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首页> 中文期刊> 《世界耳鼻咽喉科杂志》 >Word perception in noise at different channels in simulated cochlear implant listeners

Word perception in noise at different channels in simulated cochlear implant listeners

         
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摘要

cqvip:AIM:To find out effect of different signal-to-noise ratios(SNRs) on word perception at different number of channels.METHODS: Thirty participants with normal hearing in the age range of 18-25 years(mean age 23.6 years) were involved in the study. For word perception test, there were 28 key-words embedded in sentences comprises of four lists processed for different channels(4, 8 and 32 channel) using AngelS im program at-5, 0 and +5 SNRs. The recorded stimuli were routed through audiometer connected with computer with CD player and presented in free field condition with speakers kept at 0° azimuth in a sound treated room.RESULTS: Repeated measure ANOVA showed significant main effect across different SNRs at 4 channel, 8 channel and at 32 channel. Further, Bonferroni multiple pairwise comparisons shows significant differences between all the possible combinations(4, 8 and 32 channel) at +5 dB SNR, 0 dB SNR and-5 dB SNR.CONCLUSION: Present study highlights the importance of more number of channels and higher signal to noise ratio for better perception of words in noise in simulated cochlear implantees.

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  • 来源
    《世界耳鼻咽喉科杂志》 |2016年第2期|P.45-49|共5页
  • 作者

    Prawin Kumar; Himanshu Kumar Sanju; Sudhir Kumar; Varun Singh;

  • 作者单位

    Department of Audiology;

    All India Institute of Speech and Hearing;

    Karnataka 570006;

    India;

    Department of Audiology;

    All India Institute of Speech and Hearing;

    Karnataka 570006;

    India;

    Department of Audiology;

    All India Institute of Speech and Hearing;

    Karnataka 570006;

    India;

    Department of Audiology;

    All India Institute of Speech and Hearing;

    Karnataka 570006;

    India;

  • 原文格式 PDF
  • 正文语种 CHI
  • 中图分类 耳鼻咽喉科学;
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