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  • How can I convert MP4 video to MP3 audio with FFmpeg?
    ffmpeg -i filename mp4 filename mp3 or ffmpeg -i video mp4 -b:a 192K -vn music mp3 Check this URL: MP4 Video to MP3 File Using ffmpeg (Ubuntu 9 10 Karmic Koala) link broken [Updated on 7th Dec 2021] Note: Ubuntu does not supply FFmpeg, but the fork named Libav The syntax is the same – just use avconv instead of ffmpeg for the above examples
  • audio - Convert mp4 to mp3 with ffmpeg - Super User
    ffmpeg -vn -sn -dn -i input mp4 -codec:a libmp3lame -qscale:a 4 output mp3 This creates a MP3 file with a VBR (variable bit rate) of 165 Check here for more options
  • Extracting audio from MP4 video into MP3 - Super User
    avconv -i input mp4 -vn -c:a copy output aac Now, some older devices genuinely can't play anything but MP3, and for those you can either use grawity's solution, or avconv -i input mp4 -vn -c:a libmp3lame -q:a 2 output mp3 This will create a variable bit rate (VBR) MP3 which, apart from specialised needs like streaming, should be preferred
  • How to convert MP3 to YouTube-allowed video format?
    ffmpeg -loop 1 -i picture jpg -i music mp3 -shortest -acodec copy video mp4 Loop accordingly for all mp3 files, then upload all the resulting video files Python, convert to mp4 then upload files to YouTube #! usr bin env python import sys, os inputOne = sys argv[1] inputTwo = sys argv[2]
  • How to merge audio and video file in ffmpeg - Super User
    Put your video files to project directory as 'source1 mp4', 'source2 mp4', etc; Put your PNG transparent image to project directory as 'overlay png' Put your MP3 file to project directory as 'voice mp3' in terminal run: python3 source-to-medium py (here will be created 'medium mp4')
  • mp4怎么转换成mp3？mp4如何转换为mp3 - 百度经验
    一、修改后缀名把mp4转换成mp3 将视频转换为音频最最简单的方法就是修改后缀名，我们直接在电脑上找到需要转换的视频文件，点击【更多】——【重命名】按钮，将后缀名修改为MP3音频格式，就能实现视频转音频的操作了。
  • compact disc - How do I make CD+Gs from MP4s? - Super User
    Essentially, you can play a regular CD in a karaoke player If you are asking how to make a CD+G format file from an MP4 file, it isn’t quite so simple You need specific karaoke CD+G authoring software to do it Karaoke CD+G Creator Pro is a program that comes to mind
  • Does it make sense converting a file to a higher audio bitrate?
    ACC or OGG 95 is around MP3 128-160 the same if you have a MP3 VBR (Variable Bit Rate) depending about the type of music or sounds some decoders will give you a random average Choose the best quality of video as you can, Demuxing the audio in the original format, convert if you need to the similar quality of the new format
  • video - Convert Mp4 to Mp3 with thumbnail - Super User
    To convert from video to mp3 with automatically thumbnail from the video Use the command below Simple method ffmpeg -i video mp4 -map 0:a:0 -map 0:v:0 out mp3 The -map option one use first audio (:0) from first input file (0:); and -map option two use first video (thumbnail) from first input file Read more about this on Simlev's answer
  • audio - Convert mp4 to mp3 - Super User
    If the original audio track in the MP4 file was MP3, you can go directly to ‘Audio->Save’ and get the original, untouched audio with no quality loss If it's not MP3 (probably AAC would be more likely), change the ‘Audio’ drop-down from ‘Copy’ to ‘MP3 (lame)’, hit ‘Configure’ to set the bitrate (you probably also want to enable Joint Stereo), and then ‘Audio->Save’





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