mencoder is a tool which can process video files. Sometimes, we just need the sound of a video, but we may only have a video file. At this time, we can use the mencoder to extract the audio file from the video file.
In this post, I will show you how to extract audio files from video files on Ubuntu Linux.继续阅读“Extract audio file from video file on Ubuntu”
After being involved in an accident, you were looked after by Mr. Zhao. Write an email to express your thanks.继续阅读“英语二小作文写作练习”