On 11-11-30 11:36 AM, Micah Sutton wrote: > Audio issues like this can be notorious to track down. The first place I > would look is the capture agent and move up the audio chain from there. > Try turning the capture volumes down and see if this reduces the hum. > Anything higher than about 60% input volume we've found adds a lot of > noise to our recordings. We try to keep the signal going to the agents > high, and capture at a lower volume.
This is called ground hum, and is quite common: http://en.wikipedia.org/wiki/Mains_hum We have it too, and yeah the best bet has been to turn down the recording volume. G > Micah > > On Nov 30, 2011, at 11:19 AM, Steven M Lichti wrote: > >> Hi all, >> >> Are any of you experiencing humming/buzzing on recordings? We can't' >> find the hum or buzz anywhere in the audio system, but on the >> recordings done by MH (on the Linux boxes), we're still getting >> background buzzing. >> >> Are any of you seeing (hearing) this as well? >> >> --Steven. >> >> -- >> Steven Lichti >> Academic Technologies >> Northwestern University >> [email protected] <mailto:[email protected]> >> (847) 467-7805 >> >> >> _______________________________________________ >> Matterhorn-users mailing list >> [email protected] >> <mailto:[email protected]> >> http://lists.opencastproject.org/mailman/listinfo/matterhorn-users > > > > _______________________________________________ > Matterhorn-users mailing list > [email protected] > http://lists.opencastproject.org/mailman/listinfo/matterhorn-users
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