[AG-TECH] Echo Cancellation

[Steve Gallo]

We've just stared to use a Gentner Accumic II for our mobile node
and have had fairly good results with it once we figured out how
the Windows and Rat audio controls interacted with each other
(which is not very well).  The mic costs roughly $500 and uses a
speaker reference passthrough for echo cancellation.  It can't
be driven nearly as hard as the XAP800 but would probably be fine
for a small node.

Steve

--
Steve Gallo
AG Node Operator
smgallo at ccr.buffalo.edu
Center for Computational Research
University at Buffalo, The State University of New York
9 Norton Hall, Buffalo, NY 14260-1800
716-645-6500 x521 (AG Desk x456)


> -----Original Message-----
> From: owner-ag-tech at mcs.anl.gov [mailto:owner-ag-tech at mcs.anl.gov]On
> Behalf Of Ronald Crummett
> Sent: Thursday, March 04, 2004 4:19 PM
> To: ag-tech at mcs.anl.gov
> Subject: [AG-TECH] Echo Cancellation
> 
> 
> Hello there -
> 
> I am looking to purchase several echo-cancellation systems for varied-size 
> AccessGrid nodes in the near future.  Visits to the mailing list archive 
> have led me to believe that the (X)AP 4/800 systems by ClearOne/Gentner are 
> the favored solution, but I am curious if anyone is using anything else out 
> there.  I saw a few threads regarding Polycom products but the pictures I 
> have been able to find of these products look more like glorified 
> speakerphones - and maybe they are, but if you are using one of these like 
> SoundStation, allow me to ask:  how exactly do you hook it up with 
> everything else in the node?  Are there any additional parts that are 
> needed/not needed?  Thanks.
> 
> -Ron Crummett
> 
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