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Author Topic: Strange errors during audio (flac) playback (issue closed)  (Read 1388 times)

Trumpetguy

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Strange errors during audio (flac) playback (issue closed)
« on: November 06, 2012, 02:08:05 am »

Last night I experienced something strange when playing some old flac stereo audio files. They were ripped 3-4 years ago using EAC (and yes, from my own CD...), and played earlier with no problems. In several tracks, I was now unable to skip (by clicking on the progress bar), where either nothing happened or it was stuck at "buffering". One track stopped some 30s before the end and jumped to the next track. This was repeatable.

I then re-ripped the CD using MC, and everything was just fine. All the strange behaviour was gone.

Anyone with similar experiences or an explanation for this? I am anxious this may happen to more of my old rips and that I need to go and get the box with my old CDs from the basement   :P

In the frustration, the old files were of course permanently deleted...
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Trumpetguy

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Re: Strange errors during audio (flac) playback
« Reply #1 on: November 06, 2012, 02:51:50 am »

Forgot to explicitly state that all rips are to FLAC, both from EAC and MC.
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JimH

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Re: Strange errors during audio (flac) playback
« Reply #2 on: November 06, 2012, 07:19:40 am »

That could be corrupt files and it could be a sign of a hard disk going bad.  Run chkdsk.
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Trumpetguy

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Re: Strange errors during audio (flac) playback
« Reply #3 on: November 06, 2012, 07:36:04 am »

That could be corrupt files and it could be a sign of a hard disk going bad.  Run chkdsk.

I will, thanks for the advice! It would be at bit disappointing - it is a 2 month old disk!
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Vincent Kars

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Re: Strange errors during audio (flac) playback
« Reply #4 on: November 06, 2012, 07:49:39 am »

The integrity of a file can be easily tested by running

FLAC –t FileToTest.FLAC
 
Flac will exit with an exit code of 1 (and print a message, even in silent mode) if there were any errors during decoding, including when the MD5 checksum does not match the decoded output. Otherwise the exit code will be 0.
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Trumpetguy

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Re: Strange errors during audio (flac) playback
« Reply #5 on: November 06, 2012, 09:04:13 am »

The integrity of a file can be easily tested by running

FLAC –t FileToTest.FLAC
 
Flac will exit with an exit code of 1 (and print a message, even in silent mode) if there were any errors during decoding, including when the MD5 checksum does not match the decoded output. Otherwise the exit code will be 0.


That IS interesting. But since I am a programmer wannabe (or hangaround) only, is this the right executable: http://flac.sourceforge.net/documentation_tools_flac.html ?
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MrC

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Re: Strange errors during audio (flac) playback
« Reply #6 on: November 06, 2012, 11:58:09 am »

Yes, that's correct.  Here's the download link:

   http://flac.sourceforge.net/download.html
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Trumpetguy

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Re: Strange errors during audio (flac) playback (issue closed)
« Reply #7 on: November 07, 2012, 01:28:27 pm »

CHKDSK returned no errors, and I have not been able to pick (random) files and reproduce the error. The files where this occurred were regrettably deleted so I cannot test again.

Conclusion for now: Corrupt files.
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