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Date:      Tue, 14 May 1996 15:29:42 -0700
From:      "Amancio Hasty Jr." <hasty@rah.star-gate.com>
To:        "Christoph P. Kukulies" <kuku@gilberto.physik.rwth-aachen.de>
Cc:        multimedia@freebsd.org
Subject:   Re: feedback with full duplex 
Message-ID:  <199605142229.PAA03335@rah.star-gate.com>
In-Reply-To: Your message of "Tue, 14 May 1996 19:24:02 %2B0200." <199605141724.TAA10279@gilberto.physik.rwth-aachen.de> 

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> 
> I still find the quality of vat insufficient for human conversation
> and I'm afraid that some nifty Win95/NT programs will knock us off our
> socks soon.

> I grabbed a voxware phone prgram recently from Voxware Inc.
> Though I couldn't connect to a server - what is a voxware server? -
> it shows the direction where things are evolving.

You mean degrading :)

We still have good technology .


> Back to vat: How come that I hear my own voice with a 
> 3 to 5 seconds delay in the audio stream again? Is it because
> my oppenent was using free room speakers (SGI) while I was using a 
> headset assembly. Would it disappear, when my opponent would use
> headsets as well ? Or is it an inherent problem with full duplex?
> (BTW, the fact that the GUS card feeds back the mic to the left
> earphone channel doesn't seem a bug, it seems being a feature, it gives
> a good phone impression when talking through the mike).
> 

You want a GUS PnP with at least 512k -- 60ns memory . The GUS PnP has
the capibility to decouple the input and output. 

The GUS MAX mixes the input and output and there is no option to decouple
the input and output. 

	Amancio





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