Preserve the original, find a compatible reference and check an interrupted M4A recording before relying on a repair.
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Protect the original, compare copies, and inspect embedded previews before attempting JPEG repair.
Protect the original, understand WAV length fields and inspect a separate recovery copy.
Check playback, inspect audio streams with ffprobe and distinguish missing result tracks from unknown original audio.
Choose an original matching clip, compare video and audio settings, and inspect candidates with ffprobe before a repair attempt.
Start with your recording.
A file that won’t open can still hold recorded media. Learn what the error tells you, when a matching reference helps and what a repair cannot restore.
Ordinary MP4, MKV and Hybrid recordings need different next steps. Check the format before trying to recover an interrupted session.