[AG-TECH] onboard audio

Piers O'Hanlon p.ohanlon at cs.ucl.ac.uk
Wed Apr 11 17:39:58 CDT 2007


HD does stand for High Definition (despite appearances?!) - It's
referring to Intel new audio architecture:

I haven't managed to test RAT on an HD audio card as I haven't
currently got access to one - I'll see if I can find one....

I'm assuming this problem is being seen on Windows - anyone tried HD
audio on Linux?



On 11/04/07, Joseph Stone <stone004 at umn.edu> wrote:
> In what appears to be a clever marketing trick, system and soundcard
> manufacturers have used the moniker "HD" and attached the words High
> Definition to the letters.
> It really stands for Half Duplex.  Since rat expects a chip set that can
> simultaneously send out signals while receiving them, these new devices do
> not get recognized. The HD devices appear to do some sort of fast switching
> so that the user hears and speaks apparently at the same time.
> I'll leave it to UCL folks to correct/add to what I've just said.
> Joe
> Joseph Stone
> Senior Informatics Manager
> Family Medicine Community Health, Medical School, Univ. of Minnesota
> Suite 220 Dinnaken
> 925 Delaware St. SE
> Minneapolis, MN 55414
> (612) 624-3192
> stone004 at umn.edu

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