inserting audio in an track [SOLVED]

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inserting audio in an track [SOLVED]

Permanent link to this post Posted by Largo » Tue Oct 24, 2017 10:51 pm

Hello,

I have a movie in both rated and unrated version.
The unrated version has only English audio (dtshdma 5.1)
The rated version has only French audio (dtshdma 5.1)
something like (x,y is the common audio, A is what is missing):

English: xxxxxxxAAAAyyyyyyy
French: xxxxxxxyyyyyyy

The idea would be to copy AAAA from English track and paste it in the French track between x and y
"luckily", x A and y are not dialogs, just music and street noise.

I can imagine that this must hell but I'm curious to see if that is possible and if it's as complicated as I imagine it is.

Currently both track are loaded as project in Audacity.
thanks
Largo
 
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Re: inserting audio in an track

Permanent link to this post Posted by steve » Tue Oct 24, 2017 10:58 pm

You will need to use a video editor to put the audio back into the video, so perhaps it would be easier to do the whole job in your video editor. Most video editors support simple cut / paste type editing.
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Re: inserting audio in an track

Permanent link to this post Posted by Largo » Wed Oct 25, 2017 7:07 pm

Hi,

thanks for the reply.
My plan was just to remux the modified French audio into the unrated video.
I want to keep the video intact, I only need to insert what missing in the French audio track
Largo
 
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Operating System: Windows 10

Re: inserting audio in an track

Permanent link to this post Posted by steve » Wed Oct 25, 2017 8:39 pm

If you have the sound tracks for both versions of the video, you can import them both into the same Audacity project, then use the "Envelope" feature to silence the parts that you don't want. http://manual.audacityteam.org/man/envelope_tool.html
Start off by dragging the envelope down to silence on one track, and the envelope at the top of the other track, then add control points (drag the envelope with the envelope tool) to silence / unsilence parts as required.

Here's a mockup of what it might look like:

tracks001.png
tracks001.png (40.82 KiB) Viewed 158 times


When you export the project to create a new audio file, the tracks will be mixed together to create one file.
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Re: inserting audio in an track

Permanent link to this post Posted by Largo » Mon Oct 30, 2017 8:52 pm

thanks, i tried with small files and it worked.
I'll need a to do it on a beefier PC for the full length audio files, though. My laptop is just too slow for that.
Largo
 
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Operating System: Windows 10

Re: inserting audio in an track

Permanent link to this post Posted by Largo » Tue Nov 14, 2017 10:04 pm

Hi steve,

I finally got my hands on a powerful PC and added several segments from the English soundtrack into the French soundtrack.
Took me about 12 hours to get it done, half of that just to get by audacity GUI. It's not that easy to work with waveforms.

then I exported everything back into a ac3 5.1 file and the result is just perfect.

thanks again!
Largo
 
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Re: inserting audio in an track [SOLVED]

Permanent link to this post Posted by steve » Wed Nov 15, 2017 1:00 am

Congratulations. I'm glad to hear that it worked out for you :)

I'll mark this topic as 'solved'.
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