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040 |aCaOODSP|beng|erda|cCaOODSP
041 |aeng|bfre
0861 |aCo24-3/1-82-0039E-PDF
1001 |aHancock, Kenneth, |eauthor.
24510|aFinal report of a feasibility study into the use of impairment units and their summation in the evaluation of video distribution systems / |cby: K.E. Hancock, J.N. Barry, C.L. Balko.
264 1|aOttawa, Canada : |bDepartment of Communications, Technology and Systems Research and Development, |cNovember 1982.
300 |a1 online resource (1 volume (various pagings)) : |billustrations, graphs.
336 |atext|btxt|2rdacontent
337 |acomputer|bc|2rdamedia
338 |aonline resource|bcr|2rdacarrier
4901 |aDOC contractor report ; |vDOC-CR-TS-82-0039
500 |a"Unclassified."
500 |a"Department of Supply and Services Contract no: 1ST82-00095."
500 |aDigitized copy from print [produced by Innovation, Science and Economic Development Canada].
504 |aIncludes bibliographical references.
520 |a"Any video distribution system is subject to impairments of the information being distributed. In practice the technical quality of such a distribution system is determined by first specifying acceptable levels for each impairment of interest, and then measuring the impairments of the actual system against such specifications. Weaknesses of this traditional approach include the fact that the technical measurements have no provision to ensure specific correlation with the transmission of a satisfactory video display to the viewer, and the fact that there is little or no correlation between the individual parameters specified. Viewers of course see an image in which all impairments are present to a greater or lesser extent, and the acceptability of the image is determined by the combined effect of all impairments"--Summary, page ii.
546 |aText in English with some text also in French.
650 0|aTelevision|xInterference.
650 0|aTelevision|xPicture quality|xEvaluation.
650 6|aTélévision|xBrouillage.
650 6|aTélévision|xQualité de l'image|xÉvaluation.
7101 |aCanada. |bDepartment of Communications, |eissuing body.
830#0|aDOC contractor report (Canada. Department of Communications)|vDOC-CR-TS-82-0039.|w(CaOODSP)9.869864
85640|qPDF|s8.92 MB|uhttps://publications.gc.ca/collections/collection_2020/isde-ised/Co24/Co24-3-1-82-0039-eng.pdf