Optimum presentation of frequency-response data on a 'scope screen requires a special form of a-f signal generator. Circuit details of such an instrument are outlined by the author.
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How proper use of feedback improves lateral-type recorders.
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A discussion of the general effect of the presence of longitudinal noise on a transmission circuit, with a description of the differences between metallic circuit noise and longitudinal noise. Test circuits and representative conditions are illustrated and discussed.
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A discussion of the general effect of the presence of longitudinal noise on a transmission circuit, with a description of the differences between metallic circuit noise and longitudinal noise. Test circuits and representative conditions are illustrated and discussed.
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On May 9th a paper on the heated stylus recording technique, using the Fairchild Thermostylus System, was delivered to the New York Section of the Audio Engineering Society. The speaker was Theodore Lindenberg, Engineer in Charge of the Disc division of the Fairchild Recording Equipment Corporation. Some of the highlights of the question and answer period that followed the talk are given here.
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A thorough knowledge of the characteristics of diamonds is required in the preparation of phonograph styli. The authors show photographs which compare wear of different stylus materials.
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A discussion of the development and application of program-controlled circuits in broadcasting, with a description of a general-purpose AAGC amplifier in regular use.
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A discussion of the development and application of program-controlled circuits in broadcasting, with a description of a general-purpose AAGC amplifier in regular use.
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A discussion of a variety of problems that arise in the installation of these systems in large halls.
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Based on the premise that the proper approach to the problem of equalizing disc recordings and transcriptions is to standardize on a playback curve and to let the recording engineers make their records however they see fit, knowing that they must sound properly balanced when played on this standard reproducing characteristic, the Audio Engineering Society announces the adoption of such a curve.
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