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I made a very long recording with an application in my cellphone that used AAC but its battery died after 13 hours (although it was plugged in). The file can't be played since the file structure is incorrect, but I know the information is there. The bitrate of the recorder is 100kbps, the sample rate 16000Hz and the file format is QuickTime.

¿Is there a way to play or decode easily the data in the 'mdat' atom?.

Please help, this recording is very important for me. Thanks.

I read the documentation of atoms in the QuickTime page and tried to fix the file structure without success so far. I also extracted de raw data from the 'mdat' atom with Python and tried to convert it to WAV using ffmpeg but it didn't work.

Gonzalo Leon
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  • What command did you use to try to convert the raw `mdat`? – Gyan Aug 31 '23 at 03:49
  • Make a smaller example of the same case and post it here. Take a look at [minimal, reproducible example](https://stackoverflow.com/help/minimal-reproducible-example) documentation. Also, add some code to the question, maybe traceback with error if relevant. – dankal444 Aug 31 '23 at 09:24

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