Ffmpeg Audio Vbr | Audio-Digital.net

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Encoding VBR (Variable Bit Rate) mp3 audio – FFmpeg

https://trac.ffmpeg.org/wiki/Encoding%20VBR%20%28Variable%20Bit%20Rate%29%20mp3%20audio

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FFmpeg VBR Settings - slhck.info

https://slhck.info/video/2017/02/24/vbr-settings.html

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Is there a way to identify if an audio is VBR or CBR using ...

https://stackoverflow.com/questions/59549766/is-there-a-way-to-identify-if-an-audio-is-vbr-or-cbr-using-ffmpeg

Idea/skeleton for doing it with ffmpeg. From the source, the original idea with video was. ffmpeg -i input.mp4 -an -c:v copy -segment_time 0.00001 -f segment i%0d.mp4 Then to run ffprobe on each of the segments. We'll need to change this to deal with just the audio - I'll need to look into the docs to figure out the exact command needed.

FFmpeg Codecs Documentation

https://ffmpeg.org/ffmpeg-codecs.html

Use ffmpeg to convert an audio file to VBR AAC in an M4A (MP4) container: ffmpeg -i input.wav -codec:a libfdk_aac -vbr 3 output.m4a Use ffmpeg to convert an audio file to CBR 64k kbps AAC, using the High-Efficiency AAC profile: ffmpeg -i input.wav -c:a libfdk_aac -profile:a aac_he …

Encode/MP3 - FFmpeg

https://trac.ffmpeg.org/wiki/Encode/MP3

Example to encode VBR MP3 audio with ffmpeg using the libmp3lame library: 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 ...

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