I mean don't you know anything about 45 RPMs how they are like tons better sound quality than 33 RPMs
I can't comment much on actual records but in terms of CD's vs MP3/AAC... while actual CD's are technically better most people could not tell the difference from a decent bit rate MP3/AAC file vs the actual FLAC (FLAC is equivalent to having the actual audio CD assuming it was ripped from the actual CD) in a actual test. those that claim they can, i am willing to bet most will find they cannot when taking a ABX test in Foobar2000. because purely by listening you have to tell whether Sample A matches X or Y and Sample B matches X or Y purely by listening and see if you can do that say 16 times (like A will either be FLAC or MP3/AAC and so will B like one or the other and the same with X and Y). if you can, your hearing a difference. if not, then your not hearing a difference. but where that point of hearing a difference is will vary a bit from person to person as someone with really good hearing can probably detect at least minor stuff at the somewhat higher bit rates. but in general i am willing to bet many people could not tell the difference on a LAME v2 (190kbps average) encoded MP3 file and a fair amount of people could go even noticeably lower on the bit rate and still not notice it, at least not easily.
i am willing to bet that general thing pretty much applies to records to as some people say vinyl is better than CD's but personally i think CD's are all around better because there is no noise on CD's unlike records because on records you got that needle touching the record and it produces noise etc. plus, CD's are a lot more convenient to.
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