I was wondering, is there any kind of software for example:
It takes song's spectrum from .flac and spectrum from .mp3, then
It compares, and gives you output, in which there is sound difference, which for some of us is difficult to notice (to hear)
i.e. output gives sound that there is no in .mp3 , but still is in .flac
Anyhow, I suppose it would be possible to do some coding in MATLAB. Well, maybe some of you have any other suggestions ?