checksum of raw audio data

[Anthony Liu]

Hello, is it possible to calculate the checksum of binary data fields to see
whether they are identical (e.g. the covers are the same picture )?

On Wed, Mar 17, 2010 at 3:50 AM, Scott Wheeler <wheeler at kde.org> wrote:

> > TagLib, perhaps unsurprisingly, is a library for manipulation of audio
> > file tags.
> >
> > If you want the audio data, you'll need to look elsewhere.
>
> Notably, in formats that have containers (Ogg, et al) just finding the
> data that's "not the tags" isn't sufficient (like it would be for MP3)
> since changes at the beginning file can require changes in all
> subsequent blocks.  libsndfile is probably the thing to look at
> (though it will give you actual audio data, not compressed data).
>
> -Scott
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-- 
Best Regards
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