videodigital:conversion:extraer_audio
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videodigital:conversion:extraer_audio [2015/04/13 20:19] – external edit 127.0.0.1 | videodigital:conversion:extraer_audio [2019/12/16 12:50] (current) – [Subir Volúmen a un vídeo] jose | ||
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====== Extraer el audio de un video ====== | ====== Extraer el audio de un video ====== | ||
+ | avconv -i video.mp4 -vn -f mp3 audio.mp3 | ||
+ | |||
+ | Sistema antiguo mas lento que reproduce todo el vídeo: | ||
+ | |||
# mencoder video.avi -of rawaudio -oac mp3lame -ovc copy -o audio.mp3 | # mencoder video.avi -of rawaudio -oac mp3lame -ovc copy -o audio.mp3 | ||
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a=" | a=" | ||
+ | | ||
+ | Si ya está rotado, para dejarlo bien: | ||
+ | https:// | ||
+ | avconv -i rotated_video.mp4 -c:a copy video.mp4 | ||
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ffmpeg -i intermediate_all.mpg -qscale:v 2 output.avi | ffmpeg -i intermediate_all.mpg -qscale:v 2 output.avi | ||
</ | </ | ||
+ | |||
+ | ====== Subir Volúmen a un vídeo ====== | ||
+ | Fuente: https:// | ||
+ | avconv -i video_volumen_flojo.mp4 -vcodec copy -af volume=2 outputfile.mp4 | ||
+ |
videodigital/conversion/extraer_audio.1428956385.txt.gz · Last modified: 2015/04/13 20:19 by 127.0.0.1