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3 votes
Accepted

Does DC translate to sound?

Sound is derived from vibrations which in turn are generated or represented by changing current levels. Sound can never be derived from a static voltage or current. Your statement that "DC should ...
Mark's user avatar
  • 8,900
2 votes
Accepted

What is "crosstalk"?

Your assumption is correct - unwanted 'noise' from a nearby signal being heard in the primary mic/track. In short, noise from one source 'talks' loud enough to be heard by another… cross-talk. This is,...
Tetsujin's user avatar
  • 8,701
1 vote

Can wood cause interference?

You describe an "angry buzzing background noise". I'm not sure what sound quality is meant by this. Lower buzzing, more like humming, points towards the possibility of a mechanical cause. ...
philburns's user avatar
  • 311
1 vote

Help understanding sound wave interference from two sources as a function of distance and frequency

Like Tetsujin mention in their comment, the “phenomenon” you witness at the plots of your measurements is called comb-filtering. It can be experienced every single time you sum up two signals with ...
ZaellixA's user avatar
  • 339
1 vote

Help understanding sound wave interference from two sources as a function of distance and frequency

I love this! Finally, a HiFi person that actually measures the most important part of the setup — the room. Keep up that work! Never mind the frequency plot when starting out with treating the room. ...
ghellquist's user avatar
  • 1,624
1 vote

Running long PA speaker cables parallel to AC 120v lines -

Out of personal experience (I work 9 years as a system technician) I would say "you won't have a problem". If you look at it from a "more scientific" point of view the way buzzes (and in general ...
ZaellixA's user avatar
  • 339
1 vote
Accepted

Can metal desk legs cause grounding or interference issues?

If you aren't letting the legs touch the cables and everything is properly terminated then I see no possibility of grounding problems.
Timinycricket's user avatar

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