Signal uncertainty and psychometric functions in profile analysis.

@article{Raney1989SignalUA,
  title={Signal uncertainty and psychometric functions in profile analysis.},
  author={J J Raney and Virginia M. Richards and Z A Onsan and David M. Green},
  journal={The Journal of the Acoustical Society of America},
  year={1989},
  volume={86 3},
  pages={954-60}
}
Experiment 1 was conducted to compare the effects of signal frequency uncertainty on the detection of a change in spectral shape and on the detection of a tone in wideband noise. Results indicate that for both tasks the uncertainty effect was small, being on average about 3 dB. In a second experiment, psychometric functions were measured for the detection of changes in the spectral shape of multicomponent complexes. Psychometric functions for profile tasks have a 25-dB range and are similar to… CONTINUE READING

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