Subjective assessment of cable impairments on television picture quality

Author

Jones, Bronwen Lindsay ; Turner, James A.

Volume

38

Issue

4

fYear

1992

fDate

11/1/1992 12:00:00 AM

Firstpage

850

Lastpage

861

Abstract

The subjective assessment of NTSC television pictures that have been subjected to a number of levels of commonly encountered cable-system impairments is discussed. The impairments included random noise, phase noise, microreflections, composite triple beat, and chroma/luma or group delay. The evaluations were performed in controlled-viewing experiments using psychological test methods with both expert and nonexpert viewers. The tests evaluated picture impairments, using the CCIR impairment scale with terms describing a continuum of annoyance. A comparison of the random noise test results with data from earlier similar studies in 1958 and 1983 demonstrates a continuing rise in view expectations for improved picture quality

Keywords

cable television; television interference; CCIR impairment scale; NTSC television pictures; cable-system impairments; chroma/luma delay; composite triple beat; continuum of annoyance; controlled-viewing experiments; expert viewers; group delay; microreflections; nonexpert viewers; phase noise; picture quality; psychological test methods; random noise; subjective assessment; Cable TV; Delay; Design for experiments; Laboratories; Noise level; Phase noise; Psychology; Signal to noise ratio; System testing; TV interference;

fLanguage

English

Journal_Title

Consumer Electronics, IEEE Transactions on

Publisher

ieee

ISSN

0098-3063

Type

jour

DOI

10.1109/30.179975

Filename

179975