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Topic: Command line tool to fix corrupted/invalid mp3 file (Read 9848 times) previous topic - next topic
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Command line tool to fix corrupted/invalid mp3 file

I have some mp3 tracks downloaded from this page http://dwellingofduels.net/duel.php?dir=13...03-Disney_Month.

Unfortunately, all five tracks seem to have some problem.

If I run the eyeD3 python program on the files, they all report "eyed3.core:WARNING: FrameHeader: Illegal Frame ID: �j��".

The files would cause my FiiO X5 gen 1 (with latest firmware version 2.5) to hang if I try to play them.

However, they seem to play fine on VLC for OS X. If I open the Media Information in of the tracks in VLC, I see a partial embedded cover art. This suggests that the error is recoverable.

Would anybody know a commandline tool that let's me fix the mp3 file without re-encoding?

Command line tool to fix corrupted/invalid mp3 file

Reply #1 –
Not commandline but foobar2000 comes with a few utilities to "fix" MP3s.

Command line tool to fix corrupted/invalid mp3 file

Reply #2 –
Just remux them with ffmpeg:
Code: [Select]
ffmpeg -i input.mp3 -c:a copy -c:v copy output.mp3

It seems that strings in ID3v4 text frames are not null terminated. That might be the cause.

FWIW, the most recent eyeD3 (fetched from https://bitbucket.org/nicfit/eyed3) could read them.
ffmpeg and TagLib also succeed. fb2k can play it but doesn't show their tags.

Command line tool to fix corrupted/invalid mp3 file

Reply #3 –
Quote from: nu774 on
Just remux them with ffmpeg:
Code: [Select]
ffmpeg -i input.mp3 -c:a copy -c:v copy output.mp3

It seems that strings in ID3v4 text frames are not null terminated. That might be the cause.

FWIW, the most recent eyeD3 (fetched from https://bitbucket.org/nicfit/eyed3) could read them.
ffmpeg and TagLib also succeed. fb2k can play it but doesn't show their tags.

ID3v4? You mean ID3v2.4, right?

Command line tool to fix corrupted/invalid mp3 file

Reply #5 –
You can try VBRFix or MP3val.

Command line tool to fix corrupted/invalid mp3 file

Reply #6 –
They use id3v2.4 with non synchsafe integers; old iTunes used to write those.

"mid3v2 -C bla.mp3" should fix it