youtube和xuite的畫質比較 - Google

By Hamiltion
at 2011-03-06T21:16
at 2011-03-06T21:16
Table of Contents
youtube很佛心,這一點不用懷疑 XD
最近裝了.NET Framework 4,
想要看看很有名的東方影繪螢幕保護程式實際跑起來的感覺是怎樣?
還有試試微軟免費的擷取/轉檔軟體Expression Encoder 4 sp1是不是很好用?
先講免費版的Expression Encoder 4 sp1,
雖然錄影有10分鐘的限制,
但是不會加上浮水印或是降低畫質的舉動,這是很棒的行為。
因為免費版只能輸出wmv、wma格式,所以推薦在擷取的時候,
把視訊和音訊的品質調高,然後不要用Expression Encoder轉檔,
而是直接輸出source音訊得出wma檔。
這樣子megui就可以使用x264編碼器把.xesc轉成h.264視訊,
和使用neroaac編碼器把.wma轉成AAC音訊。
把視訊和音訊合併為.mp4的話,
就可以放在xuite影音網站上而不會被二次轉檔了。
youtube 1080p 和 xuite影音網站 的品質比較,誰比較好?
上傳到youtube的原始檔,視訊bitrate為5800kbps。
http://www.youtube.com/watch?v=IwY8Ap5CwuE
vs.
上傳到xuite的原始檔,視訊bitrate為3800kbps。
http://vlog.xuite.net/play/a1ZjQnZULTM0NDI1NjUubXA0
以畫質來說,xuite是超越了youtube沒錯,
但是xuite單一影片長度有10分鐘限制,而且單一檔案大小不能超過300MB。
而且xuite開放給使用者的儲存空間也是有限的 orz...
二個網站影片播放的直接比較圖↓
http://photo.xuite.net/k8system/802669/22.jpg/sizes/o/
xuite的優點,
就是讓我知道原來台灣也有像樣的影音網站 QQ
畫質好、速度快。
本來對國內的影音網站只停留在無名小站、I'm TV、yam之流的水準而沒有期待。
之所以會想用螢幕擷取軟體,
是想說可以把自己操作windows所發生的問題,實際錄成影片給人觀看,
這樣別人可以很直覺的看到:錯誤訊息長什麼樣子?
問題是即使畫質達到youtube 1080p,錄出來的影片的「字體」還是很模糊。
看來只能把LCD解析度調低並且放大字體,
這樣子錄出來的求救影片才會容易觀看吧…?
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