Split FLAC Audio Album with CUE File into Separate FLAC Tracks in Ubuntu, Linux Mint and derivates


Pinoy Techie
Introduction to the FLAC Format The FLAC audio format is so awesome, I still can’t get my head around it! It is lossless, like WAV files, yet often less than half the size.

For example, if you had an album at full-quality (320 kbps) in MP3 format (which is lossy, meaning some quality had to be sacrificed), it could well be around 140Mb. Raw, lossless audio in the form of .wav files would on the other hand take up around 1Gb, if not closer to 1.5Gb.

The reason .flac files have become so popular is that while being lossless in quality like .wav files, that album would probably only take up about 450Mb – half the size or less, but the same lossless quality.

If you’re quite happy with MP3s and their much-smaller filesize, if you ever end up with an album in FLAC format, you can always convert the tracks down to MP3 with a program like Sound Converter. But what if you get the album as one, long, continuous .flac file? Well, as long as that file also came with a .cue file (which specifies the breaks between tracks), it’s really easy to split it via the command-line, as you’ll see.

How to Split a FLAC Album with CUE File
First off, you need to make sure you have the necessary packages installed, which you can do with the following command:

sudo apt-get install cuetools shntool flac

Once done, you can start splitting the album with a command like the following: cuebreakpoints album.cue | shnsplit -o flac album.flac …

replacing the word “album” in each case with the correct name. If the 2 files have multiple words with spaces, you’ll have to enclose them in double-quotes, like in the following example:

cuebreakpoints “The Number Of The Beast.cue” | shnsplit -o flac “The Number Of The Beast.flac”

Once that’s done, all you’ll have to do is rename the tracks (unless it doesn’t worry you), and edit the tags (the info you see in your audio player) via Rhythmbox, or a dedicated tag editor.
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