Larry Masinter (masinter@parc.xerox.com)
Fri, 6 Aug 1999 00:18:47 PDT
It sounds like the situation with audio/wav is quite similar to
that of image/tiff. We could have made a new file format
for Internet Fax, but chose instead to use image/tiff (since
they _were_ tiff files), with _optional_ parameters
(application=faxbw, application=faxcolor), but with
capability exchange handled by additional profiling parameters.
In the long run, adding parameters to media types isn't
a great way of doing 'social engineering', is it?
(Is there a subscription list for vpim yet? Since EMA wouldn't
subscribe me without providing personal information, I didn't
get on the list.)
Larry
-- http://www.parc.xerox.com/masinter> -----Original Message----- > From: Keith Moore [mailto:moore@CS.UTK.EDU] > Sent: Wednesday, August 04, 1999 6:18 PM > To: Blair Whitney > Cc: 'Keith Moore'; Graham Klyne; VPIM discussion list; > vpim@lists.neystadt.org; ietf-types@iana.org > Subject: Re: [VPIM] draft-ema-vpim-wav-00.txt > > > > The problem with "what people think of as WAV files" is that there are a > > variety of implementations of WAV file formatting, and the VPIM spec should > > be as specific as possible. > > right. so make the vpim be very specific as to what kind of wav files > are acceptable for the vpim context, and let the audio/wav content-type > correspond more-or-less.to "what people think of as WAV files". > i.e. make vpim-acceptable-content more rigorous than audio/wav. > > if you want, define a parameter for audio/wav that indicates the > precise format and codec, define which values of that parameter are > acceptable for vpim, and insist that vpim implementations include that > parameter in mail that they generate. this won't directly help > interoperability, since it's duplicating information already present > in the wav file itself. but it might help call attention to the fact > that only certain formats/codecs of wav are valid for vpim. > > think of it as a form of social engineering. > > Keith >
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