Effects of Stimulus Bandwidth on Listener Judgments of Vocal Loudness and Effort
作者:
John F. Brandt,
期刊:
The Journal of the Acoustical Society of America
(AIP Available online 1972)
卷期:
Volume 52,
issue 2B
页码: 705-707
ISSN:0001-4966
年代: 1972
DOI:10.1121/1.1913163
出版商: Acoustical Society of America
数据来源: AIP
摘要:
The direct magnitude‐estimation scaling technique was used to investigate listener perception of vocal loudness and vocal effort of a continuous speech sample. Three experimental conditions were developed that represented (1) normal changes in loudness and effort; (2) intensity held constant and effort varied; and (3) intensity varied and effort held constant. The experiment was conducted twice, once with all stimuli low‐pass filtered below 2000 Hz and once unfiltered. The speech samples were judged by five normal‐hearing listeners on the magnitudes of loudness and of the amount of effort used by the speaker during phonation. Exponents of the loudness and effort functions suggested that vocal loudness and effort were different percepts of the listener. A likely cue that listeners use in perceiving vocal effort was suggested to be the change in the speaker's fundamental frequency concomitant with increases vocal effort.
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