FFmpeg

FFmpeg is a useful tool to edit, convert and join audio files.

DAW -> WAV -> FLAC -> MP3

MP3 + Video -> MP4

Some useful commands

ffprobe -show_streams -show_format <file>
ffplay <file>

# For streaming

ffmpeg -i <file> -metadata album=""  -metadata title=""   -metadata date=""   -metadata genre="" c  -ar 48000 -ac 2 -b:a 64k <out-file>

# Modify metadata
 ffmpeg -i  <file>  -c copy -movflags use_metadata_tags -map_metadata 0 -metadata title=""  -metadata year="" -metadata album="" <file>

# Add Audio to video

 ffmpeg -i <file> 4  -i  output.mp3  -acodec copy -vcodec copy -map 0:v:0 -map 1:a:0 <file>

# Flac to mp3

ffmpeg -i <file> -ab 320k -map_metadata 0 -id3v2_version 3 <file>