[AG-TECH] Echo canceller

John Shalf jshalf at lbl.gov
Tue Jul 22 10:00:27 CDT 2003

On Monday, July 21, 2003, at 09:37 PM, Markus Buchhorn wrote:

> At 14:43 21/07/2003 -0700, Ed Ritenour wrote:
> I'd agree with this sentiment, on the impact of background noise - we 
> decided to use ceiling mounted boundary mikes to cover the rooms in 
> all 3 of our nodes (so far), with no ceiling mikes and no lapel mikes 
> wanted or needed. I've seen a few sites where desktop mikes and poor 
> autogating just killed the experience. But, muting mikes on-demand is 
> a pain for somebody to manage. People are still the most expensive 
> asset in a node.

Desktop mics like the Shure 412D or the 312 series have a touch/toggle 
switch on the front of the mic.  A green LED indicates whether the mic 
is on or not.  No need to have the operator do the muting.

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