Word: echoed
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...acclimatize their stars to thin air. The Russians are practicing in Mexico, the French team is going through its paces in the Pyrenees and the West Germans are heading for a training camp in Flagstaff, Ariz. It appears that there is little to worry about. Last week at Echo Summit, Calif, (alt. 7,377 ft.), where U.S. hopefuls battled it out in the final Olympic trials, track and field men put on a startling display of record breaking...
Clocking the Signal. Celestial radar mapping is based on the same radio-echo techniques used in plane spotting and ship navigation. But bouncing radar waves off planets requires far more power and precision. For the Venus experiment, the Goldstone installation operated at 100,000 watts, twice the power of the largest U.S. commercial radio stations. When the signals came back 41 minutes later, they measured just a tiny fraction of a watt...
Determining the other coordinate is a more complicated matter of listening for a so-called Doppler shift in frequency. If the echo comes from the side of the planet spinning toward Earth, it will rise in frequency, just as the whistle of an approaching train seems to move up in pitch. If the reflection comes from the side rotating away from Earth, it will go down in frequency...
JOHNNY CASH AT FOLSOM PRISON (Columbia). Ex-Con Cash recorded these songs at California's Folsom Prison, and the echo of prisoners' applause against concrete walls adds a bitter and powerful background. A guard's announcement that "88419 is wanted in Reception" serves as sharp counterpoint to such lyrics as "The newspapers called it a jailbreak plan,/ But I know it was suicide." Most chilling song: 25 Minutes to Go, a swinging minute-by-minute account of an execution by hanging. In its own way, a sad, brilliant album...
...most common method of rechanneling is to break down the original single track into a left track that emphasizes high frequencies and a right track that emphasizes the lows, then add reverberation. Electronic filters are used for the first operation, echo chambers for the second. The assumption is that most orchestras have the high instruments on the left and the deeper ones on the right, and that the left-right rechanneling will thus accomplish a sense of directionality, spread and depth. Of course, some orchestras are not arranged that way. Worse, the bass line is often muddied in the filtering...