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IRE Transactions on Audio

Issue 4 • July-August 1962

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  • [Front cover and table of contents]

    Publication Year: 1962, Page(s): 0
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  • Message from the new chairman

    Publication Year: 1962, Page(s): 91
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  • The editor's corner

    Publication Year: 1962, Page(s): 92
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  • PGA news

    Publication Year: 1962, Page(s):93 - 94
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  • A system of electrostatic recording

    Publication Year: 1962, Page(s):95 - 98
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (326 KB)

    A new system of electrostatic recording in which electrical charges corresponding to the signal are injected into a thin insulating tape record has been investigated. The recorded charge pattern is produced by the application of ac or dc bias potentials to the recording electrodes, in addition to the signal voltage, and subsequently stabilized by treating the tape surface with ions to neutralize e... View full abstract»

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  • High-impedance drive for the elimination of crossover distortion

    Publication Year: 1962, Page(s):99 - 105
    Cited by:  Papers (2)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (936 KB)

    Crossover distortion in a class B transistor power amplifier can be greatly reduced by driving the output stage from a high-impedance source. Doing this capitalizes upon the fact that the current-to-current gain characteristic of a class B stage is much more linear in the crossover region than the voltage-to-current gain. High-impedance drive can be most easily applied to a complementary output st... View full abstract»

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  • Electro-pneumatic air modulator for fog signals

    Publication Year: 1962, Page(s):105 - 108
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (797 KB)

    This paper describes a highly-directional electropneumatic loudspeaker system capable of radiating any type of warning signal in the 100-1000 cps range as well as speech. The mechanism of the electropneumatic device is described in detail. Field measurement data on the directional characteristics, maximum range, and the effect of wind, which we gathered on tests performed at Point Montara, Calif.,... View full abstract»

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  • Stereophonic frequency test record for automatic pickup testing

    Publication Year: 1962, Page(s):109 - 112
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (390 KB)

    The recently issued CBS STR-100 stereophonic test record enables the user to make a rapid and accurate assessment of phonograph pickup characteristics. An important feature of the record is the synchronized sweep frequency bands which are used in conjunction with a level recorder to obtain an automatic plot frequency response and crosstalk in a fraction of the time previously required. A synchroni... View full abstract»

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  • Drop-outs in instrumentation magnetic-tape recording systems

    Publication Year: 1962, Page(s):112 - 120
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1041 KB)

    A method of measuring drop-outs from magnetic-tape recording systems has been designed and built so that quantitative data can be quickly obtained from any tape on any machine and under any condition. Conclusions are made as to the relative effects of tape, machines, reels, recording processes, reproducing processes, environmental dirt, tensions, etc., on the drop-out count. It has been found that... View full abstract»

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  • [Back cover]

    Publication Year: 1962, Page(s): c4
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Aims & Scope

This Transactions ceased production in 1962. The current retitled publication is IEEE Transactions on Signal Processing.

Full Aims & Scope