[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [dvd-discuss] A TPM without use limitations -- thoughts?

Of course, this is also useful for users knowing that they're dl'ing a 
song and not a decoy, as well as making a more accurate identification of 
files you already have.

I was involved in a project where we hoped we could get something like 
that for the various non-evil applications ;)

On Mon, 11 Nov 2002, John Schulien wrote:

> Having read the original article that started this thread, it appears to me
> that what they are talking about is not adding any sort of identifying
> information at all, but devising an algorithm to make an acoustic
> "fingerprint" of existing, unmodified songs.  In other words, this
> "fingerprint" isn't something that is added to a song -- it is a digital
> summary of the song -- used for recognizing a song.  
> It isn't a DRM measure at all.
>  > Audible Magic's technology aims to get around the problem of
>  > matching digital copies of songs that do not use a universal
>  > naming convention or format. Audio fingerprinting captures
>  > characteristics of a song that can be compared to files found on
>  > peer-to-peer networks and elsewhere regardless of the file
>  > name or type.
> The reason for such a scheme would be to set up computers to
> download files at random, and mechanically determine whether
> the files are MP3s of one of their songs,  regardless of the
> (possibly misleading) filename.
> All of this discussion about adding false fingerprints,
> removing fingerprints, and adding meta-data to fingerprints is
> very interesting, but it doesn't appear to have anything to do
> with what the article is talking about.