How do I edit/dub audio?

therat

New member
I have a dvd that i want to edit/dub or "sanitise" the audio so that it is suitable for my kids.

I demuxed the VOB file and now have seperate audio and video files. What I need to know now is what program do i need to run the audio track through and how do I dub certain words so that the audio won't go out of sync.

thanks

cheers
 

therat

New member
Thanks Pat but I was hoping not to edit the mpeg2 stream but rather just dub or mute the audio when the offensive words occur. Similar to when on a TV show you hear a *bleep* sound instead of swearing.

That way the video remains intact and the audio remains in sync.

I'm sure it's easily done, just a matter of finding a program to do it. maybe soundforge or similar?

cheers
 

phd

Super Moderator
Does the authoring program you are using support import of elementary streams? If so, demuxing and editing the audio is feasible. Otherwise, you'll have to demux, edit the audio, then remux the file. It can get pretty messy.
 

therat

New member
well depending on what I want to do i use ifoedit, dvdauthor, dvdlabpro or nerovision to author my dvds.

I was planning to demux the exiswting VOBs into elementary streams and then run the audio though some program that will allow me to dub it without affecting it in any way so that when I remux it, the resulting file will be in sync.

Just need to find what program I can use that will allow me to mute or blank out the words i want.

cheers
 

phd

Super Moderator
I should have mentioned regarding editing the audio, I was referring to editing the volume level not cutting segments. If you cut, the audio and video segments would be different lengths and you would have a sync problem. when remuxing or authoring.
 

therat

New member
phd said:
I should have mentioned regarding editing the audio, I was referring to editing the volume level not cutting segments. If you cut, the audio and video segments would be different lengths and you would have a sync problem. when remuxing or authoring.
yes that's right which is why I am trying to find a program that will let me actually replace certain sections with either silence or a low beep eg mute it out, rather than actually cut the audio.

Once i start cutting the audio then it's a bit like playing with fire.

cheers
 

bitter_old_man

New member
yes that's right which is why I am trying to find a program that will let me actually replace certain sections with either silence or a low beep eg mute it out, rather than actually cut the audio.
You can do this with an audio editor such as Audacity (It's free. http://audacity.sourceforge.net/ ). Demux the audio, select the area of interest, then Edit-->Silence.

The real problem is the audio format conversions that may be necessary before and after the edits. For example, if the original audio was AC3, you'd have to convert it wave, open in Audacity, edit, save as wave, then possibly convert back to AC3.

Barry
 

BaysideBas

New member
And to do it right complicates things even more. If you opt on silence rather than a bleep, then you should insert "room tone" in the gap or it will sound as if there was a failure in the audio on playback. You can select a small portion of the audio track in the scene that has no dialog or obvious background sounds and use that to fill in the blank.
 

therat

New member
Many thanks for that input guys. I'm starting to think that just using VRDP to actually out the ofending pieces of th DVD might just be a whole lot easier, still I have plenty of 6ime on my hand so i might give it a go and find out :)

cheers
 
Top Bottom