1
0

Delete article

Deleted articles cannot be recovered.

Draft of this article would be also deleted.

Are you sure you want to delete this article?

More than 5 years have passed since last update.

複数音声のmp4ファイルの音声の音ズレを個別に調整する

Posted at

複数言語の音声が入ったMP4の動画の音ズレを修正する方法。

.sh
ffmpeg.exe -i "movie.mp4" -itsoffset 0.3 -i "movie.mp4" -itsoffset 0.4 -i "movie.mp4" -map 0:v -map 1:a:0 -map 2:a:1 -c copy "movie-audio-delayed.mp4"

これで一つ目の音声を0.3秒遅らせて、2つ目の音声を0.4秒遅らせる処理になる。
詳しくはStackoverflowの回答を参考に。

参考

1
0
0

Register as a new user and use Qiita more conveniently

  1. You get articles that match your needs
  2. You can efficiently read back useful information
  3. You can use dark theme
What you can do with signing up
1
0

Delete article

Deleted articles cannot be recovered.

Draft of this article would be also deleted.

Are you sure you want to delete this article?