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[Mr Swordfish]

This may or may not be a JRiver MC thing, but I've got several thousand ripped CDs in my collection and some small but annoying percentage are "corrupt" that is, they glitch and sputter due to a bad rip.  It would be nice to be able to identify all those files without having to actually listen to every track in the library.  Is there a tool in MC for this?  Or could someone suggest some other tool?

[JimH]

That's definitely not a JRiver thing.  Can you identify a date range when it happened?  If so, you could sort them by date, but you'd still need to listen.

Are you sure it's the file?  Does it happen each time you play, and in the same place? 

[comox]

A signature of the incompetent ripper might be stored in a rarely used tag. Use MC's tagging window to inspect "Tags in File". If you find a signature MC will make it easy to find all the files. 

You might also look for a common pattern in the codec or bitrate which MC can also filter on.

[zybex]

A signature of the incompetent ripper

... you're assuming it's not self-ripped

You can try this:
https://checkmate.gissen.nl/

Note that it detects corrupt files, but not exactly "bad rips". That is, it checks the file structure and frame integrity, but doesn't help if the recorded data was already bad to begin with (which is more likely the problem).

[Mr Swordfish]

That's definitely not a JRiver thing.  Can you identify a date range when it happened?  If so, you could sort them by date, but you'd still need to listen.

Are you sure it's the file?  Does it happen each time you play, and in the same place?

It's due to a scratched or otherwise damaged CD, so there's no specific time range. Often, it's the last track or tracks where the data is further out on the edge of the disc.  The digital sputtering always happens in the same place. I suppose it's what I get for ripping borrowed CDs.

[Mr Swordfish]

... you're assuming it's not self-ripped

You can try this:
https://checkmate.gissen.nl/

Note that it detects corrupt files, but not exactly "bad rips". That is, it checks the file structure and frame integrity, but doesn't help if the recorded data was already bad to begin with (which is more likely the problem).

Only a very small number of my audio files are .mp3 so that app wouldn't really help, but thanks for the pointer.

[zybex]

Same for FLAC files:
https://repairit.wondershare.com/audio-repair/check-flac-files-for-corruption.html

[comox]

... you're assuming it's not self-ripped

Mr. Swordfish uses JRiver so it's not possible he created bad rips.

[Mr Swordfish]

Same for FLAC files:
https://repairit.wondershare.com/audio-repair/check-flac-files-for-corruption.html

Thanks.  Do you know of anything for .m4a files?

[zybex]

Nope. Found this one, but they don't even list pricing:
https://aeroquartet.com/treasured/aac.en.html

[Awesome Donkey]

Worth noting that .m4a is a container format and is used by different (lossless and lossy) audio codecs like Apple Lossless and AAC. It's a good idea to know what audio codec you're using with your audio files as they use the same file extension/container.