Institute for Telecommunication Sciences
the research laboratory of the National Telecommunications and Information Administration

Coleen T. Jones

Abstract: Discusses the method of measurement used to obtain the frequency response or bandwidth values for each of the twenty-five video systems in the T1A1 subjective video experiment. The 25 video systems ranged in bit rate from 64 kb/sec to 45 Mb/sec. The bandwidth was measured using a traditional analog test waveform, in particular, a static zone plate (i.e., a two dimensional swept frequency waveform) that was on the standard video test scene tape.

Keywords: performance; measurements; Video; quality; objective; frequency; bandwidth; conferencing; response; specifications; zone; plate


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Institute for Telecommunication Sciences
(303) 497-3572
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Margaret H. Pinson
Institute for Telecommunication Sciences
(303) 497-3579
mpinson@ntia.doc.gov


Disclaimer: Certain commercial equipment, components, and software may be identified in this report to specify adequately the technical aspects of the reported results. In no case does such identification imply recommendation or endorsement by the National Telecommunications and Information Administration, nor does it imply that the equipment or software identified is necessarily the best available for the particular application or uses.

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