howl


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howl

Electronics an unwanted prolonged high-pitched sound produced by a sound-producing system as a result of feedback

howl

[hau̇l]
(engineering acoustics)
Undesirable prolonged sound produced by a radio receiver or audio-frequency amplifier system because of either electric or acoustic feedback.
References in classic literature ?
All at once the wolves began to howl as though the moonlight had had some peculiar effect on them.
He's got a musical ear, and your playing MAKES him howl.
It was a mournful howl, and as Buck held steadily on his way he heard it grow faint and fainter until it was lost in the distance.
Once again he took to wandering in the woods, but the wild brother came no more; and though he listened through long vigils, the mournful howl was never raised.
Buck writhed his lips into the preliminary of a snarl, but sniffed noses with him, Whereupon the old wolf sat down, pointed nose at the moon, and broke out the long wolf howl.
We heard the ravenous creatures howl and yell in the woods as we went several times, and sometimes we fancied we saw some of them; but the snow dazzling our eyes, we were not certain.
They communicated with one another by means of sirenlike howls, running up and down the scale from one note to another.
Here the smell of the roast and broiled, mingling with every breeze, keeps them hovering about the neighborhood; scenting every blast, turning up their noses like hungry hounds, and testifying their pinching hunger by long whining howls and impatient barkings.
And through it all, on moccasined feet, moved Daylight, hell-roaring Burning Daylight, over-spilling with good nature and camaraderie, howling his he-wolf howl and claiming the night as his, bending men's arms down on the bars, performing feats of strength, his bronzed face flushed with drink, his black eyes flashing, clad in overalls and blanket coat, his ear-flaps dangling and his gauntleted mittens swinging from the cord across the shoulders.
Address: HOWL Gallery/Tattoo - 4160 Cleveland Ave, Fort Myers, FL 33901
Robert Kunikoff and Richard Kave of Lee & Associates NYC, along with Victor Menkin, president of Menkin Realty Services, arranged a long-term lease for Howl at the Moon at 240 West 52nd Street.
I offered a howl to her and she raised her nose and howled at the roof.