Video Cropping for 5 Videos

I would like you to crop 5 videos in a way I will describe. The videos are 2-12 minutes long. Those videos are Video [login to view URL], Video [login to view URL], Video [login to view URL], Video [login to view URL], and Video 22.avi. For each of those 5 videos (each a "Given Video") do the following: (1) Open Assn Video.wmv. It is a 5 minute video. There are 5 segments in Assn [login to view URL] for which the video is entirely black. We will call these "Black Segments." The first Black Segment corresponds to Video [login to view URL], the second to Video [login to view URL], and so on. (2) We will call the Black Segment that corresponds to the Given Video the "Video Clip." (3) When you find the Video Clip corresponding to the Given Video, listen to the audio of the Video Clip. We will call this audio the "Audio Clip." Note that the Audio Clip is taken from within the Given Video. (4) Crop the Given Video such that its audio begins exactly where the audio of the Audio Clip begins and the Given Video's audio ends exactly where the audio of the Audio Clip ends. You must be precise within half a second. Note that the Given Video is comprised of a number of repetitions of the same few sentences of text; therefore, you will need to listen very carefully to identify audio within the Given Video that matches EXACTLY the audio of the Audio Clip. The purpose of this is that I will replace the Black Segments with the cropped video that you produce. I will share the videos with you using dropbox. They are 1.5 GB total. We will need to share a dropbox folder. You can ignore blank doc.zip. It is empty.