Vibrotactile perception of musical pitch

Vibrotactile perception of musical pitch
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音高的振动触觉感知

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2013
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通讯作者:
S. Maté
S. Maté
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作者:
S. Maté

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以往的振动触觉研究提供了很少或没有明确的结果,歧视和识别的重要音高方面的音乐表演,如相对和绝对音高。在本论文中,心理物理学实验使用的参与者有和没有听力障碍已经进行了确定指尖和脚上的振动触觉检测阈值,以及评估的相对和绝对的振动触觉音高的感知。这些实验研究了振动触觉模式用于音乐表演的可能性和局限性。在C1(32.7Hz)和C6(1046.5Hz)之间的音符范围内,听力正常和重度/极重度听力障碍的参与者的指尖位移方面的平均振动触觉检测阈值之间没有显着差异。这些阈值已被用来确定一个最佳的动态范围的频率加权加速度,以安全地提出振动触觉音乐。假设实际的刺激水平比平均阈值高10 dB,则发现动态范围在从C2到C5的三个倍频程范围内在12和27 dB之间变化。指尖上的结果表明,当考虑阈上水平的振动触觉音高感知时,诸如音符的瞬时和连续部分等时间线索很重要。听力正常的参与者和严重/极重度听力障碍的参与者之间没有显着差异,在使用指尖从C3到C5的振动触觉相对音高的歧视没有训练。对于听力正常的参与者,在训练后测试中,对于使用指尖的4到12个1/2的间隔和使用前脚的3到12个1/2的间隔,正确反应的平均百分比大于70%。训练提高了指尖较大间隔和前脚较小间隔的正确反应。然而,相对音高的歧视,为一个单一的pronoune是困难的,特别是与指尖。训练后,听力正常的受试者在指尖和前脚掌的相对音高辨别能力上有显著提高。然而,识别相对音高和绝对音高的要求要高得多,所使用的训练课程没有显着的效果。
Previous vibrotactile research has provided little or no definitive results on the discrimination and identification of important pitch aspects for musical performance such as relative and absolute pitch. In this thesis, psychophysical experiments using participants with and without hearing impairments have been carried out to determine vibrotactile detection thresholds on the fingertip and foot, as well as assess the perception of relative and absolute vibrotactile musical pitch. These experiments have investigated the possibilities and limitations of the vibrotactile mode for musical performance. Over the range of notes between C1 (32.7Hz) and C6 (1046.5Hz), no significant difference was found between the mean vibrotactile detection thresholds in terms of displacement for the fingertip of participants with normal hearing and with severe/profound hearing impairments. These thresholds have been used to identify an optimum dynamic range in terms of frequency-weighted acceleration to safely present vibrotactile music. Assuming a practical level of stimulation ≈10dB above the mean threshold, the dynamic range was found to vary between 12 and 27dB over the three-octave range from C2 to C5. Results on the fingertip indicated that temporal cues such as the transient and continuous parts of notes are important when considering the perception of vibrotactile pitch at suprathreshold levels. No significant difference was found between participants with normal hearing and with severe/profound hearing impairments in the discrimination of vibrotactile relative pitch from C3 to C5 using the fingertip without training. For participants with normal hearing, the mean percentage of correct responses in the post-training test was greater than 70% for intervals between four and twelve semitones using the fingertip and three to twelve semitones using the forefoot. Training improved the correct responses for larger intervals on fingertips and smaller intervals on forefeet. However, relative pitch discrimination for a single semitone was difficult, particularly with the fingertip. After training, participants with normal hearing significantly improved in the discrimination of relative pitch with the fingertip and forefoot. However, identifying relative and absolute pitch was considerably more demanding and the training sessions that were used had no significant effect.
DOI: 10.1093/geronj/41.6.732
发表时间: 1986-11-01
期刊: JOURNALS OF GERONTOLOGY
影响因子: --
作者:
KENSHALO, DR
通讯作者: KENSHALO, DR
DOI: --
发表时间: 2014
期刊: International Symposium on Performance Science 2013 - European Association of Conservatoires
影响因子: --
作者:
Ginsborg, J
通讯作者: Ginsborg, J
DOI: 10.1152/jn.1982.48.3.836
发表时间: 1982-01-01
影响因子: 2.5
作者:
BOLANOWSKI, SJ;VERRILLO, RT
通讯作者: VERRILLO, RT
通过触觉进行时间发作顺序辨别:频率和刺激部位的影响。
DOI: 10.1121/1.2204452
发表时间: 2006
期刊: The Journal of the Acoustical Society of America
影响因子: --
作者:
Yuan,Hanfeng;Reed,CharlotteM;Durlach,NathanielI
通讯作者: Durlach,NathanielI
DOI: 10.1121/1.397184
发表时间: 1988-11-01
影响因子: 2.4
作者:
BOLANOWSKI, SJ;GESCHEIDER, GA;CHECKOSKY, CM
通讯作者: CHECKOSKY, CM