Path: utzoo!attcan!uunet!pmafire!uudell!milano!cs.utexas.edu!usc!sdd.hp.com!hplabs!otter.hpl.hp.com!otter!sgm From: sgm@otter.hpl.hp.com (Steve Methley) Newsgroups: sci.electronics Subject: Re: songs name on CD's Message-ID: <1770025@otter.hpl.hp.com> Date: 30 Nov 90 21:17:06 GMT References: <2730@mtecv2.mty.itesm.mx> Organization: Hewlett-Packard Laboratories, Bristol, UK. Lines: 15 sirakide@motcid.UUCP (Dean Sirakides) asks in <5490@mint29.UUCP>: > Is there any identification on the disk which uniquely identifies the > material? i.e. is there some manufacturer's code on the disk that I could > read and then match up to an external list that would identify the album > title/author/songs/etc.? Commercial systems that do this use the number of tracks and playing times to 'uniquely' identify a cd - although a little thought shows that it is not unique at all, but the probability of getting cd album 'a' and cd album 'b' with the same track details is small enough for the system to work. Cheers, Steve. (private opinions) Brought to you by Super Global Mega Corp .com