Sure sounds like a ground loop. An isolation transformer should have solved it (as long as someone didn't try to tie the grounds together.)jsorens6 wrote:I finally figured out a workaround yesterday though! I pulled out one of the hearing assist devices and used the the audio off that to plug straight into the Vidiu unit and the sound is 10,000% better with no hum.
Audio troubleshooting - webcast
-
russellhltn
- Community Administrator
- Posts: 36430
- Joined: Sat Jan 20, 2007 2:53 pm
- Location: U.S.
Re: Audio troubleshooting - webcast
Have you searched the Help Center? Try doing a Google search and adding "site:churchofjesuschrist.org/help" to the search criteria.
So we can better help you, please edit your Profile to include your general location.
So we can better help you, please edit your Profile to include your general location.
-
CalS201
- Member
- Posts: 174
- Joined: Fri Jan 28, 2011 3:59 pm
- Location: Herriman, UT
Re: Audio troubleshooting - webcast
Yup, probably just a ground loop. It happens in many bldgs and has a documented solution in the EmTech AVDH1 commissioning manual (see note #2 in therussellhltn wrote:Sure sounds like a ground loop. An isolation transformer should have solved it (as long as someone didn't try to tie the grounds together.)jsorens6 wrote:I finally figured out a workaround yesterday though! I pulled out one of the hearing assist devices and used the the audio off that to plug straight into the Vidiu unit and the sound is 10,000% better with no hum.
attachment) . The EmTech recommended isolation transformer is an RDL TX-10B, but the TX-1A works as well and have an adjustable level control.
https://www.ebay.com/sch/i.html?_from=R ... a&_sacat=0
In 4 bldgs I've had hum issues with, 3 issues were solved with the transformer and the 4th was just a wiring error.
You do not have the required permissions to view the files attached to this post.