文章摘要
梁之安,邵殿华,罗维之.听觉辨别阈的测定[J].声学技术,1997,(2):49~52
听觉辨别阈的测定
Measurement of auditory discriminating thresholds
投稿时间:1996-09-23  
DOI:
中文关键词: 
英文关键词: 
基金项目:
作者单位
梁之安 中国科学院上海生理研究所, 上海 200031 
邵殿华 中国科学院上海生理研究所, 上海 200031 
罗维之 中国科学院上海生理研究所, 上海 200031 
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中文摘要:
      本工作用一种结构简单操作方便的新型调频调幅调相声刺激器,准确地在人(用心理物理方法)和豚鼠(用电生理方法)测定了听觉的频率辨别阈(Δf)、强度辨别阈(ΔI)和相位辨别阈(Δφ).在听力正常的受试者,测得的Δf为1.3±0.6pps(pulsespersec.以下同,编者注),ΔI为0.4±0.2dB,Δφ为0.9±0.3°。在听力正常的豚鼠,它们相应为2.5±1.1pps,0.5±0.2dB和1.2±0.5°。文中详细地介绍了所用刺激器的设计及工作原理。
英文摘要:
      With a newly designed FM/AM/φM sound stimulator, accurate measurements of auditory discriminating thresholds of frequency (Δf), intensity (ΔI) and phase (Δφ) were performed psychophysically in humans and electrophysiologically in guinea pigs. For normal hearing human subjects, the measured thresholds amount to 1.3±0.6 pps for Δf,0.4±0.2dB for ΔI,and 0.9±0.3° for Δφ For normal hearing guinea pigs, they are 2.5±1.1pps, 0.5±0.2 dB and 1.2±0.5°, correspondingly. The designed stimulator is simple in construction and easy to manipulate and the operating principles are described in details.
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