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| Question about FLAC Compression http://www.brainkiller.it/forum/viewtopic.php?f=10&t=7751 |
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| Author: | ©@rm4g3dd0n [ Thu Apr 05, 2012 6:51 pm ] |
| Post subject: | Question about FLAC Compression |
I would like to ask a question about FLAC Compression, whether some of you know how it exactly works. Without naming the track, I have the same Single's US and UK version. Ripping the same track from both CD's in FLAC LEVEL 8 I get this: US Version: Average bitrate: 944 kbps Compression Ratio: 66% UK Version: Average bitrate: 909 kbps Compression Ratio: 64% Not that it matters a lot, I'm just being curious. I woulda think I should get the same result, and yet, I don't. Why? Edit: Some additional infos: - both version released in the same year - i used the same programme for ripping |
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| Author: | Aquila [ Thu Apr 05, 2012 9:52 pm ] |
| Post subject: | |
FLAC is a lossless codec, meaning that it uses special (and complex) mathematical algorithms to render a waveform exactly the same as the original by finding simple and/or repetetive segments of data and shortening them (kind of like how a journalist can use shorthand to write a sentence quickly and accurately by replacing common words with symbols). The more complex the original data, the less effective the data reduction is. So, if a song has different versions, various nuances in the file's complexity means that the compression results will be different to each other. |
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