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Broadcasting, IEEE Transactions on

Issue 2 • Date April 1967

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Displaying Results 1 - 7 of 7
  • IEEE Transactions on Broadcasting - Table of contents

    Publication Year: 1967 , Page(s): c1
    Save to Project icon | Request Permissions | PDF file iconPDF (216 KB)  
    Freely Available from IEEE
  • IEEE Broadcasting Group

    Publication Year: 1967 , Page(s): c2
    Save to Project icon | Request Permissions | PDF file iconPDF (106 KB)  
    Freely Available from IEEE
  • Multitrack Recording of Reduced Bandwidth TV Signals

    Publication Year: 1967 , Page(s): 41 - 49
    Cited by:  Papers (4)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (1483 KB)  

    The system described here was developed in order to record the pseudorandom scan television signal developed by Deutsch. The objective was to investigate the possibility of recording a 200 kHz video signal on a 1/4 in tape running at 15 in/s. The difficulties which arise in such a task are two-fold: 1) bandwidth limitations of the recorder; and 2) flutter and skew of the recorder. Since a tape recorder at this speed has a bandwidth of about 45 kHz, time-division multiplexing was used to reduce the signal into low-frequency signals. The problem is to reassemble the signals at playback. This is a difficult task since these signals are shifted in time randomly by flutter and skew. Experiments disclose that the skew is linearly distributed across the tape; therefore, by knowing this time shift between two tracks at any instant, the position of the appropriate sample at any other track can be predicted. For skew and flutter compensation purposes two reference signals are recorded on the two outer tracks of the tape. The phaseshift of the reference signals at playback is used as a measure for the skew prediction system for each track. Thus the video signals are sampled at the correct value. In order to reassemble the samples in the correct time sequence, they are stored in analog memory cells. The memory cells are read out with the aid of an oscillator which is in turn synchronized with flutter. The deflection waveforms are also generated synchronous with this oscillator. View full abstract»

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  • Multiplexing Land-Mobile Base Station Signals on the Carrier of an FM Broadcast Station

    Publication Year: 1967 , Page(s): 50 - 56
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (1777 KB)  

    A study was made to determine the feasibility of multiplexing land-mobile base station signals on the carrier of an FM broadcast station. A multiplex system was designed, laboratory tested, and field tested on a commercial FM station. The test results indicated that the system tested was compatible and the subchannel quality was good. View full abstract»

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  • CATV Systems-Design Philosophy and Performance Criteria as the Basis for Specifying Equipment Components

    Publication Year: 1967 , Page(s): 57 - 68
    Cited by:  Papers (4)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (2022 KB)  

    In the past, CATV systems have been designed around existing equipment items such as the 22 dB gain trunk amplifier instead of vice versa, with equipment items designed to meet overall system design philosophy and performance criteria. This paper takes a fresh look at the CATV distribution system design philosophy between the antenna site and the subscriber's TV receiver. With the availability of high-output solid-state CATV amplifiers, different and novel equipment requirements are derived. Signal-to-noise, distortion, and automatic level control are all examined. Resulting equipment designed on this basis results in: 1) improved performance at lower installed cost, and 2) reduced maintenance costs. These specific equipment items are also described. View full abstract»

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  • The Use of Mobile Radio in On-the-Spot News Coverage

    Publication Year: 1967 , Page(s): 68 - 72
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    This paper gives a technical description of RCA's newest Super Fleetfone land-mobile equipment. Factors in system planning and design are considered and explained. Frequency allocation, channels for operation, wave propagation, planning aids, transmitter power, antennas gain, receiver sensitivity, intermodulation, signal levels, audio distortion, and other considerations of importance to the user are discussed. View full abstract»

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  • Information for authors

    Publication Year: 1967 , Page(s): 72a - 72b
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    Freely Available from IEEE

Aims & Scope

IEEE Transactions on Broadcasting covers the field of broadcast technology, including the production, distribution, transmission, and propagation aspects of broadcasting.

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Editor-in-Chief
Yiyan Wu
Communications Research Ctr Canada