Heinl radio business letter (July-Dec 1946)

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He ini Radio News Service 9/11/46 of listeneing was "a disillusion". In "Midsummer Night* s Dream" the individual violin parts and the brief solos for flute stood out magnificently, and it was easy to distinguish where the various instruments in the orchestra were placed. The music, instead of be¬ ing "flat", acquired depth what one critic called "Three-dimen¬ sional music". Moreoever, although the volume of the music was so large that with a single receiver set the noise inside the room would have been unbearable, the stereophonic music remained trans¬ parent and clear. When the experimental program was over and the reviewers listened in on an ordinary music program, one critic said (according to the Dutch agency quoted): "This makes you think of a movie in which the music has suddenly stopped." XXXXXXXXXX POSTWAR COMMUNICATIONS PROCRESS AS SEEN BY U.S. EXPERT E. C. Shaffer, Communications Engineer, Office of Internnational Trade in the Commerce Department, was asked to discuss some of the latest improvements that have come out of the war, by Ruth C. Leslie of Office of Domestic Commerce in the September issue of Domestic Commerce published by Department of Commerce. Mr. Shaffer’s observations were, in part, as follows: Standardtype radio receivers are in demand at the present time to alleviate the backlog built up during the war period. With the expansion of frequency modulation broadcast use, reception will have less static and be clearer. Production of FM receivers by the leading manufacturers is expected to soon exceed the present output of conventional receivers. Home receivers now include the necessary attachments for phonograph record playing. The playing of records automatically whether one or several are to be played is an outstanding feature of phono graphradios today. Record-inthe-slot phono graphradios are now being manufactured. Insertion of the record starts the play¬ ing mechanism. Radar was a safety device during the war; it can be har¬ nessed to provide innumerable accessories to our peace time lives. There is a vast field for expansion of radar as yet only dimly realized. At present, air fields use radar equipment for safe de¬ parture and landing of aircraft even in foggy and inclement weather. This means safety and less time lost because of grounded planes. Ferry boats are using radar to facilitate the delivery of passengers and commodities across fog and. rain-swept waters, thus preventing mishaps. The use of radar on steamships on the Great Lakes, as well as on ocean-going vessels, reduces the risks of collision with other vessels, icebergs, and other hazards. 7