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Metadata Tags Corrupting FLAC Files?
chrisgreen:
I have a number of FLAC files that play in MC27, but they do not play properly. They have little skips where small bits of audio seem to be missing. I think this may be related to my metadata tagging activity. If so, I want to figure out if I can fix these files, and also how to make sure I don't repeat this kind of problem. If the corruption has some other cause, I hope to figure out what it is.
When I send any of these files to Adobe Audition, Audition generates an error stating 'An error was encountered during the conforming process: Unable to read or decode the file.' I have run a set of these files through xAct for verification and receive a series of errors, most of which say FLAC_STREAM_DECODER_ERROR_STATUS_LOST_SYNC
Any ideas on sorting this out?
bob:
--- Quote from: chrisgreen on March 15, 2021, 01:39:15 pm ---I have a number of FLAC files that play in MC27, but they do not play properly. They have little skips where small bits of audio seem to be missing. I think this may be related to my metadata tagging activity. If so, I want to figure out if I can fix these files, and also how to make sure I don't repeat this kind of problem. If the corruption has some other cause, I hope to figure out what it is.
When I send any of these files to Adobe Audition, Audition generates an error stating 'An error was encountered during the conforming process: Unable to read or decode the file.' I have run a set of these files through xAct for verification and receive a series of errors, most of which say FLAC_STREAM_DECODER_ERROR_STATUS_LOST_SYNC
Any ideas on sorting this out?
--- End quote ---
That sounds more like a disk corruption issue.
What were you tagging the files with?
Do you have a backup of any of them to compare to?
chrisgreen:
I tagged the files using MC. I have been reading about tagging issues and FLAC corruption, so that has me thinking.
I have backups, but probably nothing pre-tagging. I am looking now.
syndromeofadown:
If the files were obtained by some form of internet download it's possible the download never finished. Or they could have been corrupted to begin with from the download source. The only time I have had tagging software (it wasn't MC) corrupt a file is when my PC shut down mid tagging, and even then it was just one track.
chrisgreen:
I checked the backup drive, and I find the same errors. Those files have the same tags. I run a backup every night, and the routine prunes the versions regularly. The pre-tag versions are long gone.
Yes, these files are typically downloaded via BitTorrent (live ROIO's). I have considered the files were not completely downloaded or were corrupt in the source, but I am not sure how to determine. The original DL source is no longer available to download. The BT client confirmed the download when I first pulled it, for what that's worth.
I should mention that I tend to do a lot of tagging, and I wonder if I am causing some trouble using non-standard fields or perhaps too many fields. It sounds like FLAC files don't like ID3 fields being added. Whether or not I can fix existing corrupted files, I would love to know that my tagging practices conform to some sort of best practice.
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