Re: [閒聊] 被生火成功想買GH4了~~
http://vimeo.com/93500786
GH4 vs BMPCC vs 5D3
5D3的1080P錄影....bj4
※ 引述《outrunner (ot)》之銘言:
: ※ 引述《s8974135620 (果汁( –口–)/)》之銘言:
: : 推 pfat123:eoshd好像有人丟程式讓4k4 2 0轉成1080p 4 2 2
: 是444, 而且Y'是10bit.
: 因為4K 420 = 4K 8bit Y' + 2K 8it Cb + 2K 8bit Cr
: : 那只是像素合併採樣而已
: : 和真正的4:2:2還是有差距
: 這是說GH4錄製1080p的時候採用pixel mixture, 好處就不提了免得模糊焦點.
: 壓出來當然還是420的1080p.
: 而pfat123是在說4K轉2K.
: 但如果只是為了在2K的螢幕上看2K 444,
: 直接播放4K 420影片就會有同樣效果.
: : → fish880731:http://ppt.cc/D3dR 4K能幹嘛,後製的方便性大增! 05/23 20:59
: : → pussycat2009:4K後製空間大是重點: 裁切,pan&zoom, 穩定器... 05/23 21:54
: 軟體穩定是一大重點.
: 我4K大概就玩兩個, 一是截圖, 二是2K 444外帶軟體穩定.
: 不過轉2K 444就如前段所言毫無意義, 上傳Youtube也看不出來.
: 軟體穩定的話可參考: http://youtu.be/uP5lhf0CeEk
: 原始影片: (手持20mm) http://youtu.be/zZCVApHQsrk
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