[AG-TECH] Tabletop-Room mic with integrated echo canceling

[Derek Piper]

	That's very interesting. I've found the AccuMic's to be almost TOO 
sensitive and have the gain way down else I've seen we distort or even 
that the echo-cancelling gets overloaded. The version I have tested 
most with is an older AccuMicVC, with RCA-jack adaptors that is in use 
on the AG node here. The machine running the audio and the video capture 
is a Linux machine with an Intel ICH5 chipset (OSS sound).

	Derek

Enrique Terrazas wrote:
> Fred,
> 
> We ran into this same when we first started using the ClearOne AccumicPC 
> with a Dell XPS at UCSF.  We noticed that the sound level according to 
> RAT was very low.  There is an advanced sound setting where there is a 
> check box for a "20dB boost" for the mic input (I don't remember the 
> exact number for the boost as it's from memory).  Clicking on this check 
> box increased the sensitivity of the ClearOne tremendously, and now they 
> would great for us.
> 
> Enrique
> 
> 
> On May 24, 2007, at 7:23 AM, Fred Dech wrote:
> 
>> This discussion of the ClearOne AccumicPC  is really interesting to me,
>> because I've been very unhappy with the performance I've gotten from 
>> them so
>> far.  We have a couple attached to a fairly new Dell and they don't 
>> pick up
>> well at all.  You pretty much need to have the saucer right down in 
>> front of
>> you and speak loud toward it in order for other sites to understand you.
>> Since quite a few of you like the AccumicPC and I've not really had a 
>> chance
>> to test these on another PC or Mac, I suspect that my Dell's Sigmatel 
>> HD Audio
>> interface could very well be the problem (and there's other problems 
>> associated
>> with HD and rat)... not the Clearones.
>>
>> --fred
>>
>> On Wed, May 23, 2007 at 09:09PM, Mike.W.Daley at cs.cardiff.ac.uk said:
>>> Hi Michael
>>> We use Clearone Accumic in one of our nodes. It works well and plugs
>>> straight into a 3.5mm PC-audio-in.
>>> Mike
>>>
>>> Quoting Michael Braitmaier <braitmaier at hlrs.de>:
>>>
>>>> Hello everyone!
>>>>
>>>> I am a bit in trouble as I need to order a tabletop mic with integrated
>>>> echo cancelation quite fast, however don't have experience with them.
>>>> So I would like to rely on your experiences.
>>>> So can anyone recommend one or two of such mics, which work fine and
>>>> produce good results, for direct connection into a 3.5mm PC-Audio-in?
>>>> I have just had a look at the follwoing Clearone Mic (
>>>> http://www.clearone.com/products/product.php?cat=4&prod=17 ),
>>>> which seems to be able to work on PCs directly. Does anyone of you
>>>> already have experience with this one?
>>>>
>>>>
>>>> Thanks in advance
>>>> Michael
>>>>
>>>> --------------------
>>>> Dipl.-Inf. Michael Braitmaier
>>>> HLRS - Visualization / Video Conferencing
>>>> University of Stuttgart
>>>> Germany
>>>> Website: http://www.hlrs.de/people/braitmaier/
>>>
>>>
>>>
>>> ----------------------------------------------------------------
>>> This message was sent using IMP, the Internet Messaging Program.
>>>
>>
> 
> -- 
> Enrique Terrazas, MD, MS
> Director, Laboratory Medicine Residency Program
> Chief, Laboratory Information Systems
> HS Associate Clinical Professor
> University of California, San Francisco
> Clinical Laboratories, Box 0100
> 415.353.1375(UCSF/China Basin phone)
> 415.353.1620(UCSF/Parnassus phone)
> 415.353.4826(fax)
> 415.443.0913(pager)
> Enrique.Terrazas at ucsf.edu
> 
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-- 
Derek Piper - dcpiper at indiana.edu - (812) 856 0111
IRI 323, School of Informatics
Indiana University, Bloomington, Indiana