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1 vote
1 answer
296 views

If FLAC is a file format, how can one software make them smaller than ffmpeg with maximum compression?

While compressing all my FLAC files with the latest version of FFMPEG with maximum (12) compression level, it turns out that some of them become LARGER afterwards. How is this possible? Even if a non-...
Kiedrowski's user avatar
0 votes
3 answers
670 views

Is there any hidden danger in re-converting all my FLACs with "-compression_level 12"?

For some time now, I have been upgrading my music library from bad-sounding MP3 files to lossless FLACs. This obviously takes much more storage space. The 465 GB internal disk which contains my "...
C. Castoro's user avatar
1 vote
1 answer
609 views

ffmpeg add picture to audio without reduction in quality

I am trying to combine a picture and an audio file without any quality loss. I am currently using the following command: ffmpeg -r 1 -loop 1 -i ./pic.JPG -i ./audio.wav -acodec copy -r 1 -shortest ...
dinamix's user avatar
  • 113
2 votes
1 answer
1k views

How to compress audio track in to another track in ffmpeg

I'm trying to correct some volume issues on a couple movies. some of my movies have audio from 5.1 surround playing from stereo speakers, causing the volume to be really quiet for dialog and loud for ...
Nitemare's user avatar