PDF(Pubmed)
Abstract：
The aim of the study was to compare the acoustic characteristics of voice between Auditory Brainstem Implantees, Cochlear Implantees and normal hearing children. Voice parameters such as fundamental frequency, formant frequencies, perturbation measures, and harmonic to noise ratio were measured in a total of 30 children out of which 10 were Auditory Brainstem Implantees, 10 were Cochlear Implantees and 10 were normal hearing children. Parametric and nonparametric statistics were done to establish the nature of significance between the three groups. Overall deviancies were seen in the implanted group for all acoustic parameters. However abnormal deviations were seen in individuals with Auditory Brainstem Implants indicating the deficit in the feedback loop impacting the voice characteristics. The deviancy in feedback could attribute to the poor performance in ABI and CI. The CI performed comparatively better when compared to the ABI group indicating a slight feedback loop due to the type of Implant. However, there needs to be additional evidence supporting this and there is a need to carry out the same study using a larger sample size and a longitudinal design.
摘要：
该研究的目的是比较听性脑干植入物之间的声音声学特征，耳蜗植入者和正常听力儿童。基本频率等语音参数，共振峰频率,扰动措施，测量了总共30名儿童的谐波噪声比，其中10名是听觉脑干缺损，10名是人工耳蜗植入者，10名是听力正常的儿童。进行了参数和非参数统计以确定三组之间的显着性。在所有声学参数的植入组中观察到总体偏差。然而，在具有听觉脑干植入物的个体中发现了异常偏差，表明反馈回路中的缺陷会影响语音特征。反馈的偏差可能归因于ABI和CI的表现不佳。与ABI组相比，TheCI的表现相对更好，这表明由于植入物的类型而产生了轻微的反馈回路。然而,需要有更多的证据支持这一点,并且需要使用更大的样本量和纵向设计进行相同的研究.
