Intelligibility of vowels altered in duration and frequency.

@article{Daniloff1968IntelligibilityOV,
  title={Intelligibility of vowels altered in duration and frequency.},
  author={Raymond G. Daniloff and Thomas H. Shriner and W. R. Zemlin},
  journal={The Journal of the Acoustical Society of America},
  year={1968},
  volume={44 3},
  pages={
          700-7
        }
}
This study was conducted to examine the differential effects upon vowel intelligibility of various degrees of time compression (TC) and frequency division (FD), with and without time restoration. A male speaker and a female speaker were used. For a given percentage of distortion, FD degrades vowel intelligibility more severely than TC. Restoring time to normal for FD speech produced by slow playing via the Fairbanks speech compressor does not enhance intelligibility. Vowel confusions under TC… CONTINUE READING

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Investigation of perceptual constancy in the temporal-envelope domain.

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