Separate video stream and audio stream using ffmpeg

Apr 11, 2024#FFmpeg196

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The video contains video and audio streams. Use ffmpeg to separate video and audio streams. Use parameters -vcodec copy -an and -acodec copy -vn to separate video and audio. Separate video with -vcodec copy -an output.mp4. Separate audio with -acodec copy -vn output.aac. Convert video directly to mp3 with ffmpeg -i test.mp4 output.mp3.

The video contains video stream and audio stream. If a video only has a video stream, then there will be only visuals without sound, and vice versa.

View the two streams in the video#

ffmpeg -i test.mp4

Using parameters -vcodec copy -an and -acodec copy -vn can separate the video stream and audio stream.

Separate the video#

ffmpeg -i test.mp4 -vcodec copy -an output.mp4

Separate the audio#

ffmpeg -i test.mp4 -acodec copy -vn output.aac

Directly transcode the video to mp3 format#

ffmpeg -i test.mp4 output.mp3