I come here seeking some help. I have experimented since Covid on various streaming setups. We initially used the listener devices, and some wards are still using this. But as a Stake Clerk, I am getting complaints each conference that the audio isn't great. I keep going back to the drawing board trying to figure out what is wrong and how to correct it.But I am not an audiophile.
Our Stake Center is setup with a cieling mounted camera that runs a cable to the other end of the building where our Library AV closet is. (Needless to say, I got my steps in doing all of these tests) The audio is also accessed in this closet and has an RCA connection. (See video at :06) We run our streams from this location and use OBSstudio to cast to YouTube.
To try and show what is happening, I created this video:
https://youtu.be/iC9164BM7ek of the different tests I have run. In my tests, it seems that using the RCA cable to the Ground Loop Noise Isolator to the laptop using Line In as the input works the best. However, you can see in the last chapter at 6:25, the mic cuts out if I'm not talking. This wouldn't be good if there was a piano solo. I also saw this happen at the very first test with the organ.
Right now, it seems to get good voice quality without the humming, I need to use the Ground Loop Noise Isolator. But musical performances will be a problem. I suppose I can split the audio and setup 2 different audio sources in OBS to switch between using the noise reducer and not using it, but the music will also suffer from the hum/buzzing that comes through without the Ground Loop Noise Isolator.
Do I have a ground issue? If you go to 1:48, you can hear th buzzing/humming that is being broadcast.
Thanks for any expertise you can provide.
0:00 - Setup
0:08 - First Test: RCA to Noise Reducer to Computer using Line In. Audio goes in and out if not speaking on mic. Buzzing at the end.
1:32 Test 2: Using the EJ-8 Crab box - Terrible
1:48 Test 3: Split Y RCA to Blue Headset Buddy. Computer set to receive audio as a headset
2:05 Test 4: Split Y RCA to Laptop selecting Line In
2:18 Test 5: Single RCA to Laptop selectin Line In
2:33 Test 6: Single RCA to Ground Loop Noise Isolator selecting Line in on Laptop
2:57 Test 7: Single RCA to Blue Headset Buddy to Laptop selecting Headset on the laptop
3:10 Test 8: Single RCA to Ground Loop Noise Isolator to Blue Headset Buddy to Laptop selecting Headset on Laptop
3:30 Test 9: Single RCA to Ground Loop Noise Isolator to Blue Headset Buddy to USB Sound Card Headset Port
3:52 Test 10: Single RCA to Ground Loop Noise Isolator to Laptop with Line In Selected
4:12 Same as Test 10. Showing that the audio is cutting out if not speaking in the mic. Ground Loop Noise Isolator is behaving like a noise cancellation device.
5:16 Test 11: RCA to Blue Headset Buddy to HDMI USB adapter
5:52 Test 12: Single RCA to HDMI USB Adapter
5:50 Test 13: Single RCA to Ground Loop Noise Isolator to HDMI USB Adapter
6:04 Test 14: Single RCA to Ground Loop Noise Isolator to HDMI USB Adapter with mic sensitivity dropped to 30%
6:25 Test 15: Single RCA to Ground Loop Noise Isolator to Laptop selecting Line-In. Audio seems to cut out playing piano if I don't talk.