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Old 12-13-2019, 08:38 PM   #1
Liquid Fusion
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Default Need to export Video + Rendered Audio as MP4

Hi. Opened a public access TV Show MP4 video in Reaper. Cleaned / mastered audio. Need to export rendered audio + video (separate songs) to later open in Vegas Pro 15. How do I do this? Need high quality. Thanks!

Found Page 391 Reaper Manual

Reaper need Mp4 render codec - Video (ffmpeg.libav encoeder) wants to render to mov

Found this - https://forum.cockos.com/showthread....t+video+as+mp4

Last edited by Liquid Fusion; 12-13-2019 at 09:15 PM.
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Old 12-15-2019, 05:31 AM   #2
sveinpetter
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Why do you have to render the video in Reaper? In the past there have been a few threads about how to replace audio in video outside of Reaper.
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Old 12-16-2019, 12:34 AM   #3
Liquid Fusion
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Quote:
Originally Posted by sveinpetter View Post
Why do you have to render the video in Reaper? In the past there have been a few threads about how to replace audio in video outside of Reaper.
Found Your Posts!!!
https://forum.cockos.com/showthread....side+of+Reaper
https://digitalfortress.tech/tricks/...s-with-ffmpeg/

This is what I do by hand in Vegas Pro 15 and the result is A+++
- Line up new Reaper Mastered audio to original audio by waveform / video inspection lip sync
- Mute old audio
- Switch audio track positions
- Delete old / original audio

Advantage - can still adjust length of video / audio and make fades accordingly - can't do this with "Encode Videos with FFmpeg." BTW - Rendering Reaper video with new audio is not very good sound quality / video sync.

Last edited by Liquid Fusion; 12-16-2019 at 12:48 AM.
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Old 12-16-2019, 08:43 AM   #4
sveinpetter
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There are some users on the forum that know alot about Reaper and video.
Read the first post in this only Sticky post in Reaper for Video
https://forum.cockos.com/showthread.php?t=82459
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