Significant increase of bit rate on video merge

[Imanuel]

Hello. Question for experts : Why is it that when I unite/combine two video with a similar bit rate and use default bit rate  on VideoPad the resulting video is always obtained with a much larger bit rate, sometimes multiplication or more? So with one video 1000 kbps and second 1200 kbps the result can be 2000 kbps, 3000kbps or more. Of course, this affects the size of the consequential file which becomes much larger than both video combined. Some clue? Thanks. Imanuel

[borate]

Combined a 639 bitrate WMV with a 1631 AVI here at the default export quality setting.  The result:  514Kbps.

Try various quality settings or even a different compressor, such as MPEG4. 

[Imanuel]

No,no, I don't ask for action yet. I have no idea if it is good or bad.  The file size is not so important for me, I just want to know if I have quality benefit or just "inflate" video.

[borate]

That's probably subjective, and may depend upon the how the export is viewed.

If you see no difference, try a lower quality setting, which should result in a smaller file size.

Resolution, too, affects size.  IMO, folks tend to be oversold on very high res video, when lower would look nice on the device being used to display it.

[Imanuel]

OK. One last question. If I increase data rate in a given video, will its quality improve?

[borate]

Check this out.

[Imanuel]

Thanks, Borate. I really feel a bit of an idiot. I could search and find it myself. I must have become addicted to you. Good luck with your work. You've always done it great. 

Imanuel