[vorbis-dev] high frequencies response
xiphmont at xiph.org
Fri Oct 11 17:20:32 PDT 2002
On Fri, Oct 11, 2002 at 02:34:06PM +0200, Tor-Einar Jarnbjo wrote:
> Ok, then please make a suggestion on what i can do. I've already
> pointed out a few things I think is missing, and the most important
> (at least for my current needs) are:
> - a correct specification of the file format
> - reference files to test if a new decoder implements the specification
> I have not the knowledge to do the first step, neither do I know
> where to obtain it, and create a reference file based on an incorrect
> specification makes no sense.
OK, sounds like we're all back to reason.
To verify the spec, what we really need is an experienced programmer
without deep internal knowledge of vorbis (at least, one who can't
quote large swatchs of the libvorbis code from memory). This will not
only give a great practical critique of the code, but also proveide
the fully 'genetically-independent' implementation many standards
bodies require. The current Vorbis code was written for ease of
maintainence. A from-scratch implementation could focus on some other
goal as well, such as lower resource use.
That's a big enough project to warrant a slashdotting when it's finished.
Note that I *did* code quite a few tests directly from the spec, but
several of the bugs that have come up from the spec were due to me
being too familiar with the pieces and duplicating correct code from
memory without realizing it.
--- >8 ----
List archives: http://www.xiph.org/archives/
Ogg project homepage: http://www.xiph.org/ogg/
To unsubscribe from this list, send a message to 'vorbis-dev-request at xiph.org'
containing only the word 'unsubscribe' in the body. No subject is needed.
Unsubscribe messages sent to the list will be ignored/filtered.
More information about the Vorbis-dev