Effects of carrier pulse rate and stimulation site on modulation detection by subjects with cochlear implants.

@article{Pfingst2007EffectsOC,
  title={Effects of carrier pulse rate and stimulation site on modulation detection by subjects with cochlear implants.},
  author={Bryan E Pfingst and Li Xu and Catherine Shea Thompson},
  journal={The Journal of the Acoustical Society of America},
  year={2007},
  volume={121 4},
  pages={2236-46}
}
Most modern cochlear-implant speech processors convey speech-envelope information using amplitude-modulated pulse trains. The use of higher-rate carrier pulse trains allows more envelope detail in the signal. However, neural response properties could limit the efficacy of high-rate carriers. This study examined effects of carrier rate and stimulation site, on psychophysical modulation detection thresholds (MDTs). Both of these variables could affect the neural representation of the carrier and… CONTINUE READING

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