hum

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hum

Electronics an undesired low-frequency noise in the output of an amplifier or receiver, esp one caused by the power supply

Hum

 

the name given during the Middle Ages to the region between Dubrovnik and the Neretva River. The earliest surviving reference to Hum dates from the 10th century and describes the region as subject to the Serbian prince Mihajlo Višević. Late in that century the region became part of Samuil’s state, and in 1018 it fell under Byzantine control. Hum became part of Zeta in the second half of the 11th century, part of the Nemanja state in the late 12th century, and part of Bosnia in the 1320’s. Duke (herceg) Stepan Vukčić took control of Hum in the 1440’s. The duke’s dominions, of which Hum constituted a major part, became known as Hercegovina in the mid-15th century.

hum

[həm]
(electricity)
A sound produced by an iron core of a transformer due to loose laminations or magnetostrictive effects; the frequency of the sound is twice the power line frequency.
(electronics)
An electrical disturbance occurring at the power supply frequency or its harmonics, usually 60 or 120 hertz in the United States.
References in periodicals archive ?
Flashpoint's music is a raw mixture of punk, metal and hardcore, with songs full of driving rhythms, hummable melodies, and lyrics that ring true.
And there are few hummable tunes throughout the show, save for perhaps Come Follow the Band.
The production is somewhat lop-sided - Act I a stretched-out hour, Act III a frantic, borderline chaotic 30 minutes - but Dick Bird's sets are top-drawer and Carl Davis's cinematic score an instantly hummable triumph.
Cowley hasn't lost his knack for finding catchy, hummable melodies, and his band is so closely in tune with everything he does, that it all works like a well-oiled machine.
For example, Hey Now Morris Fader's video for the lovely song "Last to Know" is pretty hummable, as one's come to expect, and the bluesy "Government Cheese" from Dr.
One thing you can count on from Malo, though, is plenty of hummable melodies
Off-kilter rhythms and child-like vocal hooks abound, but despite these consciously leftf-ield reference points, a hummable melody or inviting horn section is never far away.
Listen out for the hummable Give Me What I Want on a radio near you.
They have the Kittens' clever hooks and hummable tunes but tackle more serious subjects like going to war and losing a loved one.
Not surprisingly, they are excited about staging a show brimming with hummable songs and with plenty of roles for a busy society.
Miss Saigon may not have the hummable tunes of the Lloyd Webber rivals or the stirring emotion and drama of the Saigon stable's other major hit, Les Miserables, but it had plenty of sex, seediness, soldiers and showgirls.
He approaches songwriting with the classics in mind, and in performance delivers his immediately hummable tunes with crunching guitar-glory and passion.