Posted: Fri 16 May 2003, 5:39 Post subject: Replacing audio
First off, thank you very much for your wonderful guide...it's already helped me immensely.
I had a question about importing audio. I have some music videos that I'd like to burn onto DVD. I am not happy with the audio that they came with (but very happy with the video). If I rip the audio from the original cd into my PC, is there a way of replacing the original audio with the CD version? I know i may have to tinker with syncing the two up but I'm wondering what the best program would be.
Joined: 04 Feb 2003 Posts: 587 Location: Lisboa, Portugal
Posted: Fri 16 May 2003, 16:44 Post subject:
Quite often, the audio used in the video clip is very different from the audio used in the CD, so you may need to do a lot of re-synching indeed. Depends on the clip, of course (if you never see the guy singing, who cares if it's 1/2 a second off?).
Anyway, I would recommend the following:
Rip the audio from the CD to a WAV (44.1 KHz, 16 bits, stereo).
Load the WAV file into a good sound editing program and convert it from 44.1 KHz (the CD sample rate) to 48 KHz (the DVD sample rate).
Load the 48 KHz WAV file and the video into an editing program (ex., Premiere, Media Studio, etc.) and do any cuts that you think are necessary to keep them more or less in sync. If you cut the audio, remember to export the new version.
Export the video from your editing program to MPEG (ex., using a frameserver, as described here).
Optionally compress the WAV file into AC3, MPA or DTS.
Load both files into your DVD authoring program, link them, and make the DVD.
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