub807\ub2e4\uba74 \uc774\uac74 \ubb50\uc57c?<\/h3>\n<p>\ud574\uc678 \uc5c5\uccb4\uc758 \uae30\uc220\uc9c0\uc6d0\uc740 \uad6d\ub0b4 \uc5c5\uccb4\uc640 \ub9ce\uc774 \ub2e4\ub974\ub2e4. (\ub2e4\ub9cc, \ud574\uc678\uc758 \ub300\uc751\uc774 \ub354 \uc0c1\uc2dd\uc801\uc778 \uac83\uc774\ub77c\ub294\uac74 \ub3d9\uc758\ud55c\ub2e4.) \uadf8\ub124\ub4e4\uc740 \uc0c1\uc2dd \uc218\uc900\uc758 \uae30\ubcf8\uc801\uc778 \uac83 \ubd80\ud130 \ud655\uc778\uc744 \uc2dc\uc791\ud55c\ub2e4. \uae30\ubcf8\uacfc \uc808\ucc28\uc5d0 \ub530\ub77c \ud655\uc778\ud558\ub294 \uac83\uc740 \ub2f9\uc5f0\ud55c \uc77c\uc774\uc9c0\ub9cc, \uac00\ub054 \uc774\ub807\uac8c \ubc99 \ucc0c\ub294 \ub290\ub08c\uc744 \ubc1b\ub294 \uac83\uc740 \uc5b4\uca54 \uc218 \uc5c6\ub2e4. (\ubcf8 \ud544\uc790\ub294 \uc7a5\ube44 \ub3d9\uc791\uc774 \uc548\ub41c\ub2e4\uace0 \ud558\ub2c8 &#8216;\uc811\uc9c0\ub294 \uc5f0\uacb0 \ud588\ub0d0?&#8217;\ub77c\uace0 \ubb3c\uc5b4\ubcf8 Thomson\uacfc\uc758 \uc804\ud654\ud1b5\ud654\uac00 \uc2ed\uc218\ub144\uc774 \uc9c0\ub09c \uc9c0\uae08\ub3c4 \uae30\uc5b5\uc5d0 \uc0dd\uc0dd\ud558\ub2e4.)<b>CBR\ub85c \ubc14\uafb8\ub294\uac70 \ub2f9\uc5f0\ud788 \uc9c4\uc791\uc5d0 \ud574 \ubd24\uc9c0, \uc548 \ud574\ubd24\uaca0\ub294\uac00 \ub9d0\uc774\ub2e4.<\/b><\/p>\n<p>\uadf8\ub7ec\ub2e4 \ubb38\ub4dd, <strong>\ubb54\uac00 \ube7c\uba39\uace0 \uc788\ub2e4<\/strong>\ub294 \uc0dd\uac01\uc744 \ud558\uac8c \ub418\uc5c8\ub2e4. \ubcf4\ud1b5 VBR\uc5d0\ub294 \ub530\ub77c\ub2e4\ub2c8\ub294 \ucd94\uac00\uc801\uc778 \uc635\uc158\ub4e4\uc774 \uc788\ub2e4. \ubcf4\ud1b5 \uc138 \uac00\uc9c0 \uc815\ub3c4\ub294 \ub530\ub77c \ubd99\ub294\ub370,\n<dl>\n    <dt>Max Bitrate<\/dt>\n    <dd>\uac00\ubcc0 \ube44\ud2b8\ub808\uc774\ud2b8 \ub3d9\uc791\uc2dc \ub118\uae30\uc9c0 \ub9d0\uc544\uc57c \ud558\ub294 \ucd5c\ub300 \uac12<\/dd>\n    <dt>Min Bitrate<\/dt>\n    <dd>\uac00\ubcc0 \ube44\ud2b8\ub808\uc774\ud2b8 \ub3d9\uc791\uc2dc \ub118\uae30\uc9c0 \ub9d0\uc544\uc57c \ud558\ub294 \ucd5c\uc18c \uac12<\/dd>\n    <dt>Q-Factor<\/dt>\n    <dd>\ud488\uc9c8 \uacc4\uc218, \uc720\uc9c0\ud558\uace0\uc790 \ud558\ub294 \ud654\uc9c8\uc758 \uc218\uc900<\/dd>\n<\/dl>\n\uc815\ub3c4\uac00 \uc788\ub2e4. \uadf8\ub7f0\ub370, <strong>\uc640\uc6b0\uc790 \uc124\uc815\uc5d0\uc11c \uc774\ub7ec\ud55c \uc124\uc815\uc744 \ubcf8 \uc801\uc774 \uc5c6\uc5c8\ub2e4.<\/strong><\/p>\n<p>\uc774 \uc138\uac00\uc9c0 \uc635\uc158\uc758 \uae30\ubcf8 \uac12\uc774\ub098 \uc870\uc815\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\uba74, VBR\uc774 \uae30\ubcf8\uc778 \ud2b8\ub79c\uc2a4\ucf54\ub354\uc5d0\uc11c CBR\uc744 \uad6c\ud604\ud560 \uc218 \uc788\uc744 \uac83\ub2e4. \uadf8\ub798\uc11c \uc640\uc6b0\uc790\uc5d0 CBR \uc124\uc815\uc740 \uc9c4\uc791\uc5d0 \ud574 \ubcf4\uc558\ub2e4\ub294 \ub9d0\uacfc \ud568\uaed8, \uc800 \uc138\uac00\uc9c0 \uac12\uc5d0 \ub300\ud55c \uc815\ubcf4\ub97c \ub2ec\ub77c\uace0 \uc694\uccad\ud558\ub294 \ub2f5\uc7a5\uc744 \ubcf4\ub0c8\ub2e4.<p>\n<p>\uadf8\ub9ac\uace0 \uc218 \uc77c\uc774 \uc9c0\ub098\uace0 \uc640\uc6b0\uc790\uc5d0\uc11c \ub294 \uc774\ub807\uac8c \ub2f5\uc7a5\uc744 \ubcf4\ub0b4\uc654\ub2e4.\n<blockquote>..I could replicate the issue you reported&#8230; &#8230;we currently do not have any documented&#8230;<br>..\uc5ec\uae30\uc11c \uc2e4\ud5d8\ud574 \ubcf4\ub2c8 \uc815\ub9d0 \ub2c8 \ub9d0\ub300\ub85c \uc548\ub41c\ub2e4.. ..\uc138\uac00\uc9c0 \uac12\uc5d0 \ub300\ud574\uc11c \uc815\ub9ac\ud574 \ub193\uc740\uac74 \uc544\uc9c1 \uc5c6\uc5b4..<\/blockquote>\n<strong>\uc774\uc81c \uc2dc\uc791\uc774\ub2e4!<\/strong>(\uadf8\ub7f0\ub370, \uadf8\ub7fc \uc774\uc81c\uae4c\uc9c0 \ubb58 \ud55c\uac70\ub0d0..)<\/p>\n<\/section>\n<\/section>\n<section id=\"ResultBigRock\">\n<h2>\uc0bd\uc9c8\uc758 \uacb0\uacfc\ub294 \ud070 \ubc14\uc704<\/h2>\n<section id=\"XcoderParms\">\n<h3>\ud2b8\ub79c\uc2a4\ucf54\ub354\uc758 \ucd94\uac00\uc801\uc778 \ud30c\ub77c\ubbf8\ud130 \uc815\ubcf4<\/h3>\n<p>\ub2e4\uc74c\ub0a0, \ud2b8\ub79c\uc2a4\ucf54\ub354\uc758 \uc0c1\uc138 \uc124\uc815\uc744 \uc704\ud55c \uba87 \uac00\uc9c0 \uc635\uc158\ub4e4\uc5d0 \ub300\ud55c \ub0b4\uc6a9\uc774 \ub2f4\uae34 \uba54\uc77c\uc774 \uc640\uc6b0\uc790\uc5d0\uc11c \ub3c4\ucc29\ud588\ub2e4. \uc774 \uba54\uc77c\uc5d0\ub294 \uad81\uae08\ud574\ud558\ub358 \n<ul><li><strong>Average bitrate<\/strong><\/li>\n<li><strong>Maximum bitrate<\/strong><\/li>\n<li><strong>Buffer Size<\/strong><\/li>\n<li><strong>Q Factor<\/strong> : I-frame, B-frame, P-frame \uc124\uc815<\/li><\/ul>\n\ub4e4\uc744 <a href=\"https:\/\/www.decteng.com\/ko\/wowza-transcoder-hidden-vbr-options\/\" title=\"\uc640\uc6b0\uc790 \uc2a4\ud2b8\ub9ac\ubc0d \uc5d4\uc9c4 \ud2b8\ub79c\uc2a4\ucf54\ub354\uc758 \uc228\uaca8\uc9c4 \uc635\uc158\">\uc5b4\ub5bb\uac8c \uc218\uc815\ud558\ub294\uc9c0\uc5d0 \ub300\ud574 \uc0c1\uc138\ud558\uac8c \uc801\ud600 \uc788\uc5c8\ub2e4.<\/a><\/p>\n<p>\uc774\ubc88\uc5d0\ub294 \ubb54\uac00 \uac74\uc9c8 \uac8c \uc788\uaca0\ub2e4\ub294 \uc0dd\uac01\uc774 \ub4e0 \ubcf8 \ud544\uc790\ub294, \uc2e0\ub098\uac8c \uc124\uc815\uc744 \uc801\uc6a9\ud574 \ubd24\uace0 \uacb0\uad6d \uc720\uc758\ubbf8\ud55c \ucc28\uc774\ub97c \ud655\uc778\ud558\ub294\ub370 \uc131\uacf5 \ud588\ub2e4.\n<figure class=\"wp-block-image aligncenter size-medium\"><a href=\"https:\/\/www.decteng.com\/ko\/wp-content\/uploads\/sites\/4\/2025\/07\/WowzaTranscoderOutDifference.webp\"><img decoding=\"async\" src=\"https:\/\/www.decteng.com\/ko\/wp-content\/uploads\/sites\/4\/2025\/07\/WowzaTranscoderOutDifference-400x216.webp\" alt=\"\ub450 \uc2a4\ud2b8\ub9bc\uc758 \ube44\ud2b8\ub808\uc774\ud2b8 \uadf8\ub798\ud504\uc640 \ub370\uc774\ud130 \ud06c\uae30\uc5d0 \ud655\uc5f0\ud55c \ucc28\uc774\uac00 \ubcf4\uc778\ub2e4.\" class=\"wp-image-806\" \/><\/a><figcaption class=\"wp-element-caption\">\ub450 \uc2a4\ud2b8\ub9bc \uac04\uc5d0 \ube44\ud2b8\ub808\uc774\ud2b8 \ucc28\uc774\uac00 \ud655\uc5f0\ud788 \ubcf4\uc778\ub2e4<\/figcaption><\/figure>\n<figure class=\"wp-block-image aligncenter size-medium\"><a href=\"https:\/\/www.decteng.com\/ko\/wp-content\/uploads\/sites\/4\/2025\/07\/WowzaTranscoderOutAlmostCBR.webp\"><img decoding=\"async\" src=\"https:\/\/www.decteng.com\/ko\/wp-content\/uploads\/sites\/4\/2025\/07\/WowzaTranscoderOutAlmostCBR-400x215.webp\" alt=\"\uc640\uc6b0\uc790 \ud2b8\ub79c\uc2a4\ucf54\ub354\uc5d0\uc11c \ucd9c\ub825\ub41c \uc2a4\ud2b8\ub9bc\uc758 \ube44\ud2b8\ub808\uc774\ud2b8 \ubcc0\ub3d9 \ud3ed\uc774 \uc904\uc5b4\ub4e4\uc5c8\ub2e4.\" class=\"wp-image-805\" \/><\/a><figcaption class=\"wp-element-caption\">\ube44\ud2b8\ub808\uc774\ud2b8 \ubcc0\ub3d9\ud3ed\uc774 \ud655\uc5f0\ud788 \uc904\uc5b4\ub4e4\uc5c8\ub2e4.<\/figcaption><\/figure><\/p>\n<\/section>\n<section id=\"MetBigRock\">\n<h3>\uacb0\uad6d \ub9cc\ub09c\uac83\uc740 \ucee4\ub2e4\ub780 \ubc14\uc704<\/h3>\n<p>\uadf8\ub807\ub2e4\uba74 \uc774 \uac12\ub4e4\uc758 \ucd08\uae30\uac12\uc774 \uc5bc\ub9c8\uc778\uc9c0 \uc54c\uba74, \uc640\uc6b0\uc790 \ud2b8\ub79c\uc2a4\ucf54\ub354\uc5d0\uc11c \ucd9c\ub825\ub418\ub294 \uc2a4\ud2b8\ub9bc\uc758 \ud2b9\uc131\uc744 \ud30c\uc545\ud558\uace0, \uae00\uc744 \uc791\uc131\ud558\ub294\ub370 \uc880 \ub354 \ub3c4\uc6c0\uc774 \ub420 \uac83\uc774\ub2e4. \ub2f9\uc5f0\ud788 \uc774\ub7ec\ud55c \ubb38\uc758\ub97c \uc640\uc6b0\uc790\ucabd\uc5d0 \uc804\ub2ec\ud588\uace0, \uba87\uc77c \ud6c4 \uc774\ub7ec\ud55c \ub0b4\uc6a9\uc758 \ub2f5\ubcc0\uc774 \ub3c4\ucc29\ud588\ub2e4.\n<blockquote>there are no internal defaults applied for these parameters they default to 0.<br>\uadf8\ub7f0\uac70 \uc5c6\uace0 0\uc774\uc57c<\/blockquote><\/p>\n<p>\uadf8\ub9ac\uace0 \ucd94\uac00\uc801\uc73c\ub85c \uc774\ub7f0 \ub0b4\uc6a9\uc774 \ud568\uaed8 \ub2f4\uaca8 \uc788\uc5c8\ub2e4.\n<blockquote>I checked with our Product Management team, and they confirmed that this is indeed a bug. I\u2019ve gone ahead and created a bug ticket for it in our internal system<br>\uc774\uac70 \ubc84\uadf8 \ub9de\uace0, \uc815\uc2dd\uc73c\ub85c \ubc84\uadf8 \ub4f1\ub85d \ud588\uc5b4.<\/blockquote>\n<p>\ub05d\uae4c\uc9c0 \uc0bd\uc9c8\uc744 \ud558\uba70 \uc5f4\uc2ec\ud788 \ub545\uc744 \ud30c \ubcf8 \uacb0\uacfc\ub294, <strong>\uc0bd\uc73c\ub85c\ub294 \ub354 \uc774\uc0c1 \ud314 \uc218 \uc5c6\ub294 \ucee4\ub2e4\ub780 \ubc14\uc704<\/strong>\uc600\ub2e4. \uc774 \ubc14\uc704\ub97c \uce58\uc6b8 \uc218 \uc788\ub294\uac74 \uc774\uc81c \uc640\uc6b0\uc790\uc758 \ubaab\uc73c\ub85c \ub0a8\uac8c \ub418\uc5c8\ub2e4.<\/p>\n\t<\/section>\n<\/section>\n<section id=\"Conclusion\">\n<h2>\ub9c8\ubb34\ub9ac\uc640 \uacb0\ub860<\/h2>\n<p>\ucd5c\ucd08\uc758 \uc9c8\ubb38\uc73c\ub85c \ubd80\ud130 \uc774\uc288 \ub4f1\ub85d\uae4c\uc9c0 \ud55c\ub2ec\uc774 \ub118\ub294 \uae30\uac04\uc774 \uac78\ub838\ub2e4. \ube44\ub85d \uc21c\uac04 \ub2f5\ub2f5\ud568\uc774 \uc788\uc744 \ub54c\ub3c4 \uc788\uc5c8\uc73c\ub098, \uae34 \uae30\uac04\ub3d9\uc548 \uc640\uc6b0\uc790\uc758 \ub2f4\ub2f9\uc790\ub294 \uc131\uc2e4\ud558\uac8c \ubcf8 \ud544\uc790\uc758 \uc774\uc288\uc5d0 \ub300\uc751\ud574 \uc8fc\uc5c8\ub2e4. (\uadf8\ub9ac\uace0 \ud604\uc7ac\ub3c4 \ub300\uc751 \uc911\uc774\uae30\ub3c4 \ud558\ub2e4.) \uc774\uc288\uc758 \uc5ec\ubd80\ub97c \ub5a0\ub098, \uc640\uc6b0\uc790\uc758 \uae30\uc220\uc9c0\uc6d0\uc740 \ub098\uc058\uc9c0 \uc54a\ub2e4\ub294\uac8c \ubcf8 \ud544\uc790\uc758 \uc0dd\uac01\uc774\ub2e4.<\/p>\n<p>\uc640\uc6b0\uc790\ub294 \uc624\ub79c \uae30\uac04\ub3d9\uc548 \ud604\uc5c5\uc5d0\uc11c \uc0ac\uc6a9\ub418\uc5b4 \uc628 \ud504\ub85c\uadf8\ub7a8\uc774\ub2e4. \uadf8 \uae30\ub2a5\uacfc \uc548\uc815\uc131\uc5d0 \ub300\ud574\uc11c\ub294 \uae34 \uae30\uac04\ub3d9\uc548 \ucda9\ubd84\ud788 \uac80\uc99d \ub418\uc5c8\uc73c\uba70 \uc774\uc5d0 \ub300\ud574\uc11c \uc808\ub300\ub85c \uc774\uacac\uc774 \uc5c6\ub294 \ubc14\uc774\ub2e4. \ud558\uc9c0\ub9cc \ubcf8 \ud544\uc790\ub294, <strong>\uc640\uc6b0\uc790\ub294 \uae30\ubcf8\uc801\uc73c\ub85c \uc624\ub9ac\uc9c4 \uc11c\ubc84<\/strong>\ub77c\uace0 \uc0dd\uac01\ud55c\ub2e4. \uc778\ucf54\ub529\/\ud2b8\ub79c\uc2a4\ucf54\ub529\uc740 \uc678\ubd80\uc5d0 \uc874\uc7ac\ud558\ub294 \ubcc4\ub3c4\uc758 \uc7a5\ube44\uc5d0\uc11c \uc9c4\ud589\ud558\uace0, \uc640\uc6b0\uc790\ub294 \ud504\ub85c\ud1a0\ucf5c\uc758 \ubcc0\ud658\uacfc \ubd84\ubc30\uc5d0\ub9cc \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \ub354 \uc88b\uc744 \uac83\uc774\ub77c\uace0 \ubcf8 \ud544\uc790\ub294 \uc0dd\uac01\ud55c\ub2e4.<\/p>\n<p>\ub610\ud55c, <strong>\uc774 \uc774\uc288\uac00 \uc640\uc6b0\uc790 \ud2b8\ub79c\uc2a4\ucf54\ub354\ub97c \ud604\uc5c5\uc5d0\uc11c \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \ubd88\uac00\ub2a5 \ud558\ub2e4\ub294 \uac83\uc774 \uc544\ub2d8\uc744 \uae30\uc5b5\ud574 \uc8fc\uae30 \ubc14\ub780\ub2e4.<\/strong> \uc9c0\uae08\ub3c4 \uc218\ub9ce\uc740 \uc2a4\ud2b8\ub9bc\ub4e4\uc774 \uc640\uc6b0\uc790 \ud2b8\ub79c\uc2a4\ucf54\ub354\ub97c \uc0ac\uc6a9\ud574 \uc1a1\ucd9c\ub418\uace0 \uc788\uc73c\uba70, OTT\uc758 \uc138\uacc4\uc5d0\uc11c CBR\uc740 \uc0ac\uc2e4 \uc0ac\uc6a9\ub418\ub294 \uacf3\uc774 \ud55c\uc815\ub418\uc5b4 \uc788\uae30 \ub54c\ubb38\uc774\ub2e4. \uc0ac\uc2e4, \ubcf8 \ud544\uc790\ub3c4 \ube14\ub85c\uadf8\ub97c \uc791\uc131\ud558\uae30 \uc704\ud574 \ud30c\uace0 \ub4e4\uc9c0 \uc54a\uc558\ub354\ub77c\uba74, \uc9c0\uae08\uae4c\uc9c0 \uadf8\ub7ac\ub358 \uac83 \ucc98\ub7fc \ubaa8\ub974\uace0 \uc798\ub9cc \uc37c\uc744 \uac83\uc774\ub2e4.<\/p>\n<p>\uc774 \uc774\uc288\uac00 \uacf5\uc2dd\uc801\uc73c\ub85c \ubc84\uadf8\uc778\uac83\uc774 \uc778\uc815 \ub418\uc5c8\uace0 \ubc84\uadf8 \ubaa9\ub85d(ENG-2346)\uc5d0 \uc62c\ub790\uc73c\ub2c8, \uc774 \ub2e4\uc74c \uc808\ucc28\ub294 \uc640\uc6b0\uc790\uac00 \ucc98\ub9ac\ud574\uc57c \ud560 \ub0b4\uc6a9\uc774\ub2e4. \ubcf8 \ud544\uc790\ub294 \uc640\uc6b0\uc790 \uc720\uc800\uc758 \ud55c \uc0ac\ub78c\uc73c\ub85c\uc11c, \uc0ac\uc6a9\ud558\ub294 \ud504\ub85c\uadf8\ub7a8\uc774 \ub354 \uac1c\uc120\ub418\ub294\ub370 \ud55c \uc21f\uac00\ub77d \uc5b9\uc744 \uc218 \uc788\uc5c8\ub2e4\ub294 \uac83\uacfc, \uc880 \ub354 \uae4a\uc219\ud55c \uc9c0\uc2dd\uc744 \uc5bb\uc744 \uc218 \uc788\uc5c8\ub358 \uac83, \uadf8\ub9ac\uace0 \ubcf8 \ud544\uc790\uc640 \uac19\uc740 \ubb38\uc81c\ub85c \uc0dd\uac01\uacfc \uc2dc\uac04\uc744 \ub0ad\ube44\ud558\uc2e4 \ubd84\ub4e4\uaed8 \uc791\uc740 \ucc38\uace0\uac00 \ub420 \ub9cc\ud55c \uae00 \ud558\ub098 \uc4f4 \uac83\uc73c\ub85c \ucda9\ubd84\ud558\ub2e4 \uc0dd\uac01\ud55c\ub2e4.<\/p>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>\uc640\uc6b0\uc790 \uc2a4\ud2b8\ub9ac\ubc0d \uc5d4\uc9c4 \ud2b8\ub79c\uc2a4\ucf54\ub354 CBR \ubaa8\ub4dc\uc758 \ubc84\uadf8\ub97c \ucc3e\uc544 \uacf5\uc2dd \uc774\uc288 \ubaa9\ub85d(ENG-2346)\uc5d0 \uc62c\ub9ac\uae30\uae4c\uc9c0\uc758 1\uac1c\uc6d4\uac04\uc758 \uae30\ub85d\uacfc, \uc640\uc6b0\uc790\uc5d0\uc11c \uacf5\uac1c\ud558\uc9c0 \uc54a\uace0\uc788\ub358 \uc218\uc815 \uac00\ub2a5\ud55c VBR \ucd94\uac00 \uc635\uc158\ub4e4\uc5d0 \ub300\ud574 \uc124\uba85\ud55c\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":1014,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[22,11,65,9,10],"class_list":{"0":"post-807","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-ott","8":"tag-experience","9":"tag-techanical-support","10":"tag-bug-report","11":"tag-wowzastreamingengine","12":"tag-transcoding","13":"content-layout-excerpt-thumb"},"_links":{"self":[{"href":"https:\/\/www.decteng.com\/ko\/wp-json\/wp\/v2\/posts\/807","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.decteng.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.decteng.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.decteng.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.decteng.com\/ko\/wp-json\/wp\/v2\/comments?post=807"}],"version-history":[{"count":3,"href":"https:\/\/www.decteng.com\/ko\/wp-json\/wp\/v2\/posts\/807\/revisions"}],"predecessor-version":[{"id":1060,"href":"https:\/\/www.decteng.com\/ko\/wp-json\/wp\/v2\/posts\/807\/revisions\/1060"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.decteng.com\/ko\/wp-json\/wp\/v2\/media\/1014"}],"wp:attachment":[{"href":"https:\/\/www.decteng.com\/ko\/wp-json\/wp\/v2\/media?parent=807"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.decteng.com\/ko\/wp-json\/wp\/v2\/categories?post=807"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.decteng.com\/ko\/wp-json\/wp\/v2\/tags?post=807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}