Deleteing audio from MP4 or MPG

[cottage]

I have a number of short MPG files that contain audio that I'd like to remove.

The MPGs are already second generation SD camcorder videos and I don't want to lose any more quality. I intend to convert them to MP4s to post on my web site.


Therefore, I'd like to remove the audio without re encoding and I'd prefer a freeware program since I only have a small number of times I want to use the program.


I've goggled and searched this forum and have yet to find the perfect solution. I've installed and used a number of programs but none of them has done the job without a significant loss in video quality and I'm getting a little frustrated. Therefore, my question.....


Based on my latest search, I think that ffmpeg might do the trick but I'm a little intimidated by the command line interface. I see that there is a GUI front end called Avanti but it is not obvious to me that the pairing of these two programs will do what I want.

In any case, I downloaded both and installed them as per instructions. I'm using Win 8 64 bit Pro and as per (the Win 7) instructions, I moved the Avanti and ffmpeg directories to the "Program Files (x86) directory and moved the ffmpeg.exe and ffplay.exe files to the Avanti\ffmpeg directory then started Avanti. I got an error message "Avanti seems to have limited Disk I/O permission and cannot continue startup initialization" (as per the Win 7 instructions, I used the 32 bit static version of ffmpeg)

Therefore, what did I do wrong and if I correct it, will ffmpeg & Avanti remove the audio from either my MPG or converted MP4 file without re encoding?


If not, is there another option?

[hech54]

AviDemux
Audio - Main Track - NONE


Video - COPY
Format - MPEG Video

Save as: - "your title".mpg

[cottage]

Wow! Thank you for an amazingly fast reply! You replied before I had finished editing my original question to provide more detail.

I installed AviDemux and it worked like a charm on my MPG file. I got unusable output when I tried to remove the audio from my MP4 (previously re encoded from the MPG). No matter, it just a workflow issue. I can remove sound from the MPGs then re encode to MP4.


Thank you again. You are a star!!!!!