Hi Jason Thanks very much for your feed back.... (so to speak)
and thanks also to: Andrew Sharpe Christoph Willing David McNabb who replied directly and didn't appear on the ag-tech list I have plenty to go on now =). I also came across your help docs on agcentral (from your posting about AG Quality Approval) after initially posting my problem. Will post how I go. Chris Kendrick VPAC On Fri, 2005-12-16 at 12:08 +1000, Jason Bell wrote: > G'day Chris > > >From my experience, both the XAP400 device and the audio machine can > cause these problems. > > Some of the suggestions I would investigate is: > > Audio Machine > > * If the output PCM / master output levels are too high, I find > these levels can effect the echo canceling. > > ClearOne (XAP400) > > * Ensure you have echo canceling enabled on your inputs > (Particularly on your inputs that have mic's connected to them.) > > * As with the audio machine levels, if you have the gain levels > set too high, it also can effect the echo canceling. (But generally, > you tend to start hearing yourself back in your own speakers) > > In my opinion, these settings can be quite fiddly and takes time to > adjust to the correct settings. > > Also, you might find the following useful to help you test the machine > personally as well > (http://agcentral.org/help/tutorial/qualityhelper/qusound). > > If you have any further problems, please don't hesitate to contact me. > > Hope the above helps, > Jason. > > > -----Original Message----- > From: owner-ag-t...@mcs.anl.gov [mailto:owner-ag-t...@mcs.anl.gov] On > Behalf Of Chris Kendrick (VPAC) > Sent: Thursday, 15 December 2005 3:01 PM > To: ag-t...@mcs.anl.gov > Subject: [AG-TECH] AG Echo > > Hi all > > This is my first post to the ag-tech mailing list =) > > I have recently taken over from Nelsie Fernandes at the VPAC Access Grid > > We recently had a HW failure on our audio machine (vidio reception, > transmission, and sound are all on different machines) > > Since I brought the audio machine back up i have been causing echo to be > heard > at the other sites. > > My question is, can echo like that be caused by the audio machine not > being set > up right or is the echo canceller (ClearOne XAP400) entirely to blame? > (some of > the settings may possibly have been mucked up while myself and others > were > fiddling around trying to find why our sound system stoped working) > > Any advice greatfuly received. > > Chris Kendrick > VPAC > >
