Description of nontime-buffered Improved-Gray-Scale PCM compression system, which was evaluated by scanning slides, digitizing resultant video signal to six-bit accuracy, processing digitized signal, converting it to analog form, and displaying it for photographic reproduction; evaluation of Coarse-Fine PCM system (nontime-buffered) indicates possible two-to-one saving with no degradation; systems using time buffering techniques offer bandwidth reductions of as much as four-to-one, and hybrid systems using nontime and time-buffered techniques offer compressions up to six-to-one with possibilities of approaching ten-to-one for average complexity pictures.


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    Titel :

    Digital TV bandwidth reduction techniques as applied to spacecraft television


    Weitere Titelangaben:

    J Spacecraft Rockets


    Beteiligte:
    Whelan, J.W. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1966


    Format / Umfang :

    7 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :