Why is my external sound bar producing a loud humming noise only when my cable box is plugged into the television via HDMI, and how do I stop the ground loop buzz today?
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Why is my external sound bar producing a loud humming noise only when my cable box is plugged into the television via HDMI, and how do I stop the ground loop buzz today?
1 real search · 1 real-search pass
ground loop hum cable box HDMI TV soundbar coaxial cable ground isolator safety troubleshootingGoogle ↗
OBSERVED
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Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
Classifying 1 queries…
Searches and sources
ChatGPT1 real searches · gpt-6
ground loop hum cable box HDMI TV soundbar coaxial cable ground isolator safety troubleshooting Google ↗
- Humming, buzzing or rattling noise heard from product · support.bose.ca
- Humming, buzzing or rattling noise heard from product | Bose Solo 15 Series II TV sound system | Bose Solo 15 Series II TV sound system · support.bose.com
- Hum or Buzz from Ground Loops · help.neumann.com
- Finding and Fixing Ground Loops in AV Systems · ecmweb.com
- UNDERSTANDING, FINDING, & · mharding.net