Lossless Audio Checker

Metallica Audio Torrents
newsthet
Broken, Beat, but not scarred
Posts: 431
Joined: Mon Jun 07, 2010 11:20 pm
Location: Israel
Country: Israel

Lossless Audio Checker

Post by newsthet »

If we got back a little for Audios,

How accurate is this program compared to looking at freq pictures using other programs?
User avatar
M4ST3R M1K3
Stone Cold Poster
Posts: 3097
Joined: Mon Mar 31, 2003 8:53 pm
Country: Death Magnetic

Re: Lossless Audio Checker

Post by M4ST3R M1K3 »

Never used it but several years I tried AuCDtect that has the same goal, so I can speak a bit about it. It's bundled with trader's little helper.

If i remember correctly it wasn't really accurate for bootlegs.

I think AuCDtect was mainly created for countries where it's common to buy silver CD studio albums that are actually counterfeit, mp3 sourced.

But bootlegs are a different thing, then the tool could give wrong results. For example, the minidisc format is lossy by design. And DAT, even it's if lossless, the sampling rate is reduced in long play modes, so the highest recorded frequency is reducted too (it's math). So since AuCDtect could think it's counterfeit.

I tried AuCDtect with some bootlegs from well known, reliable tapers and it said it was fake. So the result was wrong.

If you want to test Lossless Audio Checker, I suggest you try it with some minidisc bootlegs taped by well known people. If it says it's fake, you can probably say this tool is not accurate for bootlegs.

By the way, according to their website, AuCDtect and Lossless Audio Checker only use frequencies to detect lossy stuff. But there's an other way, at least for mp3: I don't want to be too technical, but mp3 files have a very short silence at the beginning of the track. Unless you manually remove this silence with an editor, it's kept when converted to flac, wav or other lossless format. So it's another way to detect mp3 sourced tracks.