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MICROPHONE TRANSFORMS SLOVENLY SPEECH OF SENATORS
Senator Henry F. Ashurst, recently defeated for reelec¬ tion from Arizona, one of the Senate’s greatest orators, paid his respects to the microphone as follows:
HThe microphone forever pushed in front of the modern Cicero by newsreel, radio, and public-address men may even nour¬ ish the old art of moving speech”, Senator Ashurst is quoted as saying. "The microphone has transformed many men of sloppy, snippy, slovenly speech into superb speakers. In the past 15 years it has made scores of thousands of excellent speakers.
"The microphone has seemed to eliminate those great banes of public speaking overtone and overstatement.
"Superlatives in speech are usually evidences of a weary man or sometimes of an indolent man who does not seek a more nearly exact medium of expression.
"I’ve long cultivated flaming, brilliant, rotund, gorgeous sentences", he explained. "But I would advise speakers of this era to use short, lance-like sentences. "
This new hard-hitting manner is called forth, he explain¬ ed, by the demands of the microphone, the need for simply put speech.
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ARMSTRONG RECEIVES FM PATENT
Dr. Edwin H. Armstrong, originator of present-day FM (frequency modulation) broadcasting, has received a patent (No. 2,215,284) for an improved method of FM transmission and reception which is claimed to give extremely high fidelity.
The new system, as described in the patent, permits trans¬ mission of the lowest to the highest pitched audible sounds, cover¬ ing the entire audible range from thirty to 16,000 cycles. Presentday radios operating on amplitude-modulated radio waves cover but half this range, the patent states.
In Dr. Armstrong’s new method of FM broadcasting and rec¬ eption the high-frequency sounds of the broadcasting band are amplified many times more than the low-frequency sounds. Then the frequency of the wave to be broadcast is varied by the amplified currents. This produces a wide band of frequency variations. This wave is broadcast and when picked up at the receiver is amplified. The amplified currents are passed through a detecting device, where the frequency variations are converted into a band of currents of variable amplitudes. By this conversion distortions which would produce noises are suppressed. When both low-pitched and highpitched sounds are reproduced, free from distorting noises, they go into the microphone at the transmitter.
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