Department of Speech, Language, Hearing Sciences, University of Colorado, Boulder, Colorado 80309, USA.
Int J Audiol. 2011 Mar;50(3):177-90. doi: 10.3109/14992027.2010.539273.
The purpose of this study was to determine the relative impact of different forms of hearing aid signal processing on quality ratings of music.
Music quality was assessed using a rating scale for three types of music: orchestral classical music, jazz instrumental, and a female vocalist. The music stimuli were subjected to a wide range of simulated hearing aid processing conditions including, (1) noise and nonlinear processing, (2) linear filtering, and (3) combinations of noise, nonlinear, and linear filtering.
Quality ratings were measured in a group of 19 listeners with normal hearing and a group of 15 listeners with sensorineural hearing impairment.
Quality ratings in both groups were generally comparable, were reliable across test sessions, were impacted more by noise and nonlinear signal processing than by linear filtering, and were significantly affected by the genre of music.
The average quality ratings for music were reasonably well predicted by the hearing aid speech quality index (HASQI), but additional work is needed to optimize the index to the wide range of music genres and processing conditions included in this study.
本研究旨在确定不同形式的助听器信号处理对音乐质量评价的相对影响。
使用三种音乐类型的评分量表评估音乐质量：管弦乐古典音乐、爵士器乐和女歌手演唱。音乐刺激经历了广泛的模拟助听器处理条件，包括（1）噪声和非线性处理、（2）线性滤波以及（3）噪声、非线性和线性滤波的组合。
在一组 19 名听力正常的听众和一组 15 名感音神经性听力障碍的听众中测量了质量评分。
两组的质量评分通常相当可比，在测试过程中具有可靠性，受噪声和非线性信号处理的影响大于线性滤波，并且受到音乐类型的显著影响。
音乐的平均质量评分可由助听器语音质量指数（HASQI）合理预测，但需要进一步工作来优化该指数，以适应本研究中包括的广泛音乐类型和处理条件。
