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FFmpeg: Extract Audio From Video In Original Format Or ...
https://www.linuxuprising.com/2019/11/ffmpeg-extract-audio-from-video-in.html#:~:text=FFmpeg%20normally%20audo-detects%20the%20output%20format%20from%20the,to%20mp3%3A%20ffmpeg%20-i%20myvideo.mp4%20-codec%3Aa%20libmp3lame%20audio.mp3
Encode/MP3 – FFmpeg
https://trac.ffmpeg.org/wiki/Encode/MP3
ffmpeg -i input.wav -codec:a libmp3lame -qscale:a 2 output.mp3 Control quality with -qscale:a (or the alias -q:a ). Values are encoder specific, so for libmp3lame the range is 0-9 where a lower value is a higher quality. 0-3 will normally produce transparent results, 4 (default) should be close to perceptual transparency, and 6 produces an "acceptable" quality.
FFmpeg Codecs Documentation
https://ffmpeg.org/ffmpeg-codecs.html
The following options are mapped on the shared FFmpeg codec options. b. Set bit rate in bits/s. If the bitrate is not explicitly specified, it is automatically set to a suitable value depending on the selected profile. In case VBR mode is enabled the option is ignored. ar. Set audio sampling rate (in Hz). channels. Set the number of audio channels.
Audio Transcoding using FFmpeg - Change Audio Codecs using ...
https://ottverse.com/transcode-audio-codec-ffmpeg-without-changing-video/
Just ensure that you have the right extensions and FFmpeg will do the conversion for you. In this case, FFmpeg with re-encode the video and provide it in an mp3 container. ffmpeg -i audio_file.wav audio_file.mp3 That’s it and with these two simple commands, you should be able to transcode your audio from one codec to another (or switch containers).
Convert audio files to mp3 using ffmpeg - Stack Overflow
https://stackoverflow.com/questions/3255674/convert-audio-files-to-mp3-using-ffmpeg
For batch processing with files in folder aiming for 190 VBR and file extension = .mp3 instead of .ac3.mp3 you can use the following code. Change .ac3 to whatever the source audio format is. ffmpeg mp3 settings. for f in *.ac3 ; do ffmpeg -i "$f" -acodec libmp3lame -q:a …
How to use FFMpeg to do Simple Audio Conversion
https://www.howtoforge.com/tutorial/ffmpeg-audio-conversion/
ffmpeg -i filename.mp3 newfilename.wav newfilename.ogg newfilename.mp4. This will result in converting 3 output audio files (wav,ogg,mp4) from one mp3 file. Alternatively, you can set the desired codec using the -c command like this: ffmpeg -i filename.mp4 c:a libopus newfilename.ogg
Diff.between ffmpeg -acodec mp3 and ffmpeg -acodec ...
https://forum.videohelp.com/threads/353136-Diff-between-ffmpeg-acodec-mp3-and-ffmpeg-acodec-libmp3lame
-acodec mp3 => uses the mp3 encoder of the libav library (which is part of ffmpeg even if it's build from source without additional libraries) -acodec libmp3lame => uses the mp3 encoder of the LAME library (libmp3lame is can be compiled into ffmpeg using '-- enable - libmp3lame', assuming the library is present)
A quick guide to using FFmpeg to convert media files ...
https://opensource.com/article/17/6/ffmpeg-convert-media-file-formats
For example, to set the audio stream to be Vorbis, you would use the following command: ffmpeg -i input.mp3 -c:a libvorbis output.ogg. The same can be done to change the video as well as the audio stream: ffmpeg -i input.mp4 -c:v vp9 -c:a libvorbis output.mkv.
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