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常常看許多線上的下載的影片檔,尤其是盜版電影,時間長度可能長達兩個小時,但檔案容量卻神奇的小,怎麼辦到的? 要達到以上的這個目標,有幾個關鍵,一個就是編碼器的種類,比如從前的DivX、mpeg-2…以至於到現普遍的H.264以至於到H.265等等,再來就是位元流量(bitrate),數值越高對於影片 阅读全文
摘要:
DMKAlex wrote: Vesku wrote: DMKAlex wrote: Can someone explain this please? Thanks. CBR = constant bitrate VBR = variable bitrate (more bitrate when l 阅读全文
摘要:
Windows Media Audio Professional (WMA Pro) is an improved lossy codec closely related to WMA standard. It retains most of the same general coding feat 阅读全文