A Study of Factors Influencing the Legibility of Televised Characters

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: Thirty-six volunteer subjects, screened for normal visual acuity, viewed televised displays during a one-hour testing session. There were 232 displays; each consisted of four characters (letters and numbers) of a given size and contrast condition. The study design made it possible to compare visibility across: (1) six viewing distances, (2) three viewing angles, (3) three figure-background contrasts, (4) four character sizes and (5) three time-segments within the testing session. Results indicate that no visual fatigue occurred, that black-on-white and white-on-black contrasts produced about equal visibility, and that characters subtending 10 min of vertical visual angle could be perceived with almost complete accuracy.
Publication Date: 1959-07-01
DOI: 10.5594/J13807
Link: https://doi.org/10.5594/J13807
Author(s): Warren F. Seibert, Duane F. Kasten, James R. Potter

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Warren F. Seibert, Duane F. Kasten, and James R. Potter; A Study of Factors Influencing the Legibility of Televised Characters, Journal of the SMPTE ( Volume: 68, Issue: 7, July 1959); SMPTE, 1959. Available at https://doi.org/10.5594/J13807

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Warren F. Seibert, Duane F. Kasten, and James R. Potter; A Study of Factors Influencing the Legibility of Televised Characters, Journal of the SMPTE ( Volume: 68, Issue: 7, July 1959); SMPTE, 1959. Available at https://doi.org/10.5594/J13807

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<span class="citation">Warren F. Seibert, Duane F. Kasten, and James R. Potter; <cite>A Study of Factors Influencing the Legibility of Televised Characters</cite>, Journal of the SMPTE ( Volume: 68, Issue: 7, July 1959); SMPTE, 1959. Available at <a href="https://doi.org/10.5594/J13807" target="_blank" rel="noopener">https://doi.org/10.5594/J13807</a></span>

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<li>
Warren F. Seibert, Duane F. Kasten, and James R. Potter; <cite id="bib-10-5594-j13807">A Study of Factors Influencing the Legibility of Televised Characters</cite>, Journal of the SMPTE ( Volume: 68, Issue: 7, July 1959); SMPTE, 1959
<span class="doi">10.5594/J13807</span>
</li>