FLAC images split into individual files

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FLAC images split into individual files

2020-09-12 16:51:46

Hello,
I have a question about CUETools. I would like to split a Flac image into individual Flac files using CUE Sheet. The question now arises as to which settings are optimal and whether the files are re-encoded and thus deteriorate. When comparing the original file with the new files created with CUETools, I noticed a sound difference and the kbps have changed.

Re: FLAC images split into individual files

Reply #1 – 2020-09-12 17:34:03

The files are re-encoded but FLAC is Lossless. FLAC files cannot be losslessly split without re-encoding.
https://xiph.org/flac/faq.html#general__lossless_trust

Which encoder and settings were used to create the original image?

Re: FLAC images split into individual files

Reply #2 – 2020-09-12 19:06:04

I only know with EAC and Flac.exe. I don't know the quality level.

Re: FLAC images split into individual files

Reply #3 – 2020-09-12 19:34:59

There's no such thing as FLAC quality level: FLAC is lossless, all encodings have the same (100%) quality.

Re: FLAC images split into individual files

Reply #4 – 2020-09-12 22:33:22

Higher compression will produce a smaller file which will lower the average kbps of the compressed file. Lower compression will produce a larger file which will raise the average kbps of the compressed file. Both will decompress to the original audio without loss.

Quote

I only know with EAC and Flac.exe.

If the wizard was used to setup FLAC in EAC, the compression level was probably set to the -6 setting.
For similar compression level in CUETools, try libFLAC with the slider set to 6.
Note: The average kbps of the image file may be different than the average kbps of each file. The complexity of the audio also affects the level of compression.

Re: FLAC images split into individual files

Reply #5 – 2020-09-13 09:59:45

Thanks for your great help. I've tried a few levels now. At level 4 I get almost the same bit rate.

Which level is normally recommended?

Re: FLAC images split into individual files

Reply #6 – 2020-09-13 10:23:36

-5 is the default. There is trade-off, a higher setting takes a little longer to compress (all decompress the same), a lower setting creates a bigger file. Many users use -8.