The hum that only a few can perceive: Potential sources of a low-frequency sound

Some people occasionally hear a low buzzing or humming sound that doesn't have a clear source. An estimated 2–4% of the world ...

Scientists May Have Finally Solved the Mystery of the Strange Hum Heard Around the World

A mysterious low-frequency sound known as The Hum has been reported around the world for decades, leaving researchers ...

Two Percent of Humans Hear 'The Hum.' What Is It?

Do you occasionally hear a low buzzing or humming sound that doesn’t have a clear source? Then you’re among the estimated 2-4 ...
Daily Mail on MSN

Millions of people hear a constant hum they can't explain - now scientists know why

If you're constantly plagued by a bizarre humming noise, scientists now have an explanation for it.
Ars Technica

low hum coming from computer speakers

I've been working on this all weekend and I can't figure it out. Here's the setup and problem - I have a Creative Z2 Platinum sound card, a Viewsonic N6 video processor, and set of Klipsch 2.1 Pro ...
Ars Technica

Low level hum in my Promedia GMX 2.1 speakers

I got these speakers yesterday for my computer and hooked them up. They sound fantastic when there's something going through them, but when not in use or even turned off, they emit a buzzing noise.