So, you’ve downloaded a cool flash video from YouTube, and you want to insert it into your PowerPoint slide show. However, Microsoft PowerPoint gives you this error message: “PowerPoint cannot insert a movie from the selected file. Verify that the path and file format are correct, and then try again.”

How to convert videos and movies so that it can be played on your PSP.

1. Download MediaCoder. MediaCoder is a great free open source audio/video batch transcoder for Windows.

2. Install and run MediaCoder.

3. Go to Extensions > Game Consoles > PSP (1). Click Yes if you are asked to revert all settings to default value.

Most of today's modern mobile phones have the ability to play MP4 video files. The hard part is to encode the video while maintaining the compatibility and optimising the video file for mobile phone playback. While video in 3GP container can be encoded using advanced codec (AVC/H.264 for example) and HE-AAC for audio, most of the 3GP files are encoded using H.263 for video and AMR-NB or AMR-WB for audio which is not very great compared with XViD and AAC in MP4.

This method will allow you to convert .flv video (flash) to mp3. In fact, this method can be use to convert almost any video (avi, wmv, mpg, rm, mp4, mkv, etc) to mp3. We will do it the easy, free and open source way.