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I'm in the process of archiving/remixing band files from long ago, when I just started out. My tagging/naming skills were non existent, so Ive got a lot of duplicates. I've tried myriad "duplicate file finders" but none of them were up to par. Need an app with acoustic fingerprinting, or something that will give 100 % accuracy.

Searches by file length didn't work (lots of takes during recording with minor variations, nature of the beast) perfect tunes was useless. CCleaner useless. Myriad apps from this hydrogen audio thread, some good but none perfect. I'm asking here as I've tried everything else. I'm willing to try command line stuff, anything really. (I am a novice at cmd and powershell, but wiling to try anything). Thank y'all.

Edit: duplicate = *audio content/fingerprint identical (complete null in daw) so far every app I've tried has given a 100% similarity score to a whole lot of files that were not identical. Quite a few of the apps don't decode (from flac) or fail to isolate the tags/metadata from the actual audio content.

Edit: I'm on Windows 11 Pro. No price constraints.

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  • Welcome Teddy! Interesting question. How do you want to define a duplicate for this question? Do you want to consider 2 recordings that are almost identical to be duplicates or different? And how would you define almost in the previous question? Also, if you have OS preference(s) or price constraints, please add them to your question/tags. Thanks, and again, welcome! Oct 2, 2023 at 8:49
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    Done! Thank you @RockPaperLz- Mask it or Casket Oct 2, 2023 at 11:23
  • Are you looking for something to do this automatically? I would assume if two file are not in the same format, they are not IDENTICAL Even in lossless formats like FLAC there is compression, so the only way to check it would be the audio itself. IF identical duration/bit rate/etc you can load into an editor like audacity, invert one of the tracks, play or mix it, and the result should be no wave at all. If not, what is there is the extent of difference. It will be a lot of manual, but likely the only real way. I would start with a master, invert IT, then load the others one by one and test. Oct 2, 2023 at 19:34
  • Likewise in this method, you could visually sync track portions if they are not the same duration, and measure parts (like one was a clip of the other) you would see a blank spot in the waveform where the clip came from. Oct 2, 2023 at 19:40
  • You're most welcome. BTW, I tagged your question as windows because when a community member (that's now you too!) requests software for Windows that does not require functionality of specific Windows version, that is the tag we use. Just letting you know for your future use. :) Oct 3, 2023 at 2:49

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