Adjust volume of various files - ConvertXToDVD compressor didn't help.

[Beli]

Hello there.
I have a lot of files here and I'd like to burn them all in a single DVD. They are all lectures and the volume varies a lot since they were recorder from different distances and in different places (no mic).
I've tried the ConvertXToDVD program as some people recommended it here for the same problem, but it doesn't seem to help, as it seems to 'normalize' the audio in the videos, not normalize the volume of the video files, for example, in a file that was very low, the volume goes crazy, if it's silent for some seconds, the app seems to crank the volume up and you begin to hear street sounds, and when the lecturer speak again the sound is horribly loud and begin decreasing as he speaks, so, I suppose what CXToDVD does is simply increase the volume when there's no sound and decrease when there's a lot of sound, but it takes some time because the transition is smooth so the final result is very choppy and it's not what I want.
What I want is simply to be able to manually adjust the volume for each file, I don't want normalizations or something.
So, is there a way to do that? The files are in avchd and some in xvid.
Thanks in advance.

[videobruger]

If what you want is a video DVD DVDStyler has an option for adjusting audio volume

[Beli]

Thanks for the recommendation. That software seems very good.
ConvertXToDVD is also very good imho, it's a pity though it lacks such a basic feature.
Also, do you have any idea if the volume value is consistent with video players, so for example I can use VLC to 'level' them and use the same values in that software?
Thanks.

[hello_hello]

I think VLC's level function just turns the volume up and down too, although I don't use it myself. The best method for levelling the volume of various files would probably be to use RelayGain to determine how loud they sound on average, then use the ReplayGain result to adjust the volume of each accordingly.

How much work is involved would probably depend on the type of files you're using a source files as you'd probably need to extract the audio from each manually, convert it to a format such as AC3 while using ReplayGain to adjust the volume (or convert it to a lossless format if ConvertXToDVD always re-encodes the audio). Then you could replace the original audio with the new version and use the new files as the source for ConvertXToDVD while telling it not to adjust the volume at all.

Foobar2000 will run a RelayGain analysis and then use the info to re-encode the audio, but how you'd extract and replace the audio in the original files would depend on the type of files you're working with.