[wdmaudiodev] AW: Wav file format tags--updates??
- From: wdm <wdm@xxxxxxxxxxxxx>
- To: "'wdmaudiodev@xxxxxxxxxxxxx'" <wdmaudiodev@xxxxxxxxxxxxx>
- Date: Wed, 23 Jun 2004 08:16:17 +0200
I have also contacted this address to obtain a "MIDI Manufacturer
and Product Identifier" for my MIDI-driver, but also received no
response. This is somewhat frustrating...
Tobias
> -----Ursprüngliche Nachricht-----
> Von: Dean, James [mailto:James.Dean@xxxxxxxxxxxxxx]
> Gesendet: Dienstag, 22. Juni 2004 22:01
> An: wdmaudiodev@xxxxxxxxxxxxx
> Betreff: [wdmaudiodev] Wav file format tags--updates??
>
>
> The most recent update to the multimedia standards from MS
> is version 3.0 released in April 1994, and lists definitions
> for roughly 40 types of wave audio data. (refer to riffnew.doc
> in file mdrk.exe KB120253)
>
> The most recent version of mmreg.h I can find is version 1.57
> and it lists more than 120 format types, HOWEVER, my installation
> of win2k doesn't recognize many of them--even format tags that
> windows 98 knows about! (BTW-the properties handler media information
> summary [under file properties] in win2k is crappy-not nearly as
> useful as the service under win98--the preview is missing too).
>
> Are there any documentation for the remaining types defined since
> early 1994? I need the data formats "byte-by-byte" for a number
> of new the wave_format types that look promising for new audio
> codecs. These are *supposed* to be supplied to Microsoft as part
> of the registration process (which doesn't seem to be available
> anymore).
>
> Recently, I've also seen even more new format tags listed in the
> file "Registered FOURCC Codes and WAVE Formats" in the 2003 SDK
> documentation, but it is still missing more formats such as the
> ogg-vorbis and gsm series listed elsewhere and existing in the 'wild'.
>
> Does Microsoft register these codecs anymore? There is no response
> from mmreg@xxxxxxxxxxxxx to any questions.
>
> Regards,
> James Dean
> National Research Council
> Ottawa, ON
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