Back in the days when radio was powered by analog circuits, noise was usually considered a bad thing. Along with distortion and frequency response, it was measured as part of a station's annual proof-of-performance, and eliminated at every opportunity. But there are times when noise can be put to good use. As a test signal, noise can be used to analyze room acoustics, do a rapid frequency response assessment, and tune up audio processors. Since noise has energy present in all frequencies at all times, it can be used to rapidly assess frequency response.
Topics: Vintage Audio Technology
Those of us of a certain age fondly remember entertainment from the pre-computer days, a time when amusement parks, convenience stores and other entertainment establishments did not have video games, computerized entertainment centers or full-wall videos – no, we had pinball: bright, flashing, noisy, shiny electro-mechanical pinball machines. Magic devices that consumed both hours and quarters like a pro wrestler consumes breakfast; many of us spent too much time to count in front of these machines, until our empty stomachs, stiff legs or sore hands commanded us to quit.
Topics: NAB Las Vegas
The NAB show – six days of people-packed, full-tilt multimedia mayhem that takes sensory overload to the next level. If this annual experience leaves you feeling a bit shell-shocked, relief may be closer than you think. The Donald H. Baepler Xeric Garden at UNLV isn't on any of the tour maps, but offers a quiet commute with nature in the midst of the turmoil that is Las Vegas.
Topics: NAB Las Vegas
Ask anyone what they think of first when they hear “Las Vegas” and they’re likely to mention the retina-searing lights of the famous Vegas strip, the dazzling casinos, the over-the-top luxury hotels, the glitzy shows, and if they’re old enough, maybe even the Rat Pack at The Sands.
This installment of Found in the Attic is a twofer. It features a genre of consumer electronics that is rapidly disappearing from the store shelves: the clock radio. As millennials enter the consumer market in larger numbers, sales of clock radios decline. Why? They use the alarm function built into their smartphones, and have no need or interest in purchasing an additional item.
Topics: Vintage Electronics