View Full Version : Help removing background noise from a .mov file.

01-10-2012, 01:45 PM
Hello nice people of RPS,
I was wondering if someone has any good ideas on this:

I have a .mov video file which is an interview. However it was filmed in a cafe, which was noisy so you cannot hear clearly what the interviewee is saying. I need to somehow remove (or significantly lower) the background noise so you can hear what the person is saying. If it is of any help, the background noise consists of people talking, some machine noise (coffee?) and of course the music of the cafe. I have Win XP at work and Win7/Ubuntu at home.

Googling around I found some tutorial for audacity, which I will try today but it seems it is not so successful. I have no experience with those things but am willing to work if someone points me to the right direction.
Any help would be appreciated!

edit: Hmmm maybe not, seems audacity is only for audio files.

01-10-2012, 02:05 PM
so... audacity:
Extract the audio from the .mov using VLC (http://en.kioskea.net/faq/1266-extracting-the-sound-from-a-video-with-vlc)
Edit audio file in audacity (adjusting the range to keep dialogue levels would be my guess)
Use Adobe Premiere to merge mp3 and move files. Only $599.

Just kidding! You can use VirtualDub to merge mp3 and mov files together. It's free but there's a catch: you need to follow yet another guide to get .mov support running in virtualdub. (http://forums.steves-digicams.com/editors-photoshop-vegas-final-cut-pro-kdenlive-etc/172321-importing-mov-1080p-720p-hd-videos-eg-kodak-zi8-directly-virtualdub.html)

Good luck!

01-10-2012, 03:16 PM
thanks! Will give it a shot.

01-10-2012, 04:15 PM
Cleaning up audio is more an art than a science. CSI's "image enhancement" has caused a lot of confusion.