Dark_Hunter
Member
My feed is setting a lot of buzzing and humming while Rxing, are you able to assist me?
In my case the raspberry pi right?in my opinion every scanner needs a ground loop isolator between the scanner and computer,
This what I'm using.It shouldn't if the isolator is a 1:1 transformer with no connection between the windings. Does the isolator have mono or stereo plugs?
in my opinion every scanner needs a ground loop isolator between the scanner and computer,
Still, need some assistance please guys.
https://www.broadcastify.com/listen/feed/28617Can you post a link to your feed so we can hear what kind of buzzing if it's 60 cycles.
Isolations transformers will fix the buzzing if caused by a ground loop condition. A power supply filtering problem can cause humming conditions too and can not be fixed by an isolation transformer. If you have a portable scanner, run it on batteries for a test to see if the buzzing goes away.
Also if you have a multimeter, check between the primary and secondary side don't have any resistance due to a short or miswire.
{edit} Also it's possible you are overdriving the sound input on your device. turn down the scanner audio level to see if the buzzing goes away.
Ok humming and buzzing still there after running on batteries.
Sent from my SM-N950F using Tapatalk
Ok so the Raspberry Pi AC adapter is the official one from them, how would I isolate that?OK, If the AC cable is disconnected from the scanner then you can eliminate a ground loop and power supply filtering problem. The only thing left is the audio cable. Make sure it's shielded and not running parallel to any AC wires.
{edit} I meant the scanner power supply. It still could be the raspberry pi power supply causing the hum
For some reason the audio is excellent when I use the USB sound card and scanner plugged into my computer, there is a bit of hum and buzzing but not much. But when it's on the Pi its another story, what could be the issue?OK, If the AC cable is disconnected from the scanner then you can eliminate a ground loop and power supply filtering problem. The only thing left is the audio cable. Make sure it's shielded and not running parallel to any AC wires.
{edit} I meant the scanner power supply. It still could be the raspberry pi power supply causing the hum
Turns out it is the power supply going into the scanner.OK, If the AC cable is disconnected from the scanner then you can eliminate a ground loop and power supply filtering problem. The only thing left is the audio cable. Make sure it's shielded and not running parallel to any AC wires.
{edit} I meant the scanner power supply. It still could be the raspberry pi power supply causing the hum