FM補幀有辦法轉出檔案嗎? - 顯卡

By Ula
at 2016-10-09T04:04
at 2016-10-09T04:04
Table of Contents
先提兩點
1.
有稍微玩過影片轉檔的應該都會有遇過,影片每轉檔(壓縮)過一次,畫質就會劣化
假如你轉完的檔案解析度不變甚至更大
沒有把位元率拉成片源的幾倍的話,那個畫面劣化會很明顯
(當然這一部分也要看你用的編碼軟體,像MEGUI的轉換效率就很好)
2.
就我半夜不睡覺測試兩個多小時的感想來看
A's Video Converter的轉換畫質&位元率控制應該是沒有MEGUI那麼神QQ
不排除是我拿來測試的片源不夠好,我用的是網路上人家發的高清生肉(720P)
在轉成同樣720P並且有用FM提升成60FPS的情形下
沒有把位元率拉成片源的4~5倍的話,雖然靜態場景沒問題,但一旦畫面高速變換就會
劣化破功,甚至畫質在5倍位元率時於某些高速場景還是會有些微劣化
所以shana你假如有解析度夠大、夠清楚的片源的話
還是可以考慮縮小解析度同時並取一下大約一般影片的2~3倍位元率來壓制看看
雖然檔案一樣會肥大就是了
(有時候我真的很好奇某些字幕組是怎麼把一集23分的動畫,用h.264壓成只有1xx mb
同時卻又保有相當良好的畫質)
結論: 要使用FM還是買張A卡最方便,可以保持片源苗條,畫質也零劣化 (誤
--
1.
有稍微玩過影片轉檔的應該都會有遇過,影片每轉檔(壓縮)過一次,畫質就會劣化
假如你轉完的檔案解析度不變甚至更大
沒有把位元率拉成片源的幾倍的話,那個畫面劣化會很明顯
(當然這一部分也要看你用的編碼軟體,像MEGUI的轉換效率就很好)
2.
就我半夜不睡覺測試兩個多小時的感想來看
A's Video Converter的轉換畫質&位元率控制應該是沒有MEGUI那麼神QQ
不排除是我拿來測試的片源不夠好,我用的是網路上人家發的高清生肉(720P)
在轉成同樣720P並且有用FM提升成60FPS的情形下
沒有把位元率拉成片源的4~5倍的話,雖然靜態場景沒問題,但一旦畫面高速變換就會
劣化破功,甚至畫質在5倍位元率時於某些高速場景還是會有些微劣化
所以shana你假如有解析度夠大、夠清楚的片源的話
還是可以考慮縮小解析度同時並取一下大約一般影片的2~3倍位元率來壓制看看
雖然檔案一樣會肥大就是了
(有時候我真的很好奇某些字幕組是怎麼把一集23分的動畫,用h.264壓成只有1xx mb
同時卻又保有相當良好的畫質)
結論: 要使用FM還是買張A卡最方便,可以保持片源苗條,畫質也零劣化 (誤
--
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