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--- ffmpeg_notes [2021-02-07 10:00] – nik
+++ ffmpeg_notes [2021-06-02 08:01] – nik
@@ Line 1: / Line 1: @@
 ==== Ffmpeg - various notes ====
+==== add audio track to a video ====
+''ffmpeg -i input.mkv -i audio.mp3 -c copy output.mkv''
+====extract audio from mp4 as mp3====
+''ffmpeg -i input.mp4 -b:a 320K -vn output-audio.mp3''
+====avoid audio/video reencode====
+options '-c:a copy' and '-c:v copy'
 ====slo-mo video transcode (e.g. iphone)====
@@ Line 144: / Line 156: @@
 ''ffmpeg -i clip.mov -i clip2.mov  -filter_complex vstack merged.mov''
-====extract audio from mp4====
-''ffmpeg -i input.mp4 -b:a 320K -vn output-audio.mp3''
-====avoid audio/video reencode====
-options '-c:a copy' and '-c:v copy'
 ====blending===