Word: panels
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Dates: during 1970-1979
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...crowded Sirica courtroom was Richard H. Bolt, chairman of Bolt Beranek & Newman Inc., a Massachusetts firm employing acoustics experts. Tall, slender and professorial in manner, he ticked off his credentials, including long service as a physics professor at both M.I.T. and the University of Illinois. He noted that the panel had first assembled last Nov. 17 in Washington...
...Executive Office Building to agree on their procedures. "I've done almost nothing else for two months," he said, estimating that the panel had spent up to 300 man-days examining the tape variously in Manhattan, Cambridge, Salt Lake City, New Haven, Murray Hill, N.J., and Los Gatos, Calif. They were supplied with the now-celebrated Uher 5000 tape recorder used by Rose Mary Woods for transcribing subpoenaed tapes, another White House Uher recorder for comparison, as well as Miss Woods' lamp and typewriter...
Picking up a pointer, Bolt explained a large chart that presented the panel's findings in graphic form. A principal technique used in arriving at their conclusions, he noted, was to develop the tape "in a sense that you develop a picture." A fluid containing magnetically sensitized particles was rubbed over the tape. The particles arranged themselves in conformity to magnetic imprints previously induced on the tape by electronic signals in the original recording and erasing processes. Thus the imprints could be seen with the naked eye and photographed. Bolt also noted that the signals had been analyzed by oscilloscope...
Another major conclusion of the panel was that the 18-minute section of tape "probably contained speech originally." The evidence for this is that the scientists found three tiny "windows" on the tape?minute sections in which the buzz did not appear. Although undetectable by an untrained ear, they found in each of the windows "a fragment of speechlike sound lasting less than one second." These sections apparently were missed by the erase head in the multiple manipulations of whoever tampered with the tape. Bolt explained that the assumption that speech underlies the entire buzz is basically "a statistical argument...
...Clair interrupted Expert Weiss at midsentence in one answer with a curt, "Thank you." Objected Ben-Veniste: "This is a joint panel here and these experts should not be cut off." Sirica sustained the prosecutor. St. Clair, in turn, objected vigorously when Ben-Veniste tried to get one of the technicians to declare flatly that the erasure was "deliberate." Although the report leads to that inescapable conclusion, none of the experts would put it that bluntly. Sirica complained, "That's what I want to know." The best Ben-Veniste could get was Bolt's concession that...