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[[!meta title="Preparing video clips"]]

Cut out a video clip from a longer recording
--------------------------------------------

    ffmpeg -ss [start] -t [duration] -i [input] [output]

For example:

    ffmpeg -ss 25:20 -t 10 -an -i P4.ogv clip.webm

Amplify the audio in a video clip
---------------------------------

    ffmpeg -i [input] -af "volume=25dB" [output]

For example:

    ffmpeg -i clip.webm -af "volume=25dB" clip-amplified.webm

Remove the sound in a video clip
--------------------------------

    ffmpeg -i [input] -an [output]

For example:

    ffmpeg clip.webm -an clip-nosound.webm